Sennheiser ACA 3 Antenna Combiner
Sennheiser ACA 3 Antenna Combiner
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Sennheiser ACA 3 Antenna Combiner
Sennheiser supports the use of distributed antenna systems with a range of high-specification antenna combiners to allow wireless microphone coverage over multiple rooms and large or complex sIt's. With the increasing demand for “zone” systems in various situations including large churches, broadcast installations, outdoor sporting events and reality TV shows, Sennheiser‘s engineers have used this expertise to develop the ACA 3, a compact and easy to deploy 2 x 4:1 antenna combiner compatible with all analog and digital Sennheiser wireless stationary receivers operating in the supported frequency range of 470 to 798 MHz.
Key Features
- 2 x 4:1 combiner at unity gain
- Switchable DC supplied on each antenna input for head amps or active antennas, e.g. AB 3, AB 3700, A12AD, AB 9000
- RF from each of the eight antenna inputs is switchable to isolate unused antennas
- LEDs indicate input state; RF on, DC on and DC current overload (e.g. faulty ‘short circuit‘ antenna cable)
Technical Specifications
Dimensions
43x483x205
Connector
BNC female, 50 OHM
Weight
Approx. 2.75 kg
Storage temperature
-20 deg C to +70 deg C
Operating temperature
-10 deg C to +40 deg C
Power supply
100 - 240 V AC, 50/60 Hz
Gain
0 dB, ±3dB @ 470-790 MHz
Output voltage
12 V, 250 mA max (overload protected)
Frequency range
470-798 MHz
RF input
+10 dBm max 10 mW / channel
RF output
IP 3: >37 dBm (typ.); 1 dB cp: >20 dBm
Specials
Chanel isolation (when switched OFF): 69 dB (typ.)
Operating relative humidity
5% to 95%
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