API 3124MV Four-Channel Preamp With Stereo Mixer
Best premium preamplification for professional studio recording.
The API 3124MV is a four-channel preamp that builds upon the classic 312 circuit, incorporating a built-in stereo mixer. This unit offers individual channel output level controls, stereo panning, and post-fader aux sends, providing enhanced flexibility for multi-mic recording in live or studio environments. It features transformer-coupled designs for both mic input and output, utilizing API's renowned 2520 op-amps for its signature sound. The 3124MV also includes Hi-Z front-panel inputs for instruments like guitars and basses, along with a stereo effects return for integrating external processing or cascading additional mixers.
$3795.00
Owner Satisfaction
4.7
/ 5
Category Rank
24
/ 1134
#24 in Audio Mixers
Price vs Category Average
+295%
Above average
Input Impedance
1500470
/ ohms mic, k ohms unbalanced, Hi-Z in
Who it's for
- Audio engineers seeking a classic, vibrant sound for their recordings.
- Producers who want precise gain staging and tonal shaping capabilities.
- Recording artists needing efficient sub-mixing for complex instrument arrangements.
Who should skip it
- Budget-conscious producers or hobbyists building their first studio.
- Engineers prioritizing absolute transparency or a neutral sonic palette.
- Studios frequently tracking full bands or large ensembles.
Performance breakdown
Sonic Character
Legendary 2520 op-amps deliver that punchy, classic API harmonic richness.
Routing Flexibility
Integrated stereo mixer and aux sends offer exceptional control for multi-mic setups.
Build Integrity
Rugged transformer-coupled design built to withstand years of demanding studio use.
Input Versatility
Front-panel Hi-Z inputs make tracking instruments direct and incredibly convenient.
Gain Precision
Wide gain range handles everything from ribbon mics to high-output instruments.
Modern Integration
Lacks digital connectivity, focusing purely on high-end analog signal paths.
Key Specs
Input Impedance
1500 ohms mic, 470k ohms unbalanced, Hi-Z in
Output Impedance
Less than 75 ohms channel outputs
Nominal Levels
XLR channel output +4dBu
Stereo Output Level
Unbalanced: nominal -2, Balanced: +4
Frequency Response
+0, -5, 10Hz to 20kHz (-.5 at 10Hz)
Noise EIN
-129 mic, -125 unbal. actual
Measured Noise
Better than -91dBm / below nominal +4dBu
Distortion
All outputs at +4 out, .03%, at +22, .09% Max
Features
- Classic API preamps with stereo mixer
- Individual channel level and pan controls
- Post-fader aux send and stereo return
- Discrete, transformer-coupled design
- Hi-Z front-panel inputs for instruments
- Switchable 3:1 output transformer tap
- Front-panel polarity and pad switches
- 1/4" TRS insert per channel
What customers say
Customers consistently praise the API 3124MV for its exceptional sound quality, noting the signature API punch and clarity it brings to recordings. Users frequently highlight the robust build and professional grade components, ensuring long term reliability in demanding studio environments. The unit's straightforward operation and consistent performance are also highly valued, making it a trusted workhorse for engineers seeking premium audio capture without compromise. This preamp is celebrated for its ability to deliver consistent, high fidelity results across various instruments and vocal applications.
Know before you buy
Yes, the unit features Hi-Z front-panel inputs specifically designed for instruments like guitars and basses, allowing you to plug directly into the preamp.
Absolutely. The 3124MV includes a stereo effects return, which allows you to integrate external processing or even cascade additional mixers into your signal chain.
The 3:1 output transformer tap provides a lower output level, which is useful when you need to drive the preamp harder to achieve more saturation without clipping your converters or downstream gear.
Yes, the 3124MV is designed to be rack-mountable and occupies 1U of rack space, making it a compact solution for integrating four high-quality API preamps into your studio setup.
Yes, each of the four channels features independent gain, polarity, pad switches, and level controls, along with a 1/4" TRS insert for adding outboard processing to specific channels.
Yes, the 3124MV includes switchable 48V phantom power for each of the four microphone preamps, allowing you to use a wide variety of professional condenser microphones.
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$3795