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  • Rega RP10 Turntable (With Cartridge) Rega RP10 Turntable (With Cartridge) Quick View

    $6,695.00
    Buy Now
    x

    Rega RP10 Turntable (With Cartridge)

    40th



    Rega Made


    Have a question about this product? Please email our audio advisor or call 1-877-929-8729 with any questions or concerns regarding your equipment purchase.


    **All Cartridges Installed Free Of Charge**


    Factory Fitted With Apheta 2 Moving Coil Cartridge


    The Rega RP10 skeletal turntable.


    Rega is extremely pleased to announce the launch of the much awaited RP10.


    Rega's design philosophy extends further than ever before with advanced components built around our radical new plinth design. Featuring the brand new RB2000 tonearm, a ceramic flywheel effect platter and the custom RP10 power supply (allowing total control and accuracy over both motor vibration and speed performance) guarantee the highest level of performance from a Rega turntable to date.


    The Evolution of Revolution


    Evolution is a well proven and documented process in many areas of our lives. This applies in particular to design engineers and machines. Over the past forty years our cars have become more reliable and economical whilst we take for granted the reliability and speed of modern aircraft. Rega is no exception to evolution. Rega's experience and previous achievements allow us to continually develop and produce better products.


    The RP10 represents probably the biggest step forward in the evolution of Roy Gandy's turntable design philosophies. Low mass, high rigidity plinths combined with electronically controlled low vibration motors, high flywheel effect platters and lower mass higher stability tonearms.


    RP10 Custom power supply


    Housed in Rega's custom design case is a brand new advanced anti vibration and speed control circuit dedicated to running the 24v low noise motor. The speed and control of the motor is achieved by using a new DSP (digital signal processing) generator built upon a high stability crystal. The device will divide the accurate square wave from the crystal to the exact frequency required to turn the platter at the selected speed. The DSP core will also generate a near perfect sinusoidal waveform to power the motor. Factory set vibration and speed adjustments are then made to the power supply to tune the motor for optimal performance.


    The entire tonearm structure is designed to have the minimum of mechanical joints whilst using the stiffest materials in all critical areas. The tolerance of the RB2000 tonearm is so tight that no adhesive is used at any point throughout the construction. A brand new low mass, precision engineered, vertical bearing assembly has been manufactured to further compliment the inherent design philosophy of the RP10 turntable.


    The RB2000 uses the latest award winning Rega arm tube. Each one which is meticulously hand polished (keeping mass to an absolute minimum) and has been completely redesigned to redistribute mass and further reduce stresses and resonances. This advanced design tube increases the stiffness and rigidity of the overall assembly whilst reducing stress on the bearings even further.


    Magnesium and Phenolic - Dual bracing


    A super lightweight plinth combined with a double brace mounted specifically where the increased rigidity is required (between the tonearm mounting and the main hub bearing) forms a structurally sound "stressed beam" assembly. This design prevents energy absorption and unwanted resonances which will add un-natural distortions to the music. The RP10 takes our double brace technology to the next level. Not content with an unprecedented stiffness to mass ratio, Rega have obsessively reduced any resonant properties by using two different materials for the new stressed beam. The top layer is magnesium and the bottom layer is pheno-lic (two of the lightest and stiffest materials available). Incorporating two different materials into the brace structure lowers their ability to pick up unwanted airborne vibrations. Simply put, different materials have different natural resonances. By using two different materials together they decrease the natural frequency of each other by self damping.


    Super flywheel effect ceramic platter


    The RP10 uses a custom ceramic flywheel effect platter. The platter is produced from ceramic oxide powder which is compressed, fired and diamond cut to ensure perfect accuracy and flatness across the surface. The new platter features a modified construction over the previous P9 version with improved coupling to the sub platter.


    24V Low noise motor


    The motor is a high specification, 24V twin phase synchronous unit. It is controlled by Rega's unique and innovative RP10-PSU power supply. The motor drives the CNC machined pulley, sub platter and hub-bearing assembly via the twin belt drive. Each motor is individually hand tuned to its own custom power supply in the factory to minimise vibration, motor noise and ensure optimum performance.


