ECF 80, Tube ECF80; Röhre ECF 80 ID2409, Triode-Pentode | Radiomuseum.org
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
ECF80 and ECF82 - UK Vintage Radio Repair and Restoration Discussion Forum
1961 British One Tube Regen | OneTubeRadio.com
6F12P tube ~Equivalent ECF80 6Ф12П 9pcs Vacuum tube for AMP Triode-Pentode Valve | eBay
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
E80CF TELEFUNKEN VALVE TRIODE PENTODO GOLD PREAMPLIFIER NOS / NIB
gRiMAg VALVES
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
6F12P tube X10 ~Equivalent ECF80 6Ф12П Vacuum tube for AMP Triode-Pentode Valve | eBay
Tubes-Store.com → Other tubes → 6F1P / 6BL8 / ECF80 tube
ECF80 rating | diyAudio
E80CF / 7643 / 6BL8 / CV5215 / ECF80 Universal Pentode Triode AUDIO
6F12P tube ~Equivalent ECF80 6Ф12П 9pcs Vacuum tube for AMP Triode-Pentode Valve | eBay
PHILIPS E.I. * ECF80 / 6BL8 * 1 pair of valves NOS NIB $37.00 - PicClick AU
Preamp tubes
6BL8 ECF80 Valves Amp Tube Triode Melbourne Australia
Construction 25W single-ended Class A tube amp circuit diagram EL156 under Vacuum-Tube Valves Circuits -60295- : Next.gr
ECF80/6BL8 | MATSUSHITA | TRIODE-HEPTODE TUBE At 6 € HT on Electols
Beijing 6F1 straight generation ECF80 inventory new tube - AliExpress
LOT OF x10 ELECTRON TUBE P/N E80CF (Equivalent to: 7643 / 6BL8 / ECF80) Philips | eBay
ECF80 @ The Valve Museum
amplifier - Braking down amp tubes schematics (EL86, ECC83, ECF80) - Electrical Engineering Stack Exchange
ZAERIX * ECF80 / 6BL8 * 1 Pair / 2 valves NOS $29.00 - PicClick AU
ECF80 Datasheet PDF ( Pinout ) - Triode - Pentode
SM5CBW - Tubedata
