Model no:   QA-115

    standard version with silver MDF chassis

  standard version with black MDF chassis

    standard version with Grey iMDF chassis

¡@ STR-103 Super rectifier tube upgrade for 5U4G ( C$480 include 2 x 866A tubes)

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

Using the 6SL7 tubes as the amplification, and 6L6G tubes as the output buffer section, this unit is also built with a 5U4G tube rectifier and enhanced power supply, (which gives you the best price-performance in a fully balanced pre-amplifier). All hand-wired to the highest possible standard. With the flexible capability of over 600 different tube combinations, you can easily fine-tune the tonal quality of this pre-amp to adapt it to the rest of your system.

This pre-amplifier has a special Normal/fast feature switch, it can give you a very high adaptability to different types of music. The Fast position is good for Rock, Pop and Jazz, while the Normal position is good for Blues, Vocal and Classical music. Even though this switch can change the pace of the music reproduction, it can't be detected by any existing measuring instrument. The specifications will not be altered, the changes are only detectable by the human ear. The upper set of photos shows a special version with a MM/MC phono stage, as well as one more set of inputs for the tuner, in solid-oak, too . The middle set of photos show the standard version with a silver metallic MDF chassis.

The lowest set of photos show a standard version with an additional silver aluminum face plate. Now available is a super rectifier tube up-grade for the 5U4G, which can greatly enhance the dynamics, high and low frequency extension, and bass punch. A stand-by switch for pre-heating of the rectifier tubes ensures the longest operation for the lifetime of the tube. Rectifier tubes are replacable with high quality ceramic sockets installed.

add 0/180 deg phase control switch with additional of C$150 

Solid-state non-feedback super low output impedance module ( <10ohm single-end or balanced ) add C$500

¡@

(optional chassis : Mirror steel, black piano , solid-oak )