gml gml2032 Manual De Usuario

One channel, multi-input, gain, filter, parametric equalizer with insert capability

Preamplifier section

Two inputs: MIC (balanced, XLR), MI (unbalanced, 1/4”; 

Tip = Signal, Sleeve = Ground

)

Input Source control: MIC or MI
Gain control: 10dB to 70dB, 5dB steps
Fine control: -5dB to +5dB, continuously variable
Phase switch, illuminated pushbutton: in-phase 

(LED off)

, phase reverse 

(LED on)

P48 switch, illuminated pushbutton: phantom on 

(LED on)

, phantom off 

(LED off)

Filter -- Second-order Butterworth active high-pass filter; 100Hz, flat, 40Hz

Equalizer section

EQ IN switch, illuminated pushbutton: equalizer in 

(LED on)

, equalizer out 

(LED off)

Four bands, fully parametric, continuously variable

1. 

15 Hz – 800 Hz, Q of 0.4 – 4.0 or shelving, 15 dB boost/cut

2. 

120 Hz – 8 kHz, Q of 0.4 – 4.0, 15 dB boost/cut

3. 

400 Hz – 26 kHz, Q of 0.4 – 4.0, 15 dB boost/cut

4. 

400 Hz – 26 kHz, Q of 0.4 – 4.0 or shelving, 15 dB boost/cut

Insert switch, illuminated pushbutton: engaged 

(LED on)

, disengaged 

(LED off)

Configurations

1.  Single Channel – preamplifier output feeds equalizer input
2.  Independent – split operation
3.  Inline Insert – external device inserted between preamplifier and equalizer

MI (1/4” phone) – 1 MΩ unbalanced, buffered preamplifier input with MI selected on Source

Input (XLR)

1 kΩ balanced bridging, transformerless; microphone input
Preamplifier input with MIC selected on Source switch

Insert Out (XLR)

Direct-coupled, DC-servo corrected, unbalanced 

(pin2=Sig, pins1,3=Gnd)

Preamplifier and Filter output

Insert In (XLR)

20 kΩ balanced bridging, transformerless; line input
Equalizer input with Insert engaged

Output (XLR)

Direct-coupled, DC-servo corrected, unbalanced 

(pin2=Sig, pins1,3=Gnd)

Equalizer output

OL -- Red LED, +24dBu peak indication: monitors preamplifier and equalizer outputs

POWER

Internal linear power supply; +/-28 VDC, +/-18 VDC, +48 VDC
AC line (IEC): 110V/220V select, 50Hz/60Hz
Approx. power consumption: 28W; 500mA/250V slo-blo fuse installed (110V operation)
Separate Ground and Chassis connections at rear
Blue power indication LED

MECHANICAL

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