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Bias Fuse Lamp #55 for B&K Tube Testers
For B&K tube tester Models: 700, 707, 747, 747B and others
These are the exact type pilot lamps as the originals!

In many B&K tube testers this special bulb (type #55) is used as bias fuse lamp. The bulb is new and unused, of course. Please do NOT use any other bulb than this type!

Lamp Data:
Type: #55
Voltage: 7 V
Current: 0.414 A
Power: 2.9 W
Socket: BA9s (brass)
Filament: C2R
Glass type: G4-1/2 clear
Alias names: GE-55, No.55, CM-55, USA-55, 55TS-55

We also have other special tube tester parts on stock. Please ask us!