The Lab12 pre 1 just arrived at Hifi Pig Towers and here it is being unboxed. We’ll be reviewing this valve preamplifier and you can WIN this very unit worth £1200 by visiting Hifi Pig’s stand at The Indulgence Show that takes place the 14th to 16th October at the Novotel London West in Hammersmith, London. All you need to do is pick up a postcard from our stand, or ask for one if you see us and follow the instructions to be in with a chance of winning! More »

Zesto Audio has announced the debut of their newest product, the Andros Téssera Phonostage. The official launch will take place at the annual Rocky Mountain Audio Fest in Denver, Colorado USA, October 7-9, 2016 in exhibit room 6011 at the Marriott Tech Centre.andros-tessera-front-with-led-web

Téssera means 4 in Greek. This newest product from Zesto Audio is aptly named as it is designed to work with up to 4 different tonearms or turntables.  George Counnas, President and Design Engineer for Zesto Audio says, “There are so many great specialized phono cartridges available today, I wanted to design a phonostage that was easy to use, while providing the necessary inputs to accommodate multiple tonearms and be able to save the settings when you switch between channels.”

The Andros Téssera designed with 100% tube circuitry and no solid state devices anywhere in the signal path and all switching is done with reed relays.

Building on the success of Zesto’s original Andros Phonostage, George wanted to take it further, not only sonically but with more features resulting in a quieter, fuller and more dynamic sound. tessera-back-with-power-supply-2-revised

Some of the new features include true transformer balance outputs driven by dedicated output tubes. The Andros Téssera has a new circuit design that is partnered with significantly upgraded larger MC step-up transformers to capture the most delicate signals in the grooves.

The Téssera is designed with 2 completely independent dual mono channels that can accommodate 1 MM and 1 MC per channel. It is easily adjustable “on the fly” 12 position MC load per channel without clicks or pops, so you can hear the changes, as well as save the settings when you switch between tonearms. One of the unique features is the 4 MC ground switches which helps to eliminate those noisy ground loops.


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Now in its 81st year, Quad has been making valve amplifiers for home use since the late 1940s. The company’s latest model, the VA-One, brings the concept bang up to date; a compact integrated amplifier that fuses Quad’s traditional valve-based audio expertise with modern digital audio streaming.4558_Quad_VA-One_ONLINE

With a footprint measuring just 18x33cm, the VA-One is very compact for a stereo valve amp – sufficiently small to sit comfortably on a desk.

Three digital audio inputs – optical, coaxial and asynchronous USB – support data up to 24-bit/192kHz, and an RCA-phono input gives the option to connect an analogue source like a CD player or a turntable (when used with a suitable phono stage). In addition, those who enjoy the freedom of wireless connectivity can pair smartphones, tablets and computers via Bluetooth, with support for the sonically superior aptX codec.

The preamp section incorporates an ECC83 high-impedance triode, feeding an ECC82 twin triode driver and phase splitter stage. The output stage uses two EL84 pentodes per channel in push-pull configuration, delivering 2x15W.4559_Quad_VA-One_(rear)_ONLINE

External styling is classically Quad, finished in traditional ‘Lancaster Grey’. The amp’s front panel sports a smooth-acting volume control incorporating a motorised potentiometer, allowing adjustment via the supplied remote control, together with a headphone output and controls for input selection and Bluetooth pairing.

The Quad VA-One integrated valve amplifier is available from mid-August, priced at £1299.95 (RRP). It joins the similarly styled PA-One headphone amp in Quad’s expanding ‘One’ range of valve-based amplifiers with integrated DAC circuitry.


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At £885 the Minute EL-34 valve certainly looks to offer good value for money with its separate power supply. Add another £150 and you get a full compliment of cryo’d valves. Ian Ringstead takes a listen.  More »

Audio Research has announced the introduction of their Foundation Series. From the same engineering and design team responsible for the Reference Series, “the Foundation family of vacuum tube components has been created to provide incredible musical experiences”.4476_Audio_Research_Foundation_Series_(stack_without_shadow) (1)

The first three components include the LS28 line stage preamplifier, the PH9 phono stage, and the DAC9 digital- to-analog converter. A new amplifier will follow, with other products to complete the series. All models will be available in both black and natural anodized aluminium finishes. Each unit comes with its own custom metal remote control.

