LOT OF x10 ELECTRON TUBE P/N E80CF (Equivalent to: 7643 / 6BL8 / ECF80) Philips | eBay
6F12P tube ~Equivalent ECF80 6Ф12П 9pcs Vacuum tube for AMP Triode-Pentode Valve | eBay
amplifier - Braking down amp tubes schematics (EL86, ECC83, ECF80) - Electrical Engineering Stack Exchange
Construction 25W single-ended Class A tube amp circuit diagram EL156 under Vacuum-Tube Valves Circuits -60295- : Next.gr
ECF 80, Tube ECF80; Röhre ECF 80 ID2409, Triode-Pentode | Radiomuseum.org
ECF80 Datasheet, Sharp-Cutoff Pentode.
6F12P tube ~Equivalent ECF80 6Ф12П 9pcs Vacuum tube for AMP Triode-Pentode Valve | eBay
Beijing 6F1 straight generation ECF80 inventory new tube - AliExpress
gRiMAg VALVES
E80CF TELEFUNKEN VALVE TRIODE PENTODO GOLD PREAMPLIFIER NOS / NIB
ECF80 rating | diyAudio
PHILIPS E.I. * ECF80 / 6BL8 * 1 pair of valves NOS NIB $37.00 - PicClick AU
6F12P tube X10 ~Equivalent ECF80 6Ф12П Vacuum tube for AMP Triode-Pentode Valve | eBay
TDSL Tube data [ECF80]
Tubes-Store.com → Other tubes → 6F1P / 6BL8 / ECF80 tube
Looking for opinions on this 6S19P tube based regulator | diyAudio
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
E80CF PHILIPS MINIWATT 6BL8 7643 TRIODE VALVE PENTODO S.Q. NOS/NIB
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
6F1P | Tube triode-pentode Analog: ECF80 / 6BL8 | Soviet-Tubes
6F12P tube X10 ~Equivalent ECF80 6Ф12П Vacuum tube for AMP Triode-Pentode Valve | eBay
Preamp tubes
6BL8 ECF80 Valves Amp Tube Triode Melbourne Australia
1961 British One Tube Regen | OneTubeRadio.com
