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API 512c Discrete 500 series Microphone Preamp

Please contact me with information about availability and pricing for API 512c Discrete 500 series Microphone Preamp

The API 512C preamp is well know for it's tight, powerful character. Ideal for that classic punchy guitar sound from the 70's. Now in a convenient 500 series form. The API 512c is a mic / line / instrument preamp designed to provide a low noise, unusually good sounding front end for all types of audio systems. Sonically, it offers the distinct API sound at an extremely affordable price.

Requires a 500 series rack unit to operate


        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 founder, Saul Walker. Fully featured and still hand assembled, the 512c carefully preserves the original sound character that made it so much a part of the early days of recording. Offering high headroom and a wide variety of inputs and input access points, it is equally at home in the commercial recording studio as it is in the home project studio.

        The 512c Mic/Line Preamp makes use of the 2520 op-amp and therefore exhibits the reliability, long life, and uniformity which are characteristic of all API products.


        Mic Preamp with 65 dB of gain
        Front and Back Panel Mic Input Access
        Line/Instrument Preamp with 45 dB of gain
        Front Panel Line/Instrument Input
        LED VU meter for monitoring output level
        20 dB pad switch, applies to mic/line/instrument
        48v Phantom switchable power
        Traditional API fully discrete circuit design
        Uses the famous API 2520 Op-Amp