All products at Audio Research follow the exact same path from concept to production, regardless of the series or model. The Foundation Series shares the same lineage, build quality, and many design characteristics found in the more costly Reference Series.

Many of the parts in an Audio Research product are proprietary, while some are designed for a singular model. This attention to detail is inherent to all processes at Audio Research – from the hand-soldering of every circuit board, to the final listening test which is conducted by the same person who helped guide the design. Our commitment at Audio Research is to deliver the most musically satisfying experience at every level.

The LS28 line stage is a flexible  preamplifier. Four balanced and four single-ended inputs, and two sets of both balanced and single-ended outputs, allow maximum connectivity. The straightforward menu allows control of numerous parameters, including input naming, tube hours, auto shutdown, and home theater passthrough. Phase invert and mono are also standard functions. At the heart of the LS28 are four 6H30 vacuum tubes in the analogue circuit.4471_Audio_Research_LS28

While the LS28 is the perfect match for any Audio Research amplifier, it has been designed to work with nearly any amplifier on the market today. Shipping to begin in June.4472_Audio_Research_LS28_(internal)

The PH9 phono preamplifier is a great pairing with most cartridge and turntable combinations. A trio of 6H30 vacuum tubes are at the core of a simple and clear signal path to provide the most transparent preamplification possible. Five different impedance settings allow for cartridge loading, which can be changed on the fly with the included metal remote. Cartridge impedance, tube hours, auto shutdown, and other features are included in the menu system. Shipping to begin in July.4474_Audio_Research_PH9


The DAC9 digital-to-analog converter decodes most current formats with state-of-the-art vacuum tube technology. Five digital connections – USB, RCA, BNC, AES/EBU, and Toslink – provide connectivity to all of your digital sources. Quad DAC architecture provides a balanced digital signal, wide dynamic range, and decoding resolutions from red book CD up to 384 kHz and native DSD sampling rates.4468_Audio_Research_DAC9 (1)

A pair of 6H30v vacuum tubes are the heart of the analog circuit. Both balanced and single-ended connectors are provided for output connectivity. Native-rate upsampling and selectable digital filters allow customisation of the digital signal. Shipping to begin in August.4469_Audio_Research_DAC9_(internal)

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The MQ-300 is a new generation of vacuum tube stereo amplifiers from LUXMAN that “uses the most thoroughly selected parts and circuits to maximise the performance and tonal quality of the latest direct heated triode – the TA-300B”. Following in the design footsteps of the MB-300 released 31 years ago, the MQ-300 combines traditional design with cutting edge technology.   MQ-300_skew_coverlesss

Since the foundation of the company 90 years ago, and the subsequent release of the MB-300, LUXMAN has pursued certain core principles for sound generation. These principles are embodied in the MQ-300 as ‘honest and natural sound quality, feeling the sound field without exaggeration’, ‘feeling the unity of sound with sufficient data for the whole audio band’ and to achieve ‘fatigue free listening enjoyment’. Expressing the original sound whilst bringing the spirit of each disk to life are qualities intrinsic to the MQ-300 and those principles.MQ-300_rears

Design History

The MQ-300 is based on the cosmetic design and circuit configuration of the MB-300, the renowned vacuum tube monaural power amplifier released by LUXMAN in 1984. The elements of traditional design and elegant tonal quality that is unique to the performance of the TA-300B, a direct heated triode, have been maximised in the MQ-300.