    Skeletal plinth design with polyolefin foam core


    Controversially Rega has always researched methods of producing light but stiff and rigid plinths. The technology is simple: unwanted noise at microscopic levels is developed by the turntable motor and main bearing. The plinth can also pick up airborne vibration from the music. From the beginning in the 1970's Rega pioneered the use of a stressed skin structure for the plinth. This uses two layers of phenolic resin with a lightweight particle or fibre board sandwiched between the skins. This technique has been used in many applications where stiff, light structures are needed such as an aircraft wing or a Formula 1 chassis.


    The current increase in interest in turntables has allowed Rega to research and develop higher technology structures for the customer who is happy pay a little more for higher sound quality. The all new RP10 turntable utilises a unique new stressed skin structure produced from thin phenolic skins sandwiching a featherweight nitrogen expanded, closed cell, polyolefin foam core. This material has been developed exclusively for Rega over a three year period. The RP10 plinth is 7 times lighter than the weight of the original Planar 3 plinth. Rega has added even more stiffness in the crucial area between the arm and the main bearing.


    De-coupled outer frame and dust cover


    A common problem for many skeletal design turntables is the inability to incorporate an effective dust cover into the design. We have constructed an outer frame that minimises contact between the inner and outer plinth. The only points of contact are three location devices on the feet which centralises the inner and outer plinths perfectly. This makes set-up extremely easy and allows the use of a dust cover. The RP10 can be used without the outer frame if so desired.


    Turntable design & mythology


    Today there are many approaches to Hi-Fi design which follow established and informed engineering or electronic principles. Amplifier and loudspeaker design has been well documented over the years with excellent technical publications. These subjects have been based on tried and tested acoustic criteria and many computer software programs now exist that enable a near amateur to design a passable working loudspeaker based on known acoustic and mathematical parameters.


    Enter turntable design: When it comes to turntable design we are limited to a few poorly informed articles describing only very limited aspects of design. This is a subject full of mythology. Designers propose theories that counter the basic laws of physics, use terminology that doesn't actually exist in the engineering world, build products that are more like beautiful sculptures than acoustic reproduction machines and sell items costing tens of thousands of pounds that hardly function as intended and often fail to work at all.


    For instance a very common myth is "the heavier the better" concept. Turntable bases weighing tens of kilograms are not uncommon. The reality is that the base actually needs to be as light as possible to prevent unwanted bearing and motor noise being transferred to the turntable or record. Platters also fall under a similar myth with many platter designs becoming so heavy that it is impossible to design a correctly functioning bearing (and some so light that anyone can hear the speed inconsistency). The turntable platter itself needs to be of enough weight to spin at a constant speed within the confines of the chosen bearing and motor drive system.


    Many amateur designers in any field choose one component in a design and try to achieve an extreme in size, weight and quality. They believe that by taking one theory to its extreme the design will become "perfect". The reality of all engineering, design (and life) is that perfection is not possible. Based on this reality, Rega's goal has always been to optimise a mixture of numerous "correct compromises" thus bringing the designer nearer to the unachievable goal of perfection.


    >

    Rega Turntables
    $6,695.00
    Rega RP10 - Apheta 2 Cartridge Buy Now
  • Rega RP10 Turntable (No Cartridge) Rega RP10 Turntable (No Cartridge) Quick View

    $5,495.00
    Buy Now
    x

    Rega RP10 Turntable (No Cartridge)

    40th



    Rega Made


    Need help choosing or installing your phono cartridge? Please contact our audio advisor at 1-877-929-8729 with any questions or concerns regarding your equipment purchase.


    **All Cartridges Installed Free Of Charge**


    The Rega RP10 skeletal turntable.


    Rega is extremely pleased to announce the launch of the much awaited RP10.


    Rega's design philosophy extends further than ever before with advanced components built around our radical new plinth design. Featuring the brand new RB2000 tonearm, a ceramic flywheel effect platter and the custom RP10 power supply (allowing total control and accuracy over both motor vibration and speed performance) guarantee the highest level of performance from a Rega turntable to date.


