API 3124+
Discrete 4 Channel Microphone / Instrument PreAmp with Front-panel Hi-Z Inputs and 65 dB Gain Range
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API fans rejoice! Finally you can have four API mic pre's in a single rack space. Or eight pre's in two rack spaces, or twelve in three... or, er, you get the idea.
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API's commitment to quality means the 3124+ provides a premium front end to a wide variety of audio applications. The 3124+ is designed with the professional engineer in mind, giving you four channels of premium preamp performance, while keeping the size and price at a reasonable level. Equally at home in the control room, the recording studio, and news or recording truck, at the house console, on the stage, direct-to-DAW, or at the artist's disposal for the source of their music or in your studio. This preamp gives you the great sound and performance characteristics that make API gear so popular among studios, engineers, and musicians. How? The model 3124+ utilizes the same microphone preamp circuit that is used in all API consoles. It uses the RE-115 K mic input transformer and the same output transformer that is used in all API equalizers. All four mic inputs of the 3124+ are powered by an internal 48 volt phantom power supply, front panel switchable for each channel. Also provided is a front panel 20 dB pad switch that effects both the Mic and Line in. You get plenty of headroom from this pre, whether you're plugging in a mic or an instrument. The model 3124+ can provide up to 65 dB of gain to an output clip level of +30 dBm. 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 take input levels as high as +22, making it perfect for keyboards and other high level devices. The rear output is an XLR connector.
API 3124+ Features :
- Uses API 2520 Op-Amp
- Classic Console Circuit
- Four XLR Mic Inputs
- Four 1/4" Un-Balanced Inputs
- Front Panel Polarity Switch
- Front Panel 20 dB PadSwitch
- Front Panel Mic/Line Switch
- Front Panel 48V Power Switch
- Output Clips at +30 dBm
API 3124+ 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 +4dBu
- Stereo Output Level: Unbalanced: nominal -2, Balanced: +4
- Clipping Level: XLR Channel Output better than +28dBm
- Frequency Response: +0, -5, 10Hz to 20kHz (-.5 at 10Hz)
- Noise EIN: -129 Mic, -125 Un-Bal. Actual
- Measured Noise: Better than -91dBm/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-ba;), VU, AC
- Dimensions: 19" x 1U x 8"
- Weight: 11 lbs.
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