  • Rated Power Output: 8W + 8W (4Ω, 8Ω, 16Ω)
  • Input Sensitivity: 490mV (8W) 240kΩ
  • THD: 1% (1kHz / 8Ω / 1W)
  • S/N Ratio (IHF-A): 105dB
  • Input: 1 x Direct, 1 x  Variable
  • Output: Large speaker terminal x 1  set (4,8,16Ω independent)
  • Power Consumption: 160W
  • Dimensions (W x H x D): 460 × 273 × 340 (mm)
  • Net Weight: 29.0kgMQ300_trans_tops

The MQ-300 is arriving in the UK later this month, with an RRP of £15,000.

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Introducing Billie, the stereo amplifier that combines  the precision of digital with the warmth of analogue sound in a Nordic minimalist aesthetic. An objet d’art designed with attention to detail inside and out, Billie brings back the transcendent ritual of listening, say the company launching it on Kickstarter.heaven_11_kickstarter

“Our goal is to go beyond soundbars and bluetooth speakers, back to how music was meant to be experienced.” says Itai Azerad, Heaven 11 cofounder and designer. “We believe that the stereo system is still the best way to experience that ‘live in the room’ feeling. We’re not about ‘multi-room’, we’re about ‘in the room’.”

Named after Jazz Icon Billie Holliday, this amp plays ALL your music beautifully whether it’s from your phone, TV, Spotify or vinyl.heaven_11_kickstarter82

“We designed something for the pragmatic audiophile because we couldn’t find it out there. We built an affordable high-caliber amp that plays all of your music collection –  be it vinyl, Hi-Res digital, line or wireless.”

Combining the detailed soundstaging of digital to the round, analogue smoothness of tubes, Billie features ICEpower amplification by Bang & Olufsen (120W/4Ω), 32bit/384Kh DAC, AptX Bluetooth, RCA, vinyl and Toslink inputs. It comes with a custom-built tube preamp and a powerful headphone amp. The amp is to be manufactured in Montreal, Canada.

Moving away from the current trend of generic design and disposable materials, Billie’s shell is made of thick, machined aluminium. The cool minimalist casing details are balanced by warm, crafted hardwood knobs.

“Design is not just aesthetics, it’s how we use an object, what the object communicates to us and about us.  I believe a stereo’s design ought to be closer to an electric guitar than a cable box -what most stereos look like these days. An electric guitar is quite a functional tool, -not too many useless knobs on there- but it’s also such an intimate object, there’s a mystery about it, you gotta feel a connection, you gotta want to touch it.”

Billie is to be launched on Kickstarter mid-July at the special price of $595 US. After the campaign, the price will be $895/$995 US.

Heaven 11 Audio is a Montreal-based audio company  founded in 2015 by Itai Azerad and Andre Keilani, two award-winning product designers with a lifelong passion for music.
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Audio Hungary are a relatively new name to Hifi Pig and we first met them at this year’s High End show in Munich where they had their wares on display. This, the Qualiton A20i, is their entry level integrated amplifier. It is very compact, runs 2 x 20 Watts of Class A power and is based on classic push-pull topology.

It arrived, with little help from DPD, in a sturdy double (and surprisingly heavy) boxing, with the amp inside being very well packed indeed. The first thing out the box was the remote…wow, that’s heavy and really rather beautiful! Off with the valve cover to expose the tubes and the gleaming chrome body-work and that’s it all unboxed. More »

Eunice Kron heads up KR Audio Electronics located in Prauge, Czech Republic, a manufacturer of hand-crafted, high quality tubes (all glass is hand blown) and audio equipment. Hifi Pig goes Behind The Brands with her.  More »

Tubes/valves hold a real fascination for audiophiles with many many using them and swearing by them. Here’s a selection of tubes we found at this year’s High End in Munich. Of course there were lots of rooms using tubes and most of the pictures you see here were taken on stands where we weren’t able to listen to them. Includes: Angstrom, LAB 12, Unison Research, Audion, Triode Labs, Tsakiridis Devices, Jadis, Acoustic Plan, Fezz Audio, Mastersound, Dared, Cayin, AudioValve, Rumee Audio, Remton

You can read our highlights series of posts here with loads more tube systems as well as solid state.   More »

Aries Cerat have announced the completion of the Diana Series of amplification with the introduction of two new models, the Diana Forte amplifier and the Diana Mezzo, Class A pre-amplifier.