    The RP10 will also be available with its perfect partner, the Apheta moving coil cartridge, factory fitted as a package option.


    The Evolution of Revolution


    Evolution is a well proven and documented process in many areas of our lives. This applies in particular to design engineers and machines. Over the past forty years our cars have become more reliable and economical whilst we take for granted the reliability and speed of modern aircraft. Rega is no exception to evolution. Rega's experience and previous achievements allow us to continually develop and produce better products.


    The RP10 represents probably the biggest step forward in the evolution of Roy Gandy's turntable design philosophies. Low mass, high rigidity plinths combined with electronically controlled low vibration motors, high flywheel effect platters and lower mass higher stability tonearms.


    RP10 Custom power supply


    Housed in Rega's custom design case is a brand new advanced anti vibration and speed control circuit dedicated to running the 24v low noise motor. The speed and control of the motor is achieved by using a new DSP (digital signal processing) generator built upon a high stability crystal. The device will divide the accurate square wave from the crystal to the exact frequency required to turn the platter at the selected speed. The DSP core will also generate a near perfect sinusoidal waveform to power the motor. Factory set vibration and speed adjustments are then made to the power supply to tune the motor for optimal performance.


    The entire tonearm structure is designed to have the minimum of mechanical joints whilst using the stiffest materials in all critical areas. The tolerance of the RB2000 tonearm is so tight that no adhesive is used at any point throughout the construction. A brand new low mass, precision engineered, vertical bearing assembly has been manufactured to further compliment the inherent design philosophy of the RP10 turntable.


    The RB2000 uses the latest award winning Rega arm tube. Each one which is meticulously hand polished (keeping mass to an absolute minimum) and has been completely redesigned to redistribute mass and further reduce stresses and resonances. This advanced design tube increases the stiffness and rigidity of the overall assembly whilst reducing stress on the bearings even further.


    Magnesium and Phenolic - Dual bracing


    A super lightweight plinth combined with a double brace mounted specifically where the increased rigidity is required (between the tonearm mounting and the main hub bearing) forms a structurally sound "stressed beam" assembly. This design prevents energy absorption and unwanted resonances which will add un-natural distortions to the music. The RP10 takes our double brace technology to the next level. Not content with an unprecedented stiffness to mass ratio, Rega have obsessively reduced any resonant properties by using two different materials for the new stressed beam. The top layer is magnesium and the bottom layer is pheno-lic (two of the lightest and stiffest materials available). Incorporating two different materials into the brace structure lowers their ability to pick up unwanted airborne vibrations. Simply put, different materials have different natural resonances. By using two different materials together they decrease the natural frequency of each other by self damping.


    Super flywheel effect ceramic platter


    The RP10 uses a custom ceramic flywheel effect platter. The platter is produced from ceramic oxide powder which is compressed, fired and diamond cut to ensure perfect accuracy and flatness across the surface. The new platter features a modified construction over the previous P9 version with improved coupling to the sub platter.


    24V Low noise motor


    The motor is a high specification, 24V twin phase synchronous unit. It is controlled by Rega's unique and innovative RP10-PSU power supply. The motor drives the CNC machined pulley, sub platter and hub-bearing assembly via the twin belt drive. Each motor is individually hand tuned to its own custom power supply in the factory to minimise vibration, motor noise and ensure optimum performance.


    Skeletal plinth design with polyolefin foam core


    Controversially Rega has always researched methods of producing light but stiff and rigid plinths. The technology is simple: unwanted noise at microscopic levels is developed by the turntable motor and main bearing. The plinth can also pick up airborne vibration from the music. From the beginning in the 1970's Rega pioneered the use of a stressed skin structure for the plinth. This uses two layers of phenolic resin with a lightweight particle or fibre board sandwiched between the skins. This technique has been used in many applications where stiff, light structures are needed such as an aircraft wing or a Formula 1 chassis.


    The current increase in interest in turntables has allowed Rega to research and develop higher technology structures for the customer who is happy pay a little more for higher sound quality. The all new RP10 turntable utilises a unique new stressed skin structure produced from thin phenolic skins sandwiching a featherweight nitrogen expanded, closed cell, polyolefin foam core. This material has been developed exclusively for Rega over a three year period. The RP10 plinth is 7 times lighter than the weight of the original Planar 3 plinth. Rega has added even more stiffness in the crucial area between the arm and the main bearing.


