6 pcs 6F1P / 6AX8 / ECF80 / 6U8 Triode-Penthode Tubes New USSR NOS | eBay
Coppia: Philips ECG JAN 6U8A tubi a vuoto nuovo vecchio stock scatola originale ottime condizioni codici data corrispondenti tubo NOS 6U8 - Etsy Italia
1PC 7199 Tube TO 6U8 6U8A ECF82 ECF802 6F2 6GH8 amplificatore per presa a tubo per vuoto Audio fai-da-te adattatore per presa di conversione tubo Vintage - AliExpress
JEMOSA Convert Tube Socket Tube 6U8 (Top) TO 7199 (bottom) Vacuum Tube DIY Audio Amplifier Convert Socket Adapter 1PC (A 6U8 TO 7199) : Amazon.ca: Musical Instruments, Stage & Studio
JEMOSA Convert Tube Socket Tube 6U8 (Top) TO 7199 (bottom) Vacuum Tube DIY Audio Amplifier Convert Socket Adapter 1PC (A 6U8 TO 7199) : Amazon.ca: Musical Instruments, Stage & Studio
Anybody use this 6u8 preamp design? Any opinions? - 18Watt.com
TESLA ECF82 / 6U8 "NOS" pentodo triodo a guadagno variabile
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6U8/ECF8/6F1 tube as reverb driver/recovery - Music Electronics Forum
6U8 (6F2) electron tube pushes 6P3P single-ended Class A power amplifier board LG55D, power 6WX2, sound effect is very good - AliExpress