 Diana Forte Stereo Power Amplifier

The Diana Forte’s circuits are based on the Diana Integrated amplifier output and driver stages. The Output stage is scaled up to deliver over twice the power, achieving 60W (70W peak) per channel. The parallel SET output stage is built around the 813 DHT big bottle tube.  This in turn drives an oversized core OPT constructed using special winding techniques to deliver wide bandwidth at full power. Diana2

The amplifier driver stage is the 814 DHT tube, loaded with a double-C core bifilar wound inter-stage transformer. The Diana Forte’s amplifier is connected to its accompanying Diana Mezzo pre-amplifier via Aries Cerat proprietary AC link. As with the Diana Integrated and the Concero amplifiers, all stages are coupled with the company’s AC link method of coupling.

The output stage PSU is a dual, completely separate set of choke-filtered capacitor banks using yhe company’s own Super-capacitors.  The SuperCaps come from a selection of special purpose film capacitors with ESL and ESR parameters 100 times lower than any film or electrolytic capacitor.

The driver stage also uses choke filtered capacitor banks, with their own separate power transformer to avoid PSU cross-talk.

All tubes can be biased and monitored on the fly and can be matched using the Diana Forte as a stripped-down tube tester.


Max Power: 60W SE Class A (70W peak)

Max Power bandwidth: 15Hz- 110Khz

Noise floor: 100db

Combined gain: X 20 (26db)

Dimensions: 570mmW X 590mmD X 350mmH

Weight: 110Kg unpacked

Tubes: 2X814, 4 X 813


Diana Mezzo Pre-Amplifier

The Diana Mezzo is an improved version of the Diana Integrated’s pre amplifier stage. At its heart, the Diana Mezzo is a Single Ended Triode amplifier boasting an 814 Direct Heated tungsten DHT.

The output transformer is a double-C amorphous core, bifilar wound OPT.Mezzo2

Signal attenuation is performed by a relay-switched array of resistors, in a shunt/ladder hybrid mode.

A pair of Xenon gas rectifiers are used as rectifiers of the High Voltage PSU.

These rectifiers were developed as drop in replacements for some well known mercury rectifiers when mercury was labeled unsafe. So while they present the technical characteristics of a mercury rectifier, they are safe to operate. The high speed capacitor banks are double choke filtered.

Filament PSUs are quadruple filtered using a cascade of choke/resistor-cap pi filters providing very low noise floor for the sensitive filaments of the DHTs.


Gain: X7 (16db)

Attenuation level: 61 X 1db steps

Maximum signal input overload: 25V

Signal bandwidth @ 20Vrms: 10Hz-120Khz (-3db)

Dimensions: 500mmW X 350mmD X 340mmH

Weight:  55Kg

Tubes: 2 X 814, 2X 3b28

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The Silver Luna integrated valve amplifier from Polish company Fezz Audio uses EL34 tubes and costs £725 in Poland (and 1700,00 Eur for PRESTIGE export version) , which is something of a budget price for tube amp. Dominic Marsh takes a listen. More »

The PrimaLuna DiaLogue Premium HP Integrated Amplifier at £2,998 is billed as a fit an forget valve amplifier that avoids many of the OUTSTANDING PRODUCTboxredheadaches traditionally associated with valve amp ownership. Ian Ringstead takes one for a spin.  More »

Janine Elliot takes a step down memory lane with the much loved Leak Stereo 20 power amplifier.  More »

Janine Elliot takes a listen to the distinctly art-deco looking (and named) phono-preamplifier from Zontek in Poland costing €8990 and having three inputs, allowing for three arms on your turntable. More »

“Has Icon Audio founder David Shaw designed the ultimate triode amplifier?”, asks the company’s latest press release. Previewed ICONMB81_monobloc_amplifersat September’s National Audio Show and created to fulfil a personal ambition, these gargantuan amps will be sold in limited numbers as a special edition.

