One of the best preamplifiers with the phono stage ever made. Include V-dale stepped attenuator. AC 230 volts but easy to switch internally to 115V
4 chassis totally dual-mono construction
Power supplies use only polypropylene capacitors
Only 4 tubes in the entire signal path from the cartridge
21 active power supply stages.
Direct cathode coupled with no input, interstage or output wound components making cartridge matching completely automatic
Extremely fast and capable of handling the most intricate and detailed passages of music.
Outstanding performance, lightning quick response curves and terrific transparency. More here http://www.high-endaudio.com/RC-Preamplifiers.html
Audion Premier Quattro line level with moving coil phono stage 4 box mono-block pre-amplifier is totally hard wired point to point and hand built using solid core 5 * 9's silver wire in all its audio path and specially selected and matched components including some tanatalum resistors, etc etc to make it one of the best sounding preamps in the world!.. The chassis' are black powder coated aluminum as is the transformer cover. The top plate and badge are mirror finished stainless steel. Arguably the finest stock pre_amplifier in the world
The Quattro is available in our unique all aluminium Uni-chassis’, and includes an MC stage designed for use with the most sensitive of cartridges, it is a true high-end, high quality product capable of handling a massive array of sources. There are 4 line level inputs and an MC input. The Audion Quattro is the finest stock preamplifier ever made. It has the benefits of both simplicity of design and superb execution (with only 4 tubes in the entire signal path from the cartridge, a 4 chassis totally dual-mono construction and the power supplies use only polypropylene capacitors). There are 21 active power supply stages in each mono-block pre-amplifier, the power supplies have their own boxes which makes the entire pre-amplifier quieter. As all the components are separate all crosstalk is avoided..
The soundstage is extremely fluid and controlled. Roll off in both directions is seamless. Resolution is astounding, with absolutely convincing depth even at very low playing levels. It brings recording to life and places you directly in front of the performance. The phono stage is of a step ip transformer less design, meaning it is incredibly fast and fluid.