API 3124MV

MPN #3124MV

$4549.00

Save 13.7%, MSRP $5272.00

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Discrete 4 channels mic/line pre with stereo mixer

The 3124MV is designed with the professional engineer in mind, it gives four channels of the highest possible quality mic preamp. However, the 3124MV provides an additional audio mixer with a transformer balanced output, keeping the unit size and price reasonable.

The 3124MV utilizes the same microphone preamp circuit that is used in all API consoles. It uses the RE-115 K mic input transformer along with the same output transformer that is used in API equalizers. The unit offers Variable Output Level Control, switchable 3:1 output transformer selection, and an internal 48-volt phantom power supply, which is front panel switchable for each channel. Also provided is a front panel -20 dB pad switch that affects both the mic and line in. A 1/4" phone jack is available on the rear panel for each channel as an insert tip-send/ ring-return placed between the mic pre amp output and the mixer input.

The 3124MV provides up to 65 dB of gain. The Hi-Z front panel input goes directly to the op-amp, allowing a low level input such as a guitar or bass to be amplified without a matching transformer or direct box. This Hi-Z input can accept input levels as high as +20 dBu, making it perfect for keyboards and other high level devices. The rear output is an XLR connector.

Additionally, the 3124MV adds a stereo panner with a level control, and a post "fader" aux send. The stereo panners and the aux sends are bussed to master output controls and then to the rear panel jacks. A stereo AUX return is provided to return effects or cascade additional mixers for more inputs. The unique stereo aux return control acts to balance the left/right signal, yet staying stereo. It can also be used as a mono return.

Features

Classic API Circuit Design

Uses API 2520 Op Amps

Variable Output Level Control

3:1 Output Transformer Tap Selection

Four XLR Mic Inputs

Four 1/4" Un-Balanced Inputs

Front Panel Polarity Switch

Front Panel 20 dB Pad Switch

Front Panel Mic/Line Switch

Front Panel 48V Power Switch

Specifications

Input Impedance: 1500 Ohms Mic, 470 K Ohms Un-Balanced, HI-Z in
Output Impedance: Less than 75 Ohms Channel Outputs
Nominal Levels: XLR Channel Output +4 dBu

Stereo Output Level

Unbalanced: nominal -2

Balanced: +4

Frequency Response: +0, -5, 10 Hz to 20 kHz (-.5 at 10 Hz)
Noise EIN: -129 Mic, -125 Un-Bal. Actual
Measured Noise: Better than -91 dBm / below Nominal +4.
Distortion: All Outputs at +4 out, .03%, at +22, .09% Max
Gain Range: 150 Ohms Input 10 dB Min., 65 dB Max (inc. PAD), Un-Bal. Input 14 dB Min., 50 dB Max
VU Meter: Calibrated for XLR Outputs, OVU=+4 dBu, (-12, -6, -3, 0, +3, +6, +18)
Controls: GAIN, PAD (20 dB), 48Volts, POL (polarity), MIC (mic/un-bal), VU, AC
Power Consumption, Quiescent: 19.2 Watts
Size: 19" X 1.75" (1U) X 10.5" Deep
Size (Boxed for Shipping): 23.25" X 6.5" X 16"
Actual Weight: 11.54 lbs.
Shipping Weight: 15.3 lbs.

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