API 3124+ 4-Way Mic / Line Preamp / DI – Discontinued

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SKU: 3124 Categories: , ,
Brands: API Audio


The API 3124+ is a high quality, compact, 4-channel mic preamp. It is equipped with the RE-115 K mic input transformer and the proprietary API yield transformer found in the 512c lone mic pre and all through the API merchandise line. The unit has an internal 48-volt phantom power supply, which is switch-able for each conduit, as well as -20dB pad switches that sway both the mic and Hi-Z equipment inputs, both located on the front section.

Another characteristic of the 3124+ is that it can supply up to 65dB of gain to an yield clip level of +28dBu. Additionally, the Hi-Z front section inputs feed exactly to the op amps, which al-reduced a reduced grade input such as a guitar or bass to be magnified without a equivalent transformer or direct carton. These Hi-Z inputs can take input grades as high as +20dBu, making them flawless for keyboards and other high grade apparatus. The mic preamp outputs are on back panel male XLR connectors.

The main features of the API 3124+ include:

• Uses API 2520 Op Amps
• Classic API console circuit
• Four female XLR mic inputs
• Four front panel 1/4″ Hi Z instrument inputs
• Front panel polarity switches
• Front panel -20dB pad switches
• Front panel mic/instrument switches
• Front panel 48V power switches
• Outputs clip at +28dBu


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Additional information

Weight 10 kg


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