
The Glensound GS-FW024 MKII 1u 19” rack unit containing 4 separate 4 wire/IFB circuits. The GS-FW024 MKII is the next generation on from the very popular original GS-FW024 and is one of our top of the range of extensive 4-wire talkback units. Glensound has been designing and making 4-wire talkback units for more than 35 years and the GS-FW024 MKII builds on past experience to provide a highly reliable and comprehensively specified unit which is also hugely versatile and is ideal for the communication hub of small OB vans and small studios.
- 4 outgoing and incoming talkback circuits
- 1 incoming 'Programme' circuit
- Presence LEDS indicate when an incoming talkback circuit receives audio
- Internal front panel microphone and XLR for external microphone
- Individual gain controls for both microphones
- Glensound ‘Referee’ compressor/ limiter circuit on mic amps
- Illuminated talkback keys can easily be programmed to alter operation mode (latching, momentary, latching & momentary (intelligent lever key))
- All 4-wire circuits have input & output gain controls
- 4 wire inputs can be looped to 4-wire outputs (IFB)
- PGM input can be routed to 4-wire outputs
- PGM inputs & IFBs can be mixed or cut when talkback keys are operated
- Front panel switches for routing PGM & IFB & selecting mix/cut operation
- Talkback groups can simply be defined
- Mains powered 100-250 VAC
- Front panel speaker and headphone jack (cuts front panel LS)
- Balanced external LS output (0dB)
- Front panel LS/Headphone volume control
- Transformer balance outputs
- Highly reliable electronic 'transformer' inputs
- Power ON LED
- All audio inputs & outputs on XLRs
- Lazy mic output (permanent un-switched)
- Loop inputs for remote operation of talkback keys
- Loop outputs for red light switching/ external LS dim etc from talkback keys
- Large labelling points for designation of audio circuits
EXTERNAL MIC INPUT | |
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Lineup Gain: | 54dB (For 0dBu output) |
Gain trim control: | + / - 10dB |
Input type: | Electronically balanced |
MIC COMPRESSOR/ LIMITER | |
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Type: | Complex multi-point curve |
Input Level: | Output Level |
-54: | 0.3 |
-44: | +5.3 |
-34: | +8.7 |
-24: | +11.39 |
-18: | Clip |
MIC FREQUENCY RESPONSE | |
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-1dBu: | @ 30 Hz |
-2dBU: | @ 20 KHz |
MIC DISTORTION | |
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All measured: | @ +8 dB on output |
100 Hz: | <= 0.06% |
1 kHz: | <= 0.02% |
10 kHz: | <= 0.03% |
MIC NOISE (RMS weighted 22-22KHz 300 Ohm termination) | |
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Mic noise minimum gain: | -75dB |
Mic noise maximum gain: | -54dB |
4-WIRE & PGM INPUTS | |
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Nominal line up: | 0dBU |
Input Impedance: | >22K |
Type: | Transformer balanced |
Input Gain Control: | +10 to - Infinity |
Maximum input before clipping: | +26dB |
Present Led Illumination Point: | -23dB |
Frequency Response (measured to 4-wire output (IFB)): | -1dBu @ 30 Hz |
-2dBu @ 20 KHz |
4-WIRE OUTPUTS | |
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O/P gain range: | -20dBu to +10dBU |
Output Impedance: | Type: Fully protected electronically balanced |
Frequency Response (measured from 4-wire input (IFB)): | -1dBu @ 30 Hz |
-2dBu @ 20 KHz |
HEADPHONE & LS | |
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Headphone Impedance: | 16 to 1000 Ohms |
Headphone/LS Gain range: | +10dB to -20dB (-Infinity by internal link) |
Maximum Headphone output: | +20dB into 600 Ohm headphones |
Frequency Response (Measured at headphones): | -1.4dBu @ 30 Hz |
-0.8dBu @ 16 KHz | |
LS Dim: | Front panel preset None to Off (factory set to -14dBU) |
LS Amplifier: | 3.5 Watts |
Internal LS: | Magnetically Shielded, Full Range 220Hz to 20kHz |
POWER | |
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Mains Input: | 100 - 240 VAC |
Max Consumption: | 8.5 Watts |
Queiscent: | 3.7 Watts |
SIZE & WEIGHT | |
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Height: | 1RU |
Width: | 19 inch |
Depth: | 205mm (excluding connectors) |
Weight: | 1.97Kg |
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