Matched Pair Siemens E81L / 6686 SQ Vacuum Tubes – Tested Strong
USD 55.00 USD
Specifications
| Brand | Siemens |
| Type | Vacuum Tube |
| Unit Type | Unit |
| Model | E81L |
| MPN | E81L |
| Country Of Origin | Germany |
These are E81L / 6686 tubes. They are not advertised as EF95 / 6AK5 equivalents. Model: E81L / 6686. The pair is reasonably matched, with both tubes testing strong. Test results are shown in the photos.
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