Audionet AMP 1 V2

Ultra-Linear-Amplifier
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.

Architecture
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)