API 512v Mic/Line/Instrument Preamp – 500 Series

The API 512v is a remarkably musical and transparent 500 Series mic preamp, delivering up to 65 dB of gain with API’s classic analog tone, low noise performance, and exceptional headroom. Designed for studio professionals, this versatile preamp also functions as a high-quality line and instrument preamp with up to 45 dB of gain for instruments, keyboards, and outboard sources.

Built on API’s legendary fully discrete circuit design and powered by the iconic 2520 op amp, the 512v offers the warm, punchy character that has made API a mainstay in studios worldwide. It boasts an ultra-low noise floor with a stunning -129 dBu EIN, making it ideal for critical vocal and instrument tracking.

Front and rear panel mic input access offers flexible studio integration, while the front panel also features a dedicated line/instrument input. Essential features include switchable 48V phantom power, a 20 dB pad (applicable to all inputs), and a clear LED VU meter for monitoring output levels.

Key Features:

• 65 dB of gain for microphone input
• Front and rear panel XLR mic input access
• Line/instrument preamp with 45 dB of gain
• Front panel line/instrument 1/4” input
• LED VU meter for output level monitoring
• 20 dB pad switch affects mic, line, and instrument inputs
• 48V phantom power switchable on front panel
• Ultra-low noise performance: -129 dBu EIN
• API 2520 op amp and fully discrete circuit design
• Fits all standard 500 Series racks
• Covered by API’s exclusive 5-Year Warranty

The API 512v delivers world-class analog performance in a compact 500 Series format, offering pristine gain, flexible input options, and legendary API tone — an essential tool for engineers who demand both quality and reliability in any recording or live environment.