“If I’m completely honest,” says Shaw, “for much of the past year I’ve been building my own birthday present – and this is it!”. After discovering a quantity of ‘new old stock’ Russian GU81 transmitter valves, Shaw began to work on a prototype amplifier that would achieve a long-held goal: to effectively drive any modern low-efficiency high-end speaker to realistic levels.

At 260 mm tall, 100 mm in diameter and weighing in at 1 kg, the GU81 is a BIG valve. Although the GU81 remains in production, Shaw still favoured the ‘new old stock’ valves for the MB81.

Shaw has long been a fan of triode operation believing it the purest form of valve amplification. But triodes typically have a downside too: limited power output, which to overcome presents real a design challenge.  Says Shaw, “Our pursuit for making ever-better amplifiers often leads us into uncharted territory. This is such an example and it’s been a genuine labour of love. I’ve spent many, many months designing and listening, listening and redesigning.”

In the Icon Audio MB81, Shaw has produced a triode monoblock that can deliver an astonishing amount of power into even the most demanding of loads. These massive amps are about 50% bigger than the current Icon flagship MB845MkIIm and weigh around 100 kg per pair.  The specification is impressive: 250 watts RMS continuous output into an 8 ohm load whilst “complex” tertiary output transformers minimise distortion while allowing “unbeatable bass power and authority”.

“Following our work with other big triodes, we wanted to build an amplifier that would deliver plenty of power to drive the largest inefficient speakers with ease in pure triode mode, in very large rooms,” explains Shaw.

“Although many large speakers are generally efficient,” he adds, “their complex crossovers full of capacitors and inductors often present a difficult load for an amplifier, especially if it’s running with less than ideal power.”


Icon Audio believe the MB81 to be the world’s first ever push-pull GU81 amplifier. While it was initially developed as a personal gift for Shaw himself, he plans to produce a small number for sale as a very special limited edition. “This is probably the most amazing amplifier we’ve ever made,” says Shaw, “so it would seem churlish not to share it”.

Price will be £12,500 a pair.


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The SteamAmp II  from is the second iteration in the SteamAmp line and we think it looked great and certainly steampunk_ampworthy of a mention in Hifi Pig’s news section. Its circuit follows the original, and is based upon the S5 Electronics K12G Kit. The power supply caps and signal coupling caps have been upgraded, and snubber caps have been installed on the heater circuit. The output transformers were upgraded with Iron from Edcor.

The amp puts out 8 watts per channel, and has 5 inputs; 4 RCA pairs on the back, and a 1/8th jack on the front for MP3 players and the like. The volume is controlled by an 11-step attenuator. The tubes are 10GV8 Triodes in push-pull configuration.

The chassis is solid 3/4” Black Walnut with 1/8” Copper plate top and front panels and the transformer cans are constructed from 3 and 4” copper pipe caps. There are 4 glowing rods inside the glass window on the front that are lit by UV LED’s when the unit is powered on.

This piece was built as part of a commissioned system for a gentleman in Connecticut and will be finished out with a matching set of speakers.


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The Atlantic from Tron is one of the smallest 300B amps ever made with a footprint of just 40cm x 25cm. Power is between 9-TRON Atlantic10watts across the audio spectrum (20-20kHz) and with a usable bandwidth up to to 95kHz (-3dB).

The chassis is made from CNC machined Aircraft grade alloy, designed so that no nuts, bolts or fasteners show. It is fitted with two unique DC filament supplies for heating the 300B output valves.
A D3a valve used in the driver stage and the complete amplifier is all designed, manufactured and assembled in England.


9 watts per channel with 4, 8 and 16 ohm outputs.
C-Core output transformers.
C-Core chokes.
D3a driver stage.
Electro Harmonics 300Bs.
Teflon valve/tube bases.
CMC input RCA connections.
Very short signal path.
Valve rectified power supply.
Audio grade parts selected for outstanding sound.