    De-coupled outer frame and dust cover


    A common problem for many skeletal design turntables is the inability to incorporate an effective dust cover into the design. We have constructed an outer frame that minimises contact between the inner and outer plinth. The only points of contact are three location devices on the feet which centralises the inner and outer plinths perfectly. This makes set-up extremely easy and allows the use of a dust cover. The RP10 can be used without the outer frame if so desired.


    Turntable design & mythology


    Today there are many approaches to Hi-Fi design which follow established and informed engineering or electronic principles. Amplifier and loudspeaker design has been well documented over the years with excellent technical publications. These subjects have been based on tried and tested acoustic criteria and many computer software programs now exist that enable a near amateur to design a passable working loudspeaker based on known acoustic and mathematical parameters.


    Enter turntable design: When it comes to turntable design we are limited to a few poorly informed articles describing only very limited aspects of design. This is a subject full of mythology. Designers propose theories that counter the basic laws of physics, use terminology that doesn't actually exist in the engineering world, build products that are more like beautiful sculptures than acoustic reproduction machines and sell items costing tens of thousands of pounds that hardly function as intended and often fail to work at all.


    For instance a very common myth is "the heavier the better" concept. Turntable bases weighing tens of kilograms are not uncommon. The reality is that the base actually needs to be as light as possible to prevent unwanted bearing and motor noise being transferred to the turntable or record. Platters also fall under a similar myth with many platter designs becoming so heavy that it is impossible to design a correctly functioning bearing (and some so light that anyone can hear the speed inconsistency). The turntable platter itself needs to be of enough weight to spin at a constant speed within the confines of the chosen bearing and motor drive system.


    Many amateur designers in any field choose one component in a design and try to achieve an extreme in size, weight and quality. They believe that by taking one theory to its extreme the design will become "perfect". The reality of all engineering, design (and life) is that perfection is not possible. Based on this reality, Rega's goal has always been to optimise a mixture of numerous "correct compromises" thus bringing the designer nearer to the unachievable goal of perfection.


    Rega Turntables
    $5,495.00
    Rega RP10 - No Cartridge Buy Now
  • Rega Ania MC Cartridge Rega Ania MC Cartridge Quick View

    $795.00
    Buy Now
    x

    Rega Ania MC Cartridge

    Have a question about this product? Please email our audio advisor or call 1-877-929-8729 with any questions or concerns regarding your equipment purchase.


    ANIA, REGA'S FIRST FORAY INTO THE WORLD OF BUDGET MC CARTS, IS REVOLUTIONARY JUST LIKE ITS BIG BROTHERS.


    APHETA, A BRIEF HISTORY:


    When Rega first announced the original Apheta in 2006, it changed the way people looked at the design of moving coil cartridges. Crafted without the tie-wire that plagued most every other MC cartridge, Apheta was iconoclastic like many Rega products. It was fast, clear, dynamic and insightful, garnering praise in many quarters of the high-end audio world. In 2015 and 2016, respectively, Rega pushed forward with new designs that brought about the reference Aphelion ($4995) and reborn Apheta 2 ($1895). These two carts are based on the original concepts but with the benefit of almost 10 years of experience and a complete overhaul of the cartridge manufacturing facilities. Now, Rega can build moving coil cartridges with a level of precision, speed, reliability, and height of technology they could only dream about way back when.


    ANIA, MOVING FORWARD:


    Having surmounted the challenge of perfecting the original and expanding their horizons, Rega set their eyes on fashioning a moving coil cartridge for less than half the price of the Apheta 2. Now, your first thought might be there's no way to preserve quality while lowering the price, and if this weren't Rega you might be right. But they are who they are, 40+ year specialists at making things better and more reasonably priced.


