OddMix VACUUM TUBE - 7F8 |
7F8 Medium-Mu Twin Triode RCA Radiotron Electron Tube
This is a rare, original RCA 7F8 Radiotron Medium-Mu Twin Triode electron tube. This tube was developed for direct-coupled cathode-drive and push-pull direct-coupled cathode-drive RF amplifiers. It has high enough maximum frequency to allow it's use in television tuners in the VHF range and also it is a good general purpose dual triode replacement. It is new, unused, boxed, excellent condition. Excellent for antique radio restoration, projects, guitar amplifiers or to set up a private vacuum tube museum. First come first serve, as only one of this historical vacuum tube available!
Features: • 7F8 Medium-Mu Twin Triode Electron Tube • MFG: RCA Radiotron • Quality Made in USA • RF Amplifier, Oscillator • Heater: 6.3 V, 0.3 A • Plate: 250 Vmax, 6 mAmax • Base: 9-pin loctal Notes: • NOS - New Old Stock tube • Original box • Unused - Price: $30 - One available • S/H included within continental US |
7F8 Loctal 8-Pin All Glass Electronic Vacuum Tube Electrode Connections
PIN # | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Electrodes | Grid T2 | Heater | Anode T2 | Cath T2 | Cath T1 | Anode T1 | Heater | Grid T1 |
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