Antique Uncommon Benjamin Electric Arc Rectifier Bulb E-39 Mongol 4 Volt Tungar
USD 100.00 USD
Specifications
| Brand | Benjamin Electric |
| Type | Vacuum Tube |
| Unit Type | Unit |
| Model | 4-2050 |
| Country Of Origin | United States |
(It says on the bulb Maybe heat?). This is a very rare example, and I cannot seem to find much about these anywhere. 24-32V before instability/possible catastrophic failure. Maximum input 3.5-4.0V @ 3-4A.
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