    Rega leaned hard on its engineers' expertise and that of their suppliers. The first challenge was to construct a new cartridge body that preserved that benefits and lowered the cost from the aluminum-bodied Apheta 2, a marvel in its own right. Here, computer modeling and expert tool making allowed Rega to build a body from PPS-Fortron, a sophisticated polymer-glass amalgam, that has a complex shape, keeping strength high, mass low, and unwanted resonances to an absolute minimum. The result is simply astonishing.


    Of course, Ania would not be a Rega moving coil if not for its unique tie-wire-less design. The tie-wire was originally conceived as a method to secure the cantilever, but this introduces nasty resonances that have to tuned-out with the undesired after effect of reducing detail and speed, unfortunately. Being the curious types and unwilling to compromise, Rega's engineers sought out a method that eliminates the pesky tie-wire. Thus was born the pivot pad, a rhomboid-shaped device that positively locates the cantilever, adds zero mass, improves strength, and allows free movement so that the stylus can more accurately track the groove. Brilliant!


    The generator of Ania is then formed by a floating iron cross attached to the inner tip of the cantilever, hand-wound with incredibly fine ultra-high purity copper wire. This iron cross is some 50% smaller than the original Apheta, making it one of the smallest, lightest weight generators in the world! These parts, including the high-power neodymium magnet, are borrowed directly from the doubly-priced Apheta 2. An elliptical stylus tops off the lightweight aluminum cantilever, while a CAD-designed plastic case protects the delicate internals from prying fingers and well-meaning feather dusters.


    All in all, the new Rega Ania moving coil cartridge demonstrates precisely what makes Rega great- unique solutions to age-old dilemmas, a commitment to quality, commanding performance, and a reasonable price. Did we mention, it's all still built in the UK?

    Rega Cartridges
    $795.00
    Moving Coil Cartridge Buy Now
  • Rega Isis CD Player Rega Isis CD Player Quick View

    $9,995.00
    Buy Now
    x

    Rega Isis CD Player

    40th


    2010



    Have a question about this product? Please email our audio advisor or call 1-877-929-8729 with any questions or concerns regarding your equipment purchase.


    Introducing the Rega ISIS flagship CD player


    We are very proud to introduce the 7th generation of Rega CD player.


    A product manufactured to the highest achievable quality inside and out, Rega's own unique CD technology, genuine black chrome lid and front facia, a custom solid anodised aluminium case weighing in at a notable 19kg! We hope you enjoy this very special CD player; we have spent a very long time creating it, drawing on our many years of experience in specialist Hi-Fi manufacturing.


    Technology behind the design of the Isis


    One important design goal was to take the current output, with no internal amplification within the D to A converter, and convert this to an analogue voltage, using discrete class A operational amplifiers and filters. This circuit can then be optimised for sonic performance. (With most CD players the use of standard operational integrated circuits locks you into the sound of those particular integrated circuits, thus narrowing the scope for improvement).


    The class A current to voltage conversion amplifier evolved out of the development of the first stage of the Rega IOS MC amplifier.


    It shares identical demands of low noise, high drive capability and gain bandwidth required of the voltage to current amplifier.


    Careful choice has been made for every component in the digital and the analogue signal path to ensure the integrity of the signal.


    The analogue and digital sections are bonded together using a substantial ground plane. It was found during the development of the player that
    adoption of RF ground plane techniques aided the sonic quality and therefore were included in the final design.


    Careful design of the PCB's ensures isolation of not just the digital and analogue sections, but also the motor, display and user interface processor.


    All sonically critical electrolytic capacitors have been by-passed with polypropylene or polyester film capacitors. In addition to this, large value electrolytic capacitors have also been by-passed with audio grade electrolytic capacitors.
    Power supply impedances in the digital to analogue converter are kept very low by the use of solid polymer capacitors.


    All power supplies utilise custom Rega K-Power smoothing capacitors, along with fast diodes which have been used throughout in power supply rectification.


    The Isis uses enhanced and optimised control code for the control of the CD processor and user display.This speeds up the initialisation process by means of a tighter control interface between the user micro and CD processor.


    Analogue section


    The analogue section employs two Burr Brown PCM1794 digital to analogue converters, running in a parallel dual mono mode, driving a high performance discrete class A current to voltage amplifier.


