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Phono Stages above £500

Phono Stages below £499

Deco Audio Products CURVE Standard

We couldn’t find the phono stage we really wanted, so we developed the CURVE. Built in our Aylesbury premises, it is an all valve MM phono stage (available with matching STEP step up transformer for use with MC cartridges). The version shown here is the entry level ‘Standard’ tier version, which we feel really pushes the boundaries of exceptional value for money.

Please click here to visit the dedicated Deco Audio Products website

Deco Audio Products CURVE Standard phono stage: £550.00

Pure Sound P10

The P10 is a superb MM valve phono stage (for Moving Coil use it in conjunction with a Step Up transformer). It uses a completely hard wired purist circuit with passive equalisation and no feedback. It is cleverly made with internal divisions within the half width case to shield the noisy parts of the power supply from the audio stage and features very short signal paths. It produces an effortless sound with great tonality.

Pure Sound P10 phono stage: £729.95

                      

Quad QC-24P

The Quad 24P is an all valve phono stage with MM and MC capability, the latter by internal step up transformers. Four long life 6111WA dual triode tubes are used, each in their own shielding cans to keep noise to a minimum.

There is a variable output (for those people that want to run directly into a power amplifier) via a volume control on the fascia, and fixed outputs for more conventional setups. On the rear panel there’s the ability to adjust the overall sensitivity, making it suitable for almost all imaginable setups.

More information to follow shortly.

Quad QC-24P MM & MC phono stage: £1,099.95

           

Audion Premier Phono

The Premier is a valve phono stage that uses 6922 tubes mounted on an aluminium half width chassis. It is a very quiet MM stage which has a transparent sound that is very revealing without being overly analytical in presentation. Its midband is exactly what you’d expect of a good valve design, there’s no grain or hash, just an open and expansive sound. Naturally is also works wonderfully with step up transformers for use with moving coil cartridges.

Audion Premier Phono MM phono stage £1,149.00

Audio Note R  Zero V2

The R Zero V2 is a valve MM phono stage which uses the a pair of 6112WA dual triodes and quality parts including Beyschlag resistors and Audio Note tin foil paper in oil capacitors. It is housed in the smaller Audio note chassis (approximately 2/3 standard width) and is available with either a black or brushed aluminium fascia.

Audio Note R Zero V2 phono stage: £POA at manufacturers request

Audio Note M1RIAA

The M1RIAA is an all valve MM phono stage. It uses ECC83 and ECC88 triodes in a feedback free circuit and the internal layout provides good separation and screening from the power supply and audio board (as shown below). It is available with either a black acrylic or brushed aluminium fascia.

Audio Note M1RIAA phono stage: £POA at manufacturers request

Croft Acoustics RIAA RS

The RIAA RS is the new top of the range phono stage from Glenn Croft. It’s housed in two of the standard sized Croft cases, one of which contains the massive valve regulated power supply and the other the phono stage itself. More details to follow soon.

Croft Acoustics RIAA RS phono stage: £2,200

Audio Note M2RIAA

Housed in the same case as the M1RIAA mentioned above, the M2RIAA  features a 6X5 rectified and ECL82 regulated valve power supply. The audio stage features Oil coupling capacitors and naturally uses Audio Notes own copper wiring throughout. It is available with either a black acrylic or brushed aluminium fascia.

Audio Note M2RIAA phono stage: £POA at manufacturers request

Audio Note M3RIAA

At  the  heart  of  the  M3 RIAA is  an  exceptionally  fine  Moving  Magnet  phonostage which uses three 5670 valves. This is followed by a 5687 valve equipped output stage, and  both  sections  are  powered  by  their  own  dedicated  6X5  valve rectified  power supply based on the M10‟s Galahad PSU. These power supplies also incorporate an ECL82  for  voltage  regulation  and  a  5651  as  a  voltage  stabiliser.  

Audio  Note  (UK) Copper wiring, a mix of Beyshlag and AN(UK) tantalum resistors, SILMIC capacitors and  Audio  Note (UK)  copper  foil  signal  capacitors  are  used  throughout  the  circuit, along  with  in-house  designed  and manufactured,  custom  Audio  Note  (UK) output transformers  which  feature  I-E M4  cores  and  copper  windings, which facilitate both single ended and balanced outputs. Due to the size of the components used the M3RIAA it is housed in Audio Notes full width chassis, with a choice of silver or Black fascia.

