Glensound GS-CU008

Single Commentator's Box With One Talkback Circuit

Glensound GS-CU008

The GS-CU008 is a popular general purpose mic and headphone interface. Its flexibility has resulted in various custom designs with multiple mic inputs, or multiple monitoring inputs. These options can interface with wireless systems, or be used for audio description.

Inputs
The front panel input is transformer balanced at microphone level with a selectable 48v phantom power switch. A small pot is on the front panel for adjusting gain control, and the mic on/off switch can also be set to act as a cough switch. For optimising the voice input, a band pass filter is used.

Outputs/Talkback
There is a single transformer balanced programme output. The output level is configurable by a three position selector switch which would typically be used with the compressor / limiter active above 0dB. The limiter can also be turned off for a 0dB output. If the compressor / limiter is not required, but more headroom is, the user can select a -10dB output without compressor/limiter.

Monitoring
There is a single audio input with a variable pot for headphone monitoring for a single commentator, with a control for adjusting sidetone level in the headphones. Both pots have left/both/right headphone switching, facilitating adjustment of any input to either side of the headphones. The operator has a single 6.35mm headphone socket. There is a 7 segment LED PPM meter.

Power
Internal switch mode power supply 90-240v AC. An external power input is also provided on a 4 pin XLR 10-18v DC.

  • Single mic input with selectable 48v phantom power
  • Band pass filter optimised for voice
  • Transformer balanced inputs and outputs
  • Output level feature limiter on/off, or extra headroom mode
  • Single talkback circuit
  • Talkback circuit features Config+
  • LED PPM meter with 7 segments
  • Commentator's headphone output on 6.35mm jack socket (A or B gauge)
  • Headphone inputs have level control and left/right/both switching
  • Commentator side tone level control
  • Size: 158 x 92 x 222 mm (w x h x d)
MIC INPUT GAIN: -66dBu to -42dBu
MIC + PHANTOM PWR GAIN: -56dBu to -31dBu
EQUIVALENT INPUT NOISE: 121dBu (22-22kHz RMS gain @ max) Input terminated with 300 Ohms
PHANTOM POWER: 48Volts @ 10mA
MAX INPUT LEVEL (COMPRESSOR OFF): -41dBu (gain @ 60dB)
MAX INPUT LEVEL (COMPRESSOR ON): -21dBu (gain @ 60dB)
INPUT LEVEL COMPRESSOR OUTPUT LEVEL: -62dBu -10dBu
-52dBu 0dBu
-42dBu +5dBu
-32dBu +8.5dBu
-22dBu +11dBu
-14dBu +12.5dBu (Just clipping)
THD+NOISE: <0.2% (50Hz to 20kHz)
PPM METER: 8 LEDs dB Step between LEDs
PGM & TB OUTPUT IMPEDANCE: 50 OHMS Transformer Balanced
CUE & TB INPUT IMPEDANCE: => 15kOhms Transformer Balanced
HEADPHONE ROUTING: All headphone inputs switchable to either or both ears
HEADPHONE LEVELS MAX: + 18dBu into 600 Ohms ****Warning high headphone levels can be harmful to your hearing****
HEADPHONE IMPEDANCE: 200 to 2000 OHMS
HEADPHONE CONNECTOR: A or B gauge jack socket
POWER MAINS: 100 – 240 Volts 50/60 Hz < 100mA @ 100 Volts IEC Connector
POWER DC: 10 – 18 Volts < 200mA @ 10 Volts 4 Pin XLR
POWER ON INDICATOR: Blue LED
OVERALL SIZE: 160 x 222 x 92mm (W x D x H)
UNIT WEIGHT: 1.4Kg

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