    This combination generates an exceptionally wide dynamic range, low distortion, and linear signal. This drives an enhanced discrete class A output amplifier. The circuit is fully balanced from the digital to analogue converters to the balanced analogue XLR outputs. The analogue stage has its own dedicated 50VA mains transformer which ensures galvanic isolation between the digital and analogue sections of the player. You will find 10 separate power supply regulators are used in the analogue circuit and each individual amplifier stage has its own dedicated low noise voltage reference.


    Digital section


    The digital section is blue printed and selected, with major improvements to the mechanism, optical amplifier, DSP core, PLL, master clock & motor power supplies. Another 10 separate power supply regulators are used in the digital circuit. The motor, user interface processor & display also have their own power supply. The digital stage also has its own 50VA transformer again ensuring galvanic isolation. The mechanism is graded and matched to the servo circuits, to ensure the servo and optical amplifiers are working at their optimum point, improving error correction and playability. The headroom of the optical amplifier has been improved by 10% by increasing the voltage in the power supply.


    Digital


    This revolutionary player has been five years in design. Rega, together with its design partners have pioneered a highly advanced servo controller that uses the latest signal processing techniques to ensure that the raw data that is recovered from the disc is of the very highest quality. Because our fully digital servo can use highly advanced algorithms the laser spot is kept in the optimum position for data recovery in terms of focus, size and tracking.


    Extra Error Correction


    Previous chip-sets always made compromises on error correction. Formerly it was possible to have good jog resistance or better musical performance.
    The Rega chip-set allows optimum musical performance and optimised jog /vibration resistance.


    Super-stable phase lock loop


    The entire IC is clocked via a very special PLL of our own design. This allows better CD data recovery as well as a big improvement in the quality of the data delivered to the DAC.


    Low noise digital design


    In the design of our CPU IC we went to great lengths to ensure that the data and address bus noise was kept to an absolute minimum. This ensures the ground and signal connections to the DAC are as 'clean' as is possible.


    USB Input


    Allowing direct connection to a laptop or PC via a USB A-B lead to stream internet radio Mp3 or WMA files directly from your computer via the high quality ISIS internal DAC.


    The USB input uses an isolated double-clocked USB interface, which permits the digital to analogue stage to be used with a computer USB interface and it's own regulated power supply.


    The USB benefits once again from galvanic isolation from the main circuitry of the ISIS player which eliminates the flow of earth currents between the CD and host computer, and eliminate computer power supply noise.


    Disc Analysis


    The ISIS will analyse each disc on an individual basis. During the initialising period (rather like the engine management system on a modern car which optimises the engine settings to temperature, fuel quality etc.) the ISIS will adjust itself to each disc in order to give optimal trouble free reading. For this reason the ISIS will often play discs with marks or scratches that other players cannot read.


    All these features amalgamate to create the supreme level of performance found in the Isis and provide a perfect partner for the Rega Osiris amplifier.


    Rega
    $9,995.00
    Rega Isis CD Player Buy Now
  • Rega Planar 2 Turntable 6 OPTIONS AVAILABLE Rega Planar 2 Turntable Quick View

    $675.00
    Buy Now
    x

    Rega Planar 2 Turntable

    40th
    WhatThe


    Need help choosing the right turntable for you? Please contact our audio advisor at 1-877-929-8729 with any questions or concerns regarding your equipment purchase.


    The new Planar 2 was developed over the past two years alongside the recently released Planar 3. Featuring the brand new RB220 tonearm which is packed with groundbreaking new features.


    A new 24v, low noise motor, acrylic laminated plinth, newly designed central bearing and so much more. Every feature of this innovative new turntable is designed to extract the maximum amount of information and detail from your vinyl collection.
    Tonearm - Featuring the brand new RB220 tonearm which is packed with groundbreaking new features. Incorporating new ultra low friction, Rega designed, bespoke, zero play ball bearings (Patent Pending), housed within a brand new, stiffer and lightweight bearing housing which was developed with a new automatic bias setting negating the need for the user to set bias, making it almost completely plug and play apart from simple arm balancing. The new housing also includes an integrated arm clip and uses Rega's latest custom aluminium arm tube.