The Atlantic is available in Silver & Black, Gold & Black. Gold & Red is also available to special order.

Available voltage versions for 100v, 117v, 220v, 230v, and 240v mains.

The Atlantic can be available at “Reference” and includes:
WBT Next-Gen speaker terminals
Special OFC wire for both the input and output connections.

From £6750


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McIntosh Laboratory has launched the new C2500 – a valve preamp with 15 inputs. Designed to offer flexibility with mcintosh-c2500-fronttopboth digital and analogue source components, the new C2500’s input complement includes two dedicated phono inputs (MM and MC) and five digital inputs, with D/A decoding at up to 32-bit/192kHz resolution.

The five-strong digital input suite in the McIntosh Digital Engine includes two coaxial and two assignable optical inputs at 24-bit/192kHz resolution, plus a dedicated asynchronous USB 2.0 input operating at up to 32-bit. The preamp’s analogue inputs include six line-level, two balanced, plus the aforementioned Moving Magnet and (adjustable) Moving Coil inputs. The C2500 also includes McIntosh’s new internal High Drive headphone amplifier, which offers increased gain and output power.

Internally, the C2500’s power supply, digital and control circuitry has been isolated from the analogue section and the C2500 boasts the best measured performance of any single-chassis McIntosh tube preamplifier.

The C2500 contains six dual-triode tubes (12AX7A) and further features include assignable tone controls (as needed), and the ability to connect up to three power amplifiers, two of which can be switched on and off for simple multiroom configurations. A Home Theatre Pass Through feature also allows for integration into existing multichannel home theatre systems.

The C2500 sells for £7,495 and is available now.


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Canadian manufacturer Coincident Speaker Technology have announce their first stereo integrated amplifiers, the coincidentTurbo 845SE and the Dynamo 34SE (Pictured).

The Turbo 845SE is constructed as true dual mono in every way with the only shared component between the two channels being the chassis. The Turbo is built on the same chassis as the company’s current Dragon MK II amplifier.

Single Ended 845 Output- 28 watts per channel

Pure Dual Mono

All hard wired

6N copper Japanese Steel proprietary power and output transformers

6EM7 input , 300B driver per channel

3 RCA inputs

Discrete Resistor volume control

Voltage selectable 115V/230V

AC ground lift

Remote control volume- mute.

Frequency response: 20 hz- 20khz – flat

Sensitivity: 1V for full output

Input impedance: 100 K ohms

S/N Ratio- 90 db

Weight; 100 lbs

Price :$5499 US


The Dynamo 345SE is a single ended triode tube amplifier that offers 8 watt pre channel.


Single Ended EL 34 output- 8 watts per channel

6SL7 input/driver tube, 5U4 GB rectifier tube

All hard wired

Stainless steel mirror finish chassis

Output impedance : 4, 8 ohms

Voltage selectable: 115V/230V

Frequency response: 20 hz- 20khz- flat

Sensitivity: 300 mv full output

Input impedance : 100K ohms

S/N Ratio- 88 db

Weight: 22 lbs

Price : $999 US.


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Purity Audio Design of Endicott, New York, will officially debut their Series 2 Silver Statement linestage preamplifer PSE-300b3along with their PSE300B Ultra mono bloc amplifiers (pictured) which in turn will be driving Daedalus Audio loudspeakers at Axpona 2013 in Chicago.