Audio Note M3RIAA phono stage: £POA at manufacturers request

Audio Note M5RIAA

The M5 RIAA uses three GE 6072a / 12AY7 valves around the EQ circuit (in the screening cans in the bottom right of the picture above). This is followed by a 5687 output stage (top right), which drive the output transformers (top right). Both channels are powered by their own dedicated 6X5 valve rectified power supply based on the M10‟s Galahad PSU.  These power supplies also incorporate an ECL82 for voltage regulation and an OB2 as a voltage stabiliser, these are in the middle of the picture above. Two substantial mains transformers and a pair of chokes ensure it remains dual mono throughout.

Audio Note Copper wiring, tantalum resistors, Kaisei capacitors and copper foil signal capacitors are used throughout the circuit, along with in-house  designed  and  manufactured, custom Audio Note output transformers which feature IHiB double c-cores and copper windings, which facilitate both single ended and balanced outputs.

Audio Note M5RIAA phono stage: £POA at manufacturers request

             

Audio Note M6RIAA

At  the  heart  of  the  M6 RIAA is  an  exceptionally  fine  Moving  Magnet  phono stage which  uses  three  5670  valves.  This  is  followed  by  a  7044 equipped output  stage, and both  sections  are  powered  by  their  own  dedicated  6X5  valve rectified  power  supply

based on the M10?s Galahad PSU. These power supplies also incorporate an ECL82 for  voltage  regulation  and  an  5651  as  a  voltage stabiliser.  Audio  Note  (UK)  Copper wiring, Audio Note  (UK)  1  Watt  Tantalum  resistors,  SILMIC capacitors and  Audio

Note (UK) copper foil signal capacitors are used throughout the circuit, along with in-house  designed  and  manufactured,  custom  Audio  Note  (UK)  output  transformers which  feature  UHiB  double  c-cores,  copper  windings  for  the  primaries  and  Silver windings  for  the  secondaries, which facilitate both single ended and balanced outputs.

Audio Note M6RIAA phono stage: £POA at manufacturers request

Audio Note M8RIAA

At  the  heart  of  the  M8 RIAA is  an  exceptionally  fine  Moving  Magnet  phono stage which  uses  three  5670  valves.  This  is  followed  by  a  6463 equipped output  stage, and both sections  are  powered  by  their  own  dedicated  6X5  valve rectified  power  supply

based on the M10‟s Galahad PSU. These power supplies also incorporate an ECL82 for  voltage  regulation  and  a  5651  as  a  voltage stabiliser. Audio  Note  (UK)  Silver wiring, Audio Note (UK) 2 Watt Tantalum resistors, Black Gate capacitors and Audio Note

(UK) Silver foil signal capacitors are used throughout the circuit, along with in-house  designed  and  manufactured,  custom  Audio  Note  (UK)  output  transformers which feature HiB 50% Nickel double c-cores, Silver windings for both the primaries

and   for   the   secondaries which facilitate both single ended and balanced outputs.

Audio Note M8RIAA phono stage: £POA at manufacturers request

Audio Note M9RIAA

The current ultimate phono stage from Audio Note. As you’d expect at this level the design and component quality are about as extreme as possible.

The EQ circuit uses what Audio Note dub as their “Virtual Component” design, where a specially wound Nickel-Iron cored silver wired transformer is placed at the centre of the RIAA circuit and whose inductance forms part of the correction curve - basically an LCR (Inductor, Capacitor, Resistor) EQ circuit but using a transformer rather than an inductor. Audio Note claim that the benefits of the transformer in this application is that there is no stray capacitance if you just were to use an inductor in its place, and that it allows a much higher impedance design, making the driver stages job much easier (600 Ohms is fairly normal for an LCR circuit, the M9 runs at 50k Ohms!).

This is combined with Silver foil capacitors a Philips SQ E80F input valve and an E80CC is used for the following stage, all hard wired onto the phenolic treated wood boards, as seen on all top Audio Note products. The result is an flat RIAA response (within +/- 0.1dB) from a seemingly very simple, but very clever circuit. Naturally the output is through 55% Nickel-Iron cored silver wired output transformers, facilitating both single ended and balanced connections.

The sophisticated valve rectified and regulated power supplies fill a second chassis and are connected via umbilical cables to the box containing the actual stage itself.

Audio Note M9RIAA phono stage: £POA at manufacturers request

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