Electro-Harmonix 6922 Preamp Tube - AmpTubes for all your tube needs.
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
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AMPEREX USN CEP 6922 6Dj8 Tube 1963 Match Pair Holy Grail Best Tone Ever2 £470.42 - PicClick UK
6922=E88CC Tesla Czech Republic NOS 1980
Aum Acoustics 2nd Harmonics Tube Buffer
Amperex PQ 6922 E88CC Preamp Tube - Holland 1968 - Strong NOS | eBay