API 512v 500 Series Discrete Microphone Preamp
Best professional grade preamp for capturing iconic studio sounds.
Experience the legendary API sound with the 512v 500 Series Discrete Microphone Preamp. This versatile unit offers exceptional clarity and a rich, musical analog tone, perfect for professional studios and home setups. It provides ample gain for microphones, line, and instrument sources, featuring switchable phantom power, a -20 dB pad, and polarity switching. The front-panel combo input and selectable output transformer taps offer enhanced control and flexible connectivity, all within the convenient 500 Series modular format.
$995.00
More 512 Options
Owner Satisfaction
4.7
/ 5
Category Rank
44
/ 565
#44 in Microphone Preamps
Price vs Category Average
-39%
Below average
Gain
65
/ dB (Mic)
Who it's for
- Audio engineers aiming for a classic, impactful sound
- Creative producers exploring a wide range of sonic colors
- Studio professionals investing in long-lasting, high-performance equipment
Who should skip it
- Budget-conscious creators or new studio builders
- Engineers prioritizing extreme transparency or neutrality
- Beginners seeking a simple, plug-and-play recording solution
Performance breakdown
Sonic Character
The iconic 2520 op-amp delivers that unmistakable, punchy analog warmth.
Gain Versatility
Ample headroom handles everything from delicate ribbons to high-output condensers.
Input Flexibility
Front-panel combo jacks make switching between mic and instrument sources effortless.
Signal Control
Switchable transformer taps provide creative options for shaping your output signal.
Build Quality
Rugged, discrete circuitry built to withstand years of demanding studio use.
Integration Ease
The 500 Series format allows for seamless expansion within any rack.
Key Specs
Gain
65 dB (Mic)
Gain
45 dB (Line/Instrument)
Output Transformer Tap
Switchable 3:1
Input Connector
Combo XLR + 1/4-inch
Phantom Power
48V Switchable
Pad
-20 dB Switchable
Metering
LED VU Meter
Op Amp
API 2520
Features
- Legendary API sonic signature
- Versatile mic, line, and instrument inputs
- Enhanced control with output level and transformer tap
- Front-panel combo XLR and 1/4-inch input
- Switchable 48V phantom power
- 20dB pad for hot signals
- Classic 2520 Op Amp for rich analog sound
- 500 Series modular format for flexibility
What customers say
Customers consistently praise the API 512v for its exceptional sound quality and robust build. Users frequently highlight its classic API punch and clarity, making it a go to choice for drums, guitars, and vocals. The preamp delivers a distinct sonic character that many describe as warm, articulate, and powerful. Its reliable performance and professional grade construction instill high confidence among engineers and producers. While an investment, its consistent high end results are widely considered worth the price.
Know before you buy
The 512v retains the classic 512c circuitry and 2520 op-amp but adds two key features: a variable output level control for precise gain staging and a 3:1 output transformer tap switch that allows you to drive the preamp harder for more tonal coloration.
Yes, the front-panel combo jack accepts both XLR and 1/4" inputs, making it easy to plug in instruments directly without needing an external DI box.
This switch allows you to attenuate the output signal by 3:1. It is particularly useful if you want to push the preamp's gain for a saturated, vintage sound while keeping the final output level low enough to avoid clipping your interface or converter.
With 65dB of gain, the 512v is capable of driving most ribbon microphones effectively. However, if you are recording very quiet sources with a low-output ribbon mic, you may find yourself pushing the gain near its maximum.
Yes, the 512v follows the standard 500 Series form factor and is compatible with any standard 500 Series rack or lunchbox that provides the necessary power requirements.
The 512v features a built-in LED VU meter on the front panel, which provides a clear visual reference for your gain levels to help you maintain a healthy signal path.
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