Schematics and PCB for a microphone preamp with phantom power
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Updated
Sep 21, 2021
Schematics and PCB for a microphone preamp with phantom power
Electret Microphone Preamp based on Texas Instruments Single-Supply, Electret Microphone Pre-Amplifier Reference Design by John Caldwell
A preamp and digital crossover
🔊 Analog Source Pre Enhancer 🔊
1985-2021: Douglas Self's classic Nov 1976 Wireless World discrete transistor op-amp preamplifier. First built in 1985 (rehoused 2021), and later completely rebuilt.
CSR64215 + PCM5102 + PreAMP(Dual OPA227)
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