My Phono Stage Project Circuit design by Cornelius Morton |
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Circuit |
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I wanted to
attempt a phono preamp, knowing it would be a difficult task since noise
can be a real problem with the high gain required by a phono preamp.
My friend, Con designed a phono circuit and I went to work . The original circuit used one 6DJ8 and 1/2 of a 12AU7 per channel. The sound was good but I wanted more gain so the circuit was modified to use both halves of the 12AU7's. Now the gain was great, the sound was great and the noise is low. |
Separate tube rectified, DC, regulated power supply
Power Supply Circuit Phono Circuit The Pair Powered UP! Listening Tests
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