We have moved to a purpose built workshop Stirling, despite what Google says we are still open, also our telephone number has changed, see below.

I now full offer tonearm repairs following extensive training by John Nielson of Audio Origami fame,  Linn Ittoks and Naim Aro’s are our speciality, but I work on just about any arm, and none have so far defeated me.

if you wish to discuss your repair, or any other questions please call on 01786-940020 or email

Audionet AMP 1 V2


28 Kilograms of Passion
The AMP I V2 represents an exemplary combination of pioneering Audionet technology with the company’s typically detail-obsessed scientific application and experience-based knowledge.

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The sonic culture of the AMP I V2 is characterized by emotionality, sincerity and completeness. Performing quickly and with extremely fine resolution, it dazzles with its richness of detail. At the same time, the delivery is relaxed, devoid of the least hint of harshness or rigidity. Dynamic leaps are imparted with the necessary impact, without being merely loud. The bass is resolute and richly contoured. All this amounts to strikingly realistic holographic quality. And as a machine, the new Audionet discreetly stays in the background and creates a space within which the effect of the music can unfold – in all its artistry and emotionality.

Technical Data

2 x 200 Watts into 8 ohms 2 x 300 Watts into 4 ohms 2 x 450 Watts into 2 ohms 1 x 600 Watts into 8 ohms (bridged) 1 x 900 Watts into 4 ohms (bridged)
Filtering capacity:
188,000 µF
Frequency Response:
0 – 300,000 Hz (-3 dB)
Damping Factor:
> 10,000 @ 100 Hz
Harmonic Spectrum:
k2 typ. -120 dB for 25 Watts @ 4 ohms k3 typ. -123 dB for 25 Watts @ 4 ohms
< -110 dB SMPTE 100 Hz : 20 kHz, 4 : 1, 50 W @ 4 ohms
Channel Separation:
> 100 dB @ 1 kHz
THD + N:
< -102 dB at 1 kHz, 35 Watts @ 2 ohms between 20 Hz and 20 kHz
> 106 dB at 10 Veff
Input Impedance:
37 kOhm, 220 pF
Power Consumption:
max. 1,500 W
Mains connection:
230 V, 50 Hz
width 430 mm height 175 mm depth 315 mm
28 kg
Silver or Black red or blue LED

The AMP I V2 is fitted with state of the art of Audionet’s ULA (Ultra-Linear-Amplifier) technology, which generated not only world-wide attention but won a number of awards. Originally invented for the purposes of medical engineering, this highly complex circuit topology provides cutting-edge measuring-technical results. Signal impurity remains below detectable levels even under the most strenuous of circumstances, whilst its outstanding feedback damping ensures that the loudspeakers perform at full capacity.

Cream of the Crop
Every sound-critical point in the AMP I V2 is fitted exclusively with the finest components procurable worldwide, many of which are custom-made for Audionet. For instance, the filter capacitors are manufactured according to our specifications by specialists in the USA; the bulk of our high audiograde electrolyte capacitors with a silk dielectric come from a Japanese audio manufacturer. We rely on mica capacitors, insert selected high voltage foil capacitors, deploy high-quality silver-gold alloys for our internal wiring and use the very best connector systems available from Furutech.

The AMP I V2 sets standards regarding linearity, reflux damping and loudspeaker control. It is magnetically and capacitatively optimized and coherently assembled as a dual-mono amplifier. This minimizes feedback from magnetic fields and electrical interference rays, thus eliminating nearly all reciprocal influences between the amplification channels as well as between the input, correction and output stages.

In order to optimize its high-frequency attributes, circuit size has been radically reduced. The remaining signal paths are kept to a minimum and are free of sound-critical components such as coils, chokes or relays. All in all, distortion is near-eliminated. The damping factor pushes the possibilities to the edge. The input stages are double-differential pre-stages with monolithic dual FETs separately powered by an 80 VA toroid-core transformer with separate windings for each channel. Their gain-bandwidth product exceeds one Gigahertz. Double bootstrapping decouples them from the power stages. Each output stage possesses four power MOSFETs.

Their bias current (0.4 A) is actively controlled. They are supplied by two 700 VA toroid-core transformers and four fast, impulse-stable high-current capacitors with filtering capacity totalling 188,000 µF. Distortion is compensated-for locally by a real-time correction stage. The voltages are smoothed as rapidly a possible by optimized discrete MOSFET regulators. A control unit with separate power supply monitors DC, HF, temperature and overload. If necessary, it disconnects the AMP I V2 from the mains supply, thus ensuring absolute operating safety.

Special Features

Audionet ULA technology (Ultra-Linear-Amlifier)

Dual-mono amplifier

Magnetically and capacitatively optimized construction

Signal paths are kept to a minimum

No capacitors and electromechanical components in the signal path

Completely DC coupeld

Separate power supply for input and power stage

2 toroid transformer, each with 700 VA

4 impulse-stable high-current capacitors with filtering capacity totalling 188,000 µF

Discrete, extremely fast and stable driver and output stages

Control unit for HF, DC, temperature rise and overload

Remote activation via Audionet Link (optical waveguide)

Audio inputs:2 Furutech RCA line, gold plated, teflon insulated

Loudspeaker outputs: 2 pair Furutech 4mm-jacks, rhodium plated

Remote activation:

2 Audionet Links, optical (in and output)

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