6922-GB-GOLD Tube,Twin Triode 6922/E88CC Great Britain
Tr2 6dj8 Ecc88 E88cc 6922 Tube Buffer Pre-amplifier Preamp For Dac Cd Player Juitarbox Audio Source,+-power Supply Good Sounding - Home Theater Amplifiers - AliExpress
Tube Amp Doctor RT-6922 - TAD 6922/E88CC Premium Select High-Mu Twin Triode | Keymusic