Model no:   QA-300B-BAL-Mk2

 

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This is a balanced input and output state-of-the-art pre-amplifier using the infamous 300B tubes . This model use the most organic way of design and manufacturing, no NFB, no circuit board, all hand-wired component to components and point to point, tube rectifier and tube regulator, oil filtering capacitor and coupling capacitors, high grade ultra heavy-duty transformers . This unit is built with no compromise in component quality, very carefully fine tuned in both tonal balance 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 ever. The tension and punch 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 any other mass-market brand pre-amp within any price range.

The 5U4G 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.

Several more budget version available at lowered cost

1. RCA input and output version with tube rectifier only (C$3,880)

2. RCA input and output version with tube regulator (C$4,880)

3. XLR+RCA input and output version with tube rectifier only ($5,880)

Free Level-1 SUPER-Drive upgrade for this and other XLR in/out version , RCA in/out version add C$200

(optional chassis :  Mirror steel, solid-oak )