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GS-CU001B

Audio mixers and consoles – radio

The GS-CU001B MkII is a highly versatile commentary unit. It was designed after close consultation with end users and the result is a stand alone unit which offers a wide range of facilities, and it is equally at home on the terraces, as it is in a studio.


The MkII VersionThe MkII version now adds the following as standard features:


– 48v phantom power


– upgraded input gain pot


– input gain range increased from -20 to +10 dB


– GPOs on Mic and talkback buttons to allow integration with main intercom or talkback system


VERSION 3 (TT): This version has transformer balanced inputs & outputs with high quality Llundhall transformers on the individual mic outputs.


InputsThree front panel inputs are mic/line switchable with selectable 48v phantom power. The front panel also has a small gain adjustment pot. Mic on/off switches can be selected in on/off mode or in cough mode. There is a global low frequency cut that can be selected on or off, and a preset compressor/limiter per input.


Outputs/TalkbackEach input has a direct discrete output on the rear panel along with a mixed output of all of the inputs, all on XLR. The mixed output is also available on an un-balanced 3.5mm jack socket as a local record. The direct output levels can be set in 3 positions:


1: 0dB + limiter: This is the normal operation and it limits peak levels.


2: 0dB: This feeds the output with an un-compressed nominal level of 0dB, for when the peak signal level will be controlled by outboard equipment.


3: -20dB: This feeds the output with a nominal level of -20dB providing extra headroom.


There are 3 common talkback circuits with individual buttons on the two main commentators’ sections (Position B’s input cannot be switched to a talkback output). The operation of the talkback buttons features Config+ for configuring in different modes.


MonitoringThere are two main commentator monitoring sections, each with two separate 6.35mm A or B gauge jack sockets for headphones. In this way, the centre position B commentator can choose to share the monitoring of commentator A or C. There are 5 common external sources available for monitoring, plus an additional control which is the sum of the other 2 commentators/inputs. Each of the 6 pots has variable level control and left/both/right switching allowing commentator A and C to achieve their desired mix and balance levels. The sidetone control is located on the rear panel for commentator A and C to adjust the level of their own voice. There is a 7 segment LED PPM meter.


PowerThere is an internal switch mode power supply 100-250v AC, with external power via a 4 pin XLR 9-18v DC.


ModificationsThe GS-CU001 is a complete and versatile base system, and Glensound’s most popular commentary unit. It is therefore a perfect starting point for custom requirements. This has resulted in many custom modified units, some listed above, and some not. We are always happy to investigate a particular requirement that you may have. To give you an idea of what is possible, these are some of the modifications, we have designed previously for others:


Added GPIO on a 9 pin D-typeMoved the sidetone control to the top panel on a full size potAdded a talkback channel and monitor between the A and C commentary positions (GS-CU001D and E)Independent monitoring inputs for commentator A and C (GS-CU001E)Additional mic passive outputs (GS-CU001E)Added an additional headphone monitoring input (GS-CU001G)Added two mic inputs for commentator A and C with a simple toggle switch between them (GS-CU001L)


Other Versions are available:




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