Z2b
Full-Wave Rectifier
Power-supply tube
G7K
Seven-Pin Base
Telephone base format
4 V
Heater
Indirectly heated type
One vintage Siemens Z2b full-wave rectifier for telephone and postal-service equipment, with seven-pin telephone base, original yellow identification band and period paper seal. The label, seal, metal collar, pins and glass show age-related cosmetic wear. Please inspect all photographs carefully for the exact condition. Tested at 100% on a Metrix U61B valve tester.
Condition and test information: This is a tested vintage tube. No claim of NOS or unused condition is made.
Fixed Price
€79
For one tube
Shipping & Customs- Tracked express courier delivery
- Professional shock-resistant packaging
- Non-EU buyers should check applicable import charges
- Please inspect all photographs carefully before purchasing
#0236