Using the 6SL7/6SN7 as the amplification and 6L6G as output buffer section, this unit features superlative mid-high sound, built with a 6X5 (or 5U4G for super version) tube rectifier. This gives you the best ST size tube sound with a low price. All hand-wired to the highest possible standard. (older version use 6G6G as input tubes, you can ask for this older option with no additional cost)
Organic pure tube non-feedback design, as well as with our copyrighted FLEX-TUBE design, you can put in over 10 different type of tubes as output and fine-tune the sound to your deisre. The front tube can chagne from 6SL7 to 6SN7 or 6SU7 and their equivalents., which will alter the gain as well as sound qualities. A total of 6 x 10 = 60 tube combinations can be used in this pre-amp, plus the vast selection of rectifier tubes for the super version upgrade.
Super Version include the following upgrades:
- 5U4G tube rectifier upgrade (can use 274B, 5R4, 5AR4, GZ32, 5V4, 53KU...etc, with 4pin to 8 pin converter, you can even use 80, 83.....etc)
- Enhanced power supply circuit and Tx upgrade
- Alumimum hybrid chassis upgrade
- Able to use EL32 and compatible tubes upgrade
IR motorized remote volume control add $180
The 6X5/5U4G tube rectifier can further upgrade by our super rectifier STR-104/ STR-1001 / STR-1002, 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.