EL34 Telefunken OO-getter double matched quad
890,00 €
RoeTest V10 kontrolliert. Rö.2: 93mA 11,4mA/V Rö.3: 94mA 11,7mA/V Rö.4: 94,5mA 11,6mA/V No gas or too high grid current (Ig1 is the third value below in µA). Rö.1: 93mA 11,3mA/V. All tubes played for several hours in the amplifier to stabilize the values.
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