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The completion of wiring of pre-amplifier. But the RIAA circuit is not rigidly fixed. I manually move the parts to find that position which does not pick up hum noise. |
The building of 845/845 push-pull phono preamp-power amp.
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The completion of wiring of pre-amplifier. But the RIAA circuit is not rigidly fixed. I manually move the parts to find that position which does not pick up hum noise. |