Matched Pair Siemens E81L / 6686 SQ Vacuum Tubes Tested 100/103% Germany
USD 55.00 USD
Specifications
| Brand | Siemens |
| Type | Vacuum Tube |
| Unit Type | Unit |
| Model | E81L |
| MPN | E81L |
| Country Of Origin | Germany |
These tubes have a Noval 9-pin base and gold-plated pins. Model: E81L / 6686. Tube 2: 103%. Tube Type: SQ Output Pentode. Both tubes test strong and very close to each other on the tester scale. Test results are shown in the photos.
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