    Hub bearing - The Planar 2 has a new 11mm self securing brass bearing (Patent Pending) offering improved fit and less stress on the bearing preventing the transfer of potential energy.


    Plinth - High gloss acrylic laminated plinth, stiffer and vastly improved appearance with ergonomically positioned power switch. Two plinth finishes at launch: gloss black & gloss white


    Motor - New 24v low noise, low vibration motor assembly and new PCB.


    Platter - New float glass 'Optiwhite' 10mm - Improved accuracy platter.


    Other features :


    • Re-designed feet - New improved foot assembly to increase stability and reduce vibration transfer.
    • Carbon cartridge - supplied as standard on all Planar 2's for simple plug and play convenience.
    • Motor cover tray - with integrated cooling.
    • Optional lid / plinth protectors - supplied to prevent marks on the plinth and keep it looking its best.
    • Instructions - Easy to use multi-lingual quick start guide for easy set up.
    • Packaging - New improved packaging.


    The Performance Pack Kit Includes:


    • Rega-built Bias 2 MM cartridge
    • thick black 100% wool platter mat
    • reference drive belt (the white belt)

    Free installation of the Performance Pack upgrade is optional.


    Rega Turntables
    $675.00
    Planar Turntable - Black, White, Or Red - Performance Pack Option
    Buy Now
  • Rega Ios Moving Coil Amplifier Rega Ios Moving Coil Amplifier Quick View

    $6,995.00
    Buy Now
    x

    Rega Ios Moving Coil Amplifier

    40th


    Have a question about this product? Please email our audio advisor or call 1-877-929-8729 with any questions or concerns regarding your equipment purchase.


    Designed as the ultimate MC phono stage and the perfect match for the Rega Apheta MC cartridge Ios has made the transition in to the reference style case to match Isis and Osiris. The new Ios has the addition of balanced XLR connections mute and mono functions. The PCB layout has been redesigned to improve the noise floor and the entire unit has been fully rewired with ultra low capacitance cabling.


    The function of a phono pre amplifier is to match the output from a pick up cartridge to the input of a line level amplifier. It is required to amplify the very low signals produced by the cartridge and also to equalise the sound in accordance with RIAA record cutting standard. Rega believes that moving coil and moving magnet cartridges require different types of phono pre amplifiers to achieve optimum performance. The IOS is therefore dedicated to moving coil cartridges and avoids compromises. We have avoided including any superfluous functions as they obstruct the signal path and degrade the sound quality.


    Design innovation


    The Rega Ios is a four stage all symmetrical amplifier. To provide optimum performance it is dedicated to amplifying the very low level signals that are generated by moving coil cartridges.


    The first stage uses a 1:10 step-up transformer, which can be optimised to the cartridge by the selection of the correct loading and zobel DC resistance correction network connected across the MC transformer secondary.


    The second stage is a symmetrical compound pair class A amplifier, using paralleled low noise Hitachi transistors in the input stage.This drives the passive high frequency part of the RIAA equalisation stage.


    The third stage is a symmetrical class A differential amplifier with a common base driver stage; this is also used as the active amplifier in the low frequency part of the RIAA equalisation stage. The fourth stage is the active filter, this configuration uses the same circuit as found in the second stage. The filter element uses a very high bandwidth operational amplifier.


    The power supply is a symmetrical discrete tracking power supply using fast diodes and a low noise voltage reference. Each stage has its own localised power supply, and LED referenced current generators. Very high quality, polypropylene capacitors have been used in the signal path. 1% tolerance polypropylene capacitors are used in the RIAA EQ stages and audio grade capacitors are used in the rest of the circuit.


    We hope that you enjoy this product as much as we have enjoyed creating it. - Rega


    Rega
    $6,995.00
    Rega Ios Moving Coil Amplifier Buy Now
  • Rega Tube Isis CD Player Rega Tube Isis CD Player Quick View

    $10,995.00
    Buy Now
    x

    Rega Tube Isis CD Player


    Have a question about this product? Please email our audio advisor or call 1-877-929-8729 with any questions or concerns regarding your equipment purchase.


