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7H7 Semi-Remote Cutoff Pentode Sylvania Vacuum Electronic Amplifier Tube

This is a rare, original Sylvania 7H7 semi-remote cutoff pentode electronic vacuum tube, a discontinued, antique vacuum tube. This 8-pin loctal, all glass type tube may be used as AF (Audio Frequency), RF (Radio Frequency) or IF (Intermediate Frequency) class-A amplifier or oscillator. 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!
7H7 Sylvania Semi-Remote Cutoff Pentode Amplifier Class-A Vacuum Electronic Tube [6 KB]
HARD TO FIND - HISTORICAL TUBE

Features:

7H7 Semi-Remote Cutoff Pentode
MFG: Sylvania High quality Made in USA
Amplifier, Oscillator
Heater: 7.2 V, 0.3 A
Plate: 250 Vmax, 10.0 mAmax
Base: 9-pin loctal

Notes:

OEM tube Without box
Unused - Price: $20 - One available
S/H included within continental US
7H7 Loctal 9-Pin All Glass Electronic Vacuum Tube Electrode Connections
PIN # 1 2 3 4 5 6 7 8
Electrodes Heater Anode Grid-2 Grid-3 SH ISH Grid-1 Cathode Heater
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