API Audio 312

API Audio 312 – 500 Series mic preamp based on Saul Walker's original designs. Uses 2520 op-amps and proprietary AP2516 transformers for analog warmth, headroom, and classic API sound.

Up to 69dB gain, switchable 3:1 output transformer tap for saturation, -20dB pad, 48V phantom, polarity reverse, VU meter, peak LED. Ideal for mics, ribbons, dynamics.

MAIN FEATURES

• 69dB gain for ribbons/low-output mics
• 3:1 transformer tap for drive
• Pad, phantom, polarity switches
• VU meter and peak LED
• Single-slot 500 Series
• 5-year warranty

TECHNICAL SPECIFICATIONS

• Inputs: XLR mic/line (balanced)
• Outputs: XLR balanced
• Gain: Up to 69dB
• Frequency Response: Not specified (vintage-style)
• THD + Noise: Low distortion
• Power: 500 Series slot
• Dimensions: Single-slot module
• Weight: Not specified
• Included: 312 module
• Product Code: 312