    The story behind the Valve Isis


    Rega's now legendary head electronics engineer Terry Bateman spent 10 years researching the concept of a CD player using valves in the output amplifier.


    When it came to the inspiration for this project Terry drew on the enormous experience he gained while working with musical instrument valve amplification, which dates back to the middle part of the 1970's. Terry's concept was based on the need to have a playback chain, which is in harmony with the instruments and equipment being used.


    Valves have been widely used in musical instrument and recording amplification from the 1950's to the present day, therefore it made great sense to develop a valve based CD player to match that of the signal chain found in such applications.This approach kept the circuit straightforward, this is mainly because musical instrument amplification is not excessively hindered by some of the folklore surrounding certain aspects of valve audio design. He took the approach of combining the technical and sonic attributes of valves in a differential instrumentation amplifier circuit driven from differential output DAC with a passive LC filter.


    Careful choice of valves and the use of moderate levels of feedback keep the distortion at reasonable levels thus keeping the colouration to a minimum. The valve Isis became fully realised when he combined the valve project with the Wolfson high performance differential output WM8741 DAC along with the digital playback circuitry of its solid state stable mate.


    Design


    The valve Isis shares the same digital and USB sections as found in the solid state version however the analogue stage is valve based with passive filtering. This stage uses two military specification triple mica 5814A (ECC82/12AU7) triodes being driven by the revolutionary Wolfson WM8741 ultra high performance digital to analogue converter.


    The output buffer and transformer driver stage uses two ECC88 (6DJ8/6922) triodes. This, like its solid-state stable mate, is of an un-orthodox design. The design goal with this player was to keep away from the normal design approach of lets run it through a valve to make it sound warm, but take advantage of industrial valve circuits to make an articulate and competent valve based CD player. Careful choice has been made for every component in the digital and the analogue signal path to ensure the integrity of the signal.


    Careful design of the PCB's ensures isolation of not just the digital and analogue sections, but also the motor, display and user interface processor. All sonically critical electrolytic capacitors have been by-passed with polypropylene or polyester film capacitors. In addition to this, large value electrolytic capacitors have also been by-passed with audio grade electrolytic capacitors. Power supply impedances in the digital to analogue converter are kept very low by the use of solid polymer capacitors. All power supplies utilise custom Rega K-Power smoothing capacitors, and fast diodes have been used throughout in power supply rectification.


    The Isis uses enhanced and optimised control code for the control of the CD processor and user display; this will speed up the initialisation process by means of a tighter control interface between the user micro and CD processor.


    Technology


    The differential output of the digital to analogue converter drives a valve differential (operational) amplifier, with a very modest amount of feedback to stabilise the operating conditions. The 5814A based differential amplifier, with a solid-state current generator in its tail, takes full advantage of the differential output from the digital to analogue converter. This is followed by a passive Butterworth second order LC filter. Finally, this signal is buffered using a low anode resistance ECC88 to drive the output and balancing transformer.


    In design it was felt that unnecessarily high levels of THD would unduly overwhelm the qualities of the digital stage of the Isis. The overall THD is typically 0.06% being prominently even order, where the 2nd harmonic predominates. This will give the sonic dynamics of the valves without dominating the sonic qualities of the digital section.


    After many hours of tube rolling we found the 5814A differential amplifier position was best on the grounds of micro-phonics, reliable operation and sonic qualities. Both the HT & LT power supplies are fully regulated and use the same power supply parts as used in the solid state Isis. Like the solid-state analogue stage valve Isis has it's own dedicated 50VA mains transformer, ensuring galvanic isolation between the digital and analogue sections of the player.


    The Isis has an isolated balanced output, and in keeping with the spirit of the valve circuit topology we have opted to use a transformer in this position. This balancing transformer is made to the same exacting standards to that found in the IOS MC amplifier.


    We hope that you enjoy this product as much as we have enjoyed creating it. - Rega


    All these features amalgamate to create the supreme level of performance found in the Isis and provide a perfect partner for the Rega Osiris amplifier.


    Rega
    $10,995.00
    Rega Tube Isis CD Player Buy Now
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