Ypsilon PST100 Mk2 Stereo Preamplifier Copper Series LED Display showing voltage and

LED Display showing voltage and THD distortion of the mains

This is done by holding the axis point of 775Hz and adjusting in a see saw fashion the upper and lower frequencies

Rigidly Braced Cabinet

High-order crossover network delivers accurate timbre reproduction

Standard edition

Ypsilon PST100 Mk2 Stereo Preamplifier Copper Series LED Display showing voltage andYpsilon PST 100 Mk2 TA Stereo Transformer Attenuator Preamplifier The PST100 approaches the concept of pre amplification in an outstanding way. At its heart are the in house made transformers used for attenuation. In addition, its valve state circuit combined with exquisite materials produce the finest and most elegant sound that any pre amplifier could ever achieve. Conventional wisdom suggests that the most critical part of a pre amplifier is the