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grant fidelity w30 gt

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    EL34B bias issue on Grant Fidelity W30 GT

    I've changed the KT88 on the Grant Fidelity W30 GT for EL34Bs. Before I swapped the valves I dialed down the bias to .35v as recommend . The newly installed EL34Bs bias readings are less that .03 volts DC which is ten times less the .35 to .40 volts range indicated in the manual . Has...
    • Edzacc
    • Thread
    • bias settings el34b grant fidelity w30 gt
    • Replies: 0
    • Forum: Grant Fidelity
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