Model no: QA-10001

This is a balanced input and output state-of-the-art pre-amplifier with all the extreme parts and features. Such as 274B rectifier, 99 steps non-contact non-semiconductor super high grade volume pot , super low output impedance and super high dynamics design (installed with our level 1+ 2 upgrade already) . The volume pot can select between "DUAL VOLUME" mode or "VOLUME + BALANCE" mode by the toggle switch in front panel, the music signal pass thru no switch contact point and no solid-state devices, extreme pure and transparent sound . We believe this might be the first pre-amp which have this special feature since the earth formed.

This model use the most Organic way of design and manufacturing, no NFB, no circuit board for tube sections, hand-wired component to components and point to point, 274B tube rectifier included, Space-Tech oil capacitors, high grade ultra heavy-duty transformer and power filter capacitors. This unit is built with no compromise in component quality, very carefully fine tuned in both tonal balance, resolutions and sound quality as well as air and soundstage. It boasts a superb sound stage and natural delivery. This is one of our best sounding pre-amplifier. The tenderness and punchiness in the bass section, the sweetness and liquidity in the midrange , silkiness and smoothness and openness in the high frequencies, all these superlative features will make you want to listen unceaselessly. This pre-amp is suitable for almost any type of music reproduction, it can outperform other mass-market brand pre-amp within almost any price range.

The 274B tube rectifier can further upgrade by our super rectifier STR-104 or higher models , direct plug and play without any mod required.

With this super rectifier adaptor, you can use 300B, 2A3 , 45 , 50 , 80, 83, 1616 , 3B28 or 866A as rectifier tubes option.

PROMOTION SPECIAL : free IR remote control capability (use your own universal remote)

PROMOTION SPECIAL : free IR remote control capability by Universal remote

(optional chassis : solid-oak )