• Microphone, line and instrument preamps with up to 65 dB gain for microphone inputs and 45 dB gain for line and instrument signals
• Variable output level control for precise control of the output signal
• 3:1 output transformer tap for alternative sound characteristics
• front and rear microphone inputs for flexible connection options
• Combined XLR and 1/4" front panel input for line and instrument signals
• LED VU meter for level indication for easy signal monitoring
• -20 dB pad switch for mic, line and instrument inputs for level adjustment
• 48V phantom power switch for the use of condenser microphones
• Fully discrete API circuit with legendary 2520 op-amp for warm and detailed sound
• handcrafted with proprietary API transformers for maximum fidelity
• robust construction for maximum reliability in professional studios and mobile applications
• compatible with API Lunchbox, API 10-Slot 500V Rack and API Consoles for seamless integration

Innovative features for professional audio quality

The variable output level allows the user to precisely control the gain, while the 3:1 output transformer tap selection provides additional sound diversity. An LED VU meter provides a clear visual indication of the signal level, while the -20 dB pad switch ensures optimum level adjustment for different input signals.

Versatile connection options for maximum compatibility

The API 512v features front and rear mic inputs for flexible use. A combined XLR and 1/4-inch front connector provides direct access for line and instrument signals, making the preamp ideal for a variety of recording scenarios. The 48V phantom power is switchable and supports the operation of condenser microphones.

API quality with proven technology

The 512v stays true to Saul Walker's original API circuit design and combines it with proprietary transformers and the legendary 2520 op-amp. This combination provides a warm, rich sound with exceptional clarity and dynamics.

Robust and reliable for studio and live applications

Like all API products, the 512v is characterized by its high build quality, reliability and durability. Handcrafted with first-class components, it meets the highest demands in professional studios and mobile setups.

Perfect for any studio environment

The API 512v is compatible with the API Lunchbox, the API 10-Slot 500V Rack and API consoles and is ideal for commercial recording studios, home studios and live setups. With its combination of traditional API technology, flexible connection options and precise EQ, the 512v sets new standards for professional preamps.

Experience the legendary API sound with the versatile API 512v preamp.