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Product 189911

GML 2032 Single Channel Mic Pre with Parametric EQ   

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The GML Model 2032 is a single channel mic preamp that incorporates the reference-standard 8200 Parametric Equalizer and renowned 8300 mic preamplifi...Click To Read More About This Product

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OVERVIEW

A mic preamp/parametric EQ with exceptional flexibility and sonic accuracy.

The GML Model 2032 is a single channel mic preamp that incorporates the reference-standard 8200 Parametric Equalizer and renowned 8300 mic preamplifier. The GML 2032 is a transformerless design that embodies the legendary detail and accuracy for which GML is renowned.

The power and functionality of these revolutionary processors is further coupled with the addition of a front panel musical instrument input, two position high-pass filter, front panel phantom and phase switching, and flexible routing options while maintaining the GML standard of performance and transparency.

Preamplifier
The preamplifier section of the Model 2032 Microphone Preamplifier / Parametric Equalizer is based on the gain stage of the Model 8300 Transformerless Microphone Preamplifier, though there are some design changes and a few additions to expand its capabilities further than is realized in the highly specialized Model 8300 mic preamp.

Two input formats are accommodated on the Model 2032: an Input XLR connector is provided on the back panel for microphone input, while the front panel sports a 1/4" unbalanced musical instrument connector. Input signal selection is determined by the Source toggle switch. The microphone input of the Model 2032 is an exact copy of the Model 8300 input circuitry, complete with 48V phantom power and subsequent 2-pole phantom filter. Unlike the Model 8300, the phantom power switch is conveniently located on the front panel and is illuminated to warn the user that phantom power is ON. The MIC input is precision electronically balanced, 1k ohm nominal input impedance, with tremendous dynamic range, remarkably low noise, fast slew rate, and wide bandwidth.

Parametric EQ
The EQ section of the Model 2032 also boasts a 4-band parametric EQ that is second to noneā€but then what would you expect from the man who invented parametric EQ. It offers precision and adaptability when sculpting the response of any source. Its operational characteristics, duplicated from the Model 8200 Parametric Equalizer, have been honed through many years of use in the most critical recording and mixing situations and have proven both reliable and remarkably accommodating.

The basis of the parametric design topology, in general, specifies control over not only gain or attenuation, but also over both frequency and "Q" factor in multiple user-defined bands. In the case of parametric equalization, "Q" is defined as the center frequency of the alteration (whether gain or attenuation) divided by the bandwidth of that alteration. It follows, then, that low values of "Q" affect a wide range of frequencies around the cut or boost, while high values of "Q" specify a narrow slope around the center frequency.

Another important aspect of true parametric equalization, as embodied in the Model 2032 equalizer section, is the existence of overlapping frequency bands, which provide great precision and flexibility. All the above is why GML EQ is found in virtually all the top recording studios and mastering houses.

These advanced circuits, envisioned by George Massenburg, have benefited from over 30 years of research, limited manufacturing, critical listening analysis, widespread usage by demanding industry professionals, and continuous evaluation by the GML Engineering Department. And therein lies GML's greatest advantage. It's one thing to have gear designed by engineers, and quite another when its designed and built by someone who uses it to make platinum records and classic hits.

In use
When combined with a top-quality mic, the 2032 makes recording stellar vocal tracks a snap. It also excells on recording percussion, acoustic guitar, guitar amp, sax, and piano (in mono). As an instrument DI, particularly on bass, the 2032 will give you tracks to die for, especially with a little EQ boost around 100Hz. Plus, it has the headroom to handle the hotter output of instruments with active electronics. Overall, if you believe in capturing instruments and voice as true to the original as you can get, the GML 2032 is a top choice.


FEATURES
  • All-discrete, Class-A design; no integrated circuits to compromise the audio path
  • DC-servo and premium-grade film coupling; no inter-stage capacitors to add distortion or degrade over time; no tantalum electrolytic, ceramic, or aluminum electrolytic capacitors in the signal path
  • Transformerless, precision electronically balanced inputs
  • Designed with GML 9202 (single) and GML 8501 (dual-differential) low-noise, low-distortion, wide dynamic range, wide bandwidth precision discrete opamps
  • DC-servo stabilized direct-coupled output
  • Multi-input format: MIC or MI (front panel musical instrument)
  • Wide gain range (10 dB to 75 dB) available on both inputs
  • Precision gain switch: 65dB range in 5dB steps
  • Continuously variable preamplifier Fine gain control, +/-5dB
  • Four-band fully parametric equalizer
  • Low-frequency and high-frequency shelf mode capability
  • Flexible routing: Single-Channel, Independent, Inline Insert configurations
  • High-pass Filter; selectable 40 Hz, flat, 100Hz
  • Front panel Phantom and Phase illuminated switches
  • Front panel EQ IN and Insert illuminated switches
  • Overload (OL) indication LED
  • Power status LED
  • Low-noise, highly regulated internal linear power supply
  • Modern surface-mount construction, yielding maximum precision and reliability
  • No internal signal interconnects; high-quality signal relay switching
  • Carbon-film and conductive-plastic custom precision potentiometers manufactured to GML exacting standards
  • Multi-colored knobs, GML standard
  • Stylish and durable black-anodized aluminum front panel
  • Rugged chassis; black powder-coat finish over aluminum
  • Reverse-anodized front panel legend, much more permanent than ink or paint processes
  • Baked-on epoxy paint silkscreen rear panel legend
  • Quality PCB manufacturing, assembly, and chassis construction
SPECIFICATIONS

2032 Single Channel Mic Pre with Parametric EQ

  • 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 +7dB, 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

    INPUT
    Microphone: 1k ohms balanced, >80dB CMRR, +17dBu max input before clipping
    Insert In: 20 k ohms balanced bridging, >40dB CMRR, +21dBu max input before clipping
    MI: 1 M ohms 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 = 150!, 30kHz BW), worst-case; -80dB crosstalk, 20Hz to 20kHz, worst case

    OUTPUT
    +27.0 dBu clipping
    < 3 mV output offset, stabilized by DC servo correction, direct coupled
    Wired pin 2 "hot", 3-wire unbalanced

    OTHER
    Internal linear power supply, 110V/220V switch, 50/60Hz; +/-28 VDC, +/-18 VDC, +48VDC
    Approx. power consumption: 28W; 500mA/250V slo-blo fuse installed (110V operation)
    Separate Ground and Chassis connections at rear
    19" W x 1.75" H x 10" D rack mount chassis, black anodized aluminum, silver legend
    Weight: 11 lbs., approximate; shipping weight may vary
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