The pair of monoblocs come with 4 Sophia Electric Princess 300B, 2 Sophia Electric Grade A 6SN7 and 2 5U4 Rectifier tubes.
Frequency response: 10Hz-40kHz
Input Impedance: 100k Ohm single ended
Input Sensitivity: 250mV for full output
Maximum Output: 18 watts into 4, 8 or 16 ohm loads
Tubes 1 x 6SN7, 1 x 5U4G, 2 x 300B per chassis
Weight: 42 lbs each
Size: 12″ W x 15″ D x 11″ H (each chassis)
Fuse: 2A Slow Blow (120V Supply)
Power Consumption: 135watts


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Coincident Speaker Technology based in Ontario, Canada, have contacted Hifi Pig with news that they are adding two new valve amplifier designs to their stable of products, which already includes valve amplifiers, preamplifiers, loudspeakers and audio cables.
The Coincident Turbo 845SE amplifier is “built and designed to be an all out assault on integrated stereo amplifiers”. It is constructed as true dual mono with the only shared component between the two channels being the chassis. The Turbo 845SE has been created “for those who do not want to compromise quality or performance but are limited to space which preclude mono amps and a separate preamp”. The Turbo has a remote control, line stage and stereo amplifier all in one chassis.The Turbo has a large power supply and generates 28 watts per channel which means it should be suitable for use with most loudspeakers.
Single ended 845 output- 28 watts per channel
Pure dual mono
All hard wired
6EM7 input per channel, 300B driver tube per channel
3 Inputs
Remote control
100 lbs.
Price:$5499 US
The Dynamo 34SE is a more budget approach.It has a single ended triode tube sound that “belies its 8 watt power rating” and Coincident say that any 90 db sensitivity speaker can be powered.The Dynamo 34SE is available for under $1000.
Single ended EL34- 8 watts per channel
6SL7 input/ driver tubes per channel
5U4 rectifier
All hard wired
Stainless steel mirror finish
22 lbs.
price:$999 US
At the time of writing no images were available but Hifi Pig will of course bring you these just as soon as we have them.
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Hi-Fi distributor Sound Fowndations has announced the addition of the CANOR TP134 valve amplifier to its portfolio of TP134 blackhigh quality audio components.

The CANOR TP134 is a high quality stereo integrated amplifier that uses EL34 output valves to generate 35 watts per channel operating in pure class A up to 10 watts per channel. The circuit boards feature patented CMT (Canor Milling Technology) which means that areas of the circuit board are precisely removed to give the circuit similar electrical characteristics to one direct wired with air dielectric cables.

The TP134 features a high quality relay attenuator volume control which the company say provides a “more direct signal path with fewer contacts than typical volume controls leading to precise control and higher sonic performance”.

All control electronics, such as input switching and volume adjustment, are fed from a separate section of the power transformer and the control circuitry is only active when being used which Canor says avoids degradation of the sound quality of the amplifier.

Further the Canor TP134 boasts double copper foil shielding between the mains transformer to prevent mains noise from affecting the performance, a high capacitance anode power supply filtration providing “tight and accurate bass performance”, audiophile quality polypropylene capacitors in audio signal paths, custom designed bifilar wound output transformers “providing maximum power evenly across the entire bandwidth.

For the terminally lazy the TP134 is supplied with a remote control – Hifi Pig REALLY wants a remote control!

Price is £2495


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The latest in the series of Conrad-Johnson vacuum-tube power amplifiers, the LP125sa is announced for release in Conrad Johnson LP-125sathe UK by Audiofreaks distribution. The high-end amplifier is a single stereo block and, at 125 watts per channel has ample power for the majority of high-end loudspeakers.

The LP125sa audio circuit consists of three stages. The input signal is amplified by a single-ended triode amplifier, the signal is then direct coupled to a cathode coupled phase-inverter and this high current, triode phase-inverter stage provides a balanced, low impedance drive to the output stage which is provided by two pairs of KT120s per channel.

The LP125sa boasts massive transformers and a small amount of loop negative feedback reduces distortion and achieves a reasonably high damping factor.

The power supplu in the LP125sa is a separate, low impedance, discrete dc affair and regulators are provided for the input and phase-inverter stages, “preventing the output stage from modulating these stages through the power supply”.

A built in bias meter allows for simple biasing of the valves.

The amplifier is available in a standard configuration for just shy of £8000 and a “plus” version with upgraded caps and resistors comes in at a fiver short of £10000.


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