| Country of Origin | Czechia |
|---|---|
| Brand | Marvin Audio |
| Compatible Brand | TES, Universal |
| Type | AB-Oi |
| Unit Type | Unit |
| Unit Quantity | 1 |
| Amplifier Class | A, AB, B |
Check the listing for details. Auto Bias Module for 8 tubes (one PCB to control 8 power tubes). Condition: New, Made in Czechia. Listed at 109.00 USD. Auto Bias servo for 8 PushPull Tubes. Optimum utilization of tube life. Current regulation not influenced by music signal. ABS Module Features.
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