GML 2032 Mic Pre/Equalizer Professional Single Channel Strip

GML 2032 Mic Pre/Equalizer Professional Single Channel Strip

The Model 2032 Microphone Preamplifier / Parametric Equalizer is a single-channel, multi-input device for high-resolution studio and remote applications. Based on the reference-standard Model 8300 Transformerless Microphone Preamplifier and Model 8200 Parametric Equalizer, this flexible 1U processor continues the GML engineering tradition while bringing the utmost in transparency, detail, and musicality to an affordable, compact form factor. The GML 2032 includes its own internal power supply.

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Input

• Microphone: 1 kΩ balanced, >80dB CMRR, +17dBu max input before clipping Insert
• In: 20 kΩ balanced bridging, >40dB CMRR, +21dBu max input before clipping
• MI: 1 MΩ unbalanced, +8.5dBu maximum input before clipping

Throughput

• Bandwidth:
• -0.1dB / +0.002dB, <10Hz to >30kHz, worst-case
• -3dB, >300kHz and <<10Hz, typical
• <0.003% Harmonic distortion, 20Hz to 20kHz, typical
• <0.006% SMPTE Intermodulation distortion, typical
• 30v/usec discrete low-noise precision operational amplifiers, GML 9202
• Noise:
• -80dBu broadband, EQ engaged, typical
• -112dBu EIN, MI input
• -120dBu EIN, Microphone input (Rs = 150Ω, 30kHz BW), worst-case
• -80dB crosstalk, 20Hz to 20kHz, worst case

Form Factor

• One channel, multi-input, gain, filter, parametric equalizer with insert capability and internal power supply
• Inputs: Mic (balanced, XLR), MI (Musical Instrument; unbalanced, 1/4" TS)
• Gain control: +15dB to +70dB, 5dB steps
• Fine control: -5dB to +5dB, continuously variable
• Phase switch, Phantom power (P48) switch
• Filter - Second-order Butterworth active high-pass filter; 100Hz, flat, 40Hz
• Insert control: split parametric equalizer from preamplifier
• EQ section: four bands, fully parametric, continuously variable controls
• EQ IN switch
• Overload (OL) indicator: peak indication, preamplifier and equalizer

Output

• +27.0 dBv clipping
• 3-wire unbalanced XLR (pin 2 hot)
• < 3 mV output offset max, stabilized by D.C. servo correction, direct couple