Api Audio 3124V

The API "Console" DNA Adapted to a 1U Rack

The 3124V adopts the preamplification architecture that made API renowned in studios: a classic circuit design centered around the discrete API 2520 operational amplifier, combined with API transformers on both input and output. Notably, it includes the RE-115 K microphone input transformer as well as the output transformer used on the brand's products, preserving that characteristic punch, presence, and dynamic typical of API signal chains. Designed for easy integration into professional setups, the 3124V comes in a 19-inch, 1U rack format, ideal for building a dense and quickly deployable recording front-end.

A Preamp Designed for Fast Recording, From Home Studios to Professional Studios

With its 4 channels, the API 3124V targets sound engineers, producers, and musicians who want to capture multiple sources simultaneously without multiplying devices: overhead mic pairs, snare and kick, vocals plus ambient mic, or several instruments via DI. Its approach is straightforward: set the gain, adjust the output level, control polarity if needed, and monitor levels via the LED meters. In recording, it's especially appreciated for transient-rich sources (percussion, guitars, basses) thanks to a lively response and character that helps tracks "cut through" the mix.

Key Features: Control, Headroom, and Color on Demand

Variable Output Level: Optimize the Signal Chain and Saturation

The standout feature of this version is the variable output level control: you can push the gain to get more density and character, then adjust the level sent to the converter or console to avoid clipping. This is a real advantage for exploiting the sonic signature of the amplification stage and transformers while maintaining a controlled level on the following stage.

Switchable 3:1 Output Transformer: Tailor Tone and Interfacing

Each channel features a switchable 3:1 output transformer selection. This option allows you to adjust the output stage's behavior depending on the source and destination: more headroom before saturation, a different dynamic feel, and finer adaptation when feeding equipment with varying sensitivities. In practice, this becomes both a creative tool and a technical lever, especially when seeking the right balance between attack, thickness, and peak control.

Front Panel Controls: Efficiency in Sessions

The 3124V is designed for fast workflow. The 48 V phantom power is internal and switchable per channel on the front panel, facilitating use with condenser microphones without rear-panel manipulation. The -20 dB pad, also on the front, affects microphone and line inputs to handle high levels (snare, miked guitar amps, hot line outputs). The polarity inversion per channel helps quickly fix phase issues during multi-mic recordings.

High-Impedance Instrument Inputs: Ready-to-Record DIs

In addition to XLR inputs, the 3124V offers 4 high-impedance instrument inputs on 6.35 mm jack connectors. This is a simple solution for recording bass or guitar direct, capturing synths, or preparing clean tracks for reamping. Coupled with the API character, this DI section delivers clear, present takes that are easy to place in modern productions.

Technical specifications

Number of channels

4

Rack unit

1

4 high-impedance inputs

6.35 mm jack

Height

1U