6688 TUBE -Experience Pure Analog Sound with our Premium Vacuum Tube for High-Fidelity Audio Systems – Big River Hardware
Tubo electrónico de la nueva Unión Soviética, 6 metros, 9 generación, 6J9, 6688, E180F, E186F, 6j9 - AliExpress
![GE 6688 (E180F) Electron Tube "Made In The USA" 5960-00-820-8717 | eBay](https://i.ebayimg.com/images/g/btYAAOSwPB9dSLiH/s-l1200.webp "GE 6688 (E180F) Electron Tube "Made In The USA" 5960-00-820-8717 | eBay")
GE 6688 (E180F) Electron Tube "Made In The USA" 5960-00-820-8717 | eBay
JAN-6688=E180F Mullard branded Philips Holland gold pins 1966 (12.5ma)
One Pair Rare CV3998 (6688) Tubes by GEC of England, Gold Pin Class | eBay
Brand new (gold feet) WF EF861 electronic tube upgrade 6J9 6688 6j9 The sound quality is full and sweet, precise pairing. - AliExpress
One 6688 Tube, By G.E., Gold Pin, New | eBay
6J11P-E / E180F / 6688 Russian Tubes Lot of 10 NEW
NOS Tube Store: Amperex JAN CEP 6688 / E180F
6688/E180F line stage? | diyAudio
GE 6688 VACUUM TUBE NOS & TESTED | eBay
Tubes-Store.com → Other tubes → 6J9P-E / E180F / 6688 tube
6688 / E180F
Mullard E180F / 6688 Tube (1) | eBay
1 X 6688 GENERAL ELECTRIC TUBE. 1970s PROD. 14. CE808 | eBay
Tubes-Store.com → Other tubes → 6J1P-EV / 6Zh1P-EV / 6AK5 / EF95 / 6F32 / 6J1 Voskhod tube
300B schematic recommendations | diyAudio
Tubes-Store.com → Other tubes → 6J9P-E / E180F / 6688 tube
1 X 6688 GENERAL ELECTRIC TUBE. 1970s PROD. 14. CE808
General Electric 6688 5 Star Vacuum Tube New Old Stock - Etsy
6688 GE NOS 1966 (9ma)
6688 @ The Valve Museum
6688 GE 5 Star Pentode , New Old Stock
