Regenerative tube receiver 12AU7 or ECC83 under 12 volts This regenerative receiver works with a 12AU7 tube or an ECC83. It is powered by low voltage 12 volts. The tube filament is also heated to 1…

This Japanese single-ended, vacuum tube amplifier can be purchased in ‘kit’ form or fully assembled. Power output is 3.5 watts/channel. Supplied with Russian Sovtek tubes – 2A3 …