Preamplifier and high-to-low impedance converter

Posted on Jul 4, 2012

Thiscircuit matches the very high impedance of ceramic cartridges, unity gain, and low impedance output. By `loading` the cartridge with a 2M2 input resistance, the cartridge characteristics are such as to quite closely compensate for the RIAA recording curve.

Preamplifier and high-to-low impedance converter
Click here to download the full size of the above Circuit.

The output from this preamp may be fed to a level pot for mixing.

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