API 512c Discrete Microphone / Line Preamplifier Large Diaphragm Condenser Mics 4 dBv maximum before clipping

4 dBv maximum before clipping (+ 28 VDC supplies)

including VST

This will eliminate 48 volts from damaging the 560A series equalizers

maybe also the Mono button

API 512c Discrete Microphone / Line Preamplifier Large Diaphragm Condenser Mics 4 dBv maximum before clippingAPI 512C Discrete Mic Line Pre Offering low noise ( 129 EIN) and 65 dB of gain, the 512c includes phantom power, and switchable polarity, 20 dB pad and Mic or Instrument Line selector. Front panel XLR and 1 4 inch connectors combined with rear panel mic access allows for additional flexibility when installed into an API lunchbox, API's 10 position 500V vertical rack, or an API console. The API 512c remains faithful to the circuit designs of API's