SM5CBW - Tubedata
E80CF / 7643 / 6BL8 / CV5215 / ECF80 Universal Pentode Triode AUDIO
7199 @ The Valve Museum
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
ECF80 Datasheet, Sharp-Cutoff Pentode.
ECF80 Datasheet, Sharp-Cutoff Pentode.
ECF80 rating | diyAudio
6F12P tube X10 ~Equivalent ECF80 6Ф12П Vacuum tube for AMP Triode-Pentode Valve | eBay
Beijing 6F1 straight generation ECF80 inventory new tube - AliExpress
amplifier - Braking down amp tubes schematics (EL86, ECC83, ECF80) - Electrical Engineering Stack Exchange
Preamp tubes
ECF80 @ The Valve Museum
Audio kit: Tube Amplifier 30Watt ECF80(6BL8, 6Φ1Π) 6L6(6Π3C)
Tubes-Store.com → Other tubes → 6F1P / 6BL8 / ECF80 tube
ECF80 Datasheet PDF ( Pinout ) - Triode - Pentode
TDSL Tube data [ECF80]
E80CF TELEFUNKEN VALVE TRIODE PENTODO GOLD PREAMPLIFIER NOS / NIB
6F12P tube ~Equivalent ECF80 6Ф12П 9pcs Vacuum tube for AMP Triode-Pentode Valve | eBay
LOT OF x10 ELECTRON TUBE P/N E80CF (Equivalent to: 7643 / 6BL8 / ECF80) Philips | eBay
Looking for opinions on this 6S19P tube based regulator | diyAudio
1961 British One Tube Regen | OneTubeRadio.com
