7199 Vacuum Tubes (Pair) Dynaco ST-70 / ST-35 Driver Phase Inverter

Pair of Lafayette 7199 Tubes – Tested on UTracer 6 – Dynaco ST-70 / SCA-35 – EU Only. Price is for the pair. No shorts, no gas. μ: 17 (103% of nominal). μ: 17 (nominal). Gm: 2.21 mA/V (105% of 2.1 mA/V).

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