Sennheiser ACA 3 Spec Sheet

Sennheiser ACA 3 Spec Sheet
PRODUCT SPECIFICATION
1/2
ACA 3
Active Antenna Combiner
FEATURES
DELIVERY INCLUDES
•
2 x 4:1 combiner at unity gain
•
1 ACA 3 Active Antenna Combiner
•
Switchable DC: supplied on each antenna input for
head amps or active antennas, e.g. AB 3, AB 3700,
A12 AD, AB 9000
•
3 Mains cables (EU/UK and US plug)
•
1 Quick Guide
•
1 Safety Guide
•
Switchable RF: RF from each of the eight antenna inputs is switchable to isolate unused antennas
•
Visual indication: LEDs indicate input state; RF on, DC
on and DC current overload (e.g. faulty “short circuit”
antenna cable)
ORDER INFORMATION
ACA 3
Active Antenna Combiner
art. no. 390038
Sennheiser supports the use of distributed antenna systems with a range of high-specification custom antenna combiners to allow wireless microphone coverage over multiple rooms and large or complex sites.
With the increasing demand for these 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, cost effective and easy to deploy 2 x 4:1 antenna combiner compatible with all Sennheiser wireless systems
including Digital 6000 and 9000 Series.
PRODUCT SPECIFICATION
2/2
ACA 3
Active Antenna Combiner
SPECIFICATIONS
OPERATING ELEMENTS
Frequency range
470 - 798 MHz
Gain
0 dB (±3 dB) @ 470-790 MHz
Output voltage
12 V, 250 mA max
(overload protected)
Connector
BNC female, 50 Ω
Front
LEDs
DC ON/OFF/LIMIT
DC ON
DC
DC LIMIT
LIMIT
DC
DC OFF
OFF
RF
RF ON/OFF
ON/OFF
PUSH
PUSH &
& HOLD
HOLD DC
DC ON/OFF
ON/OFF
Power supply
100-240 V~ / 50-60 Hz / 1A
RF input
+10 dBm max 10 mW / channel
RF output
IP3: >37 dBM (typ.); 1 dB cp: >
20 dBm
Specials
Channel isolation
(when switched OFF): 69 dB
(typ.)
Operation
relative humidity
5 to 95 %
Operation
temperature range
-10 °C to +40 °C
Storage
temperature range
-20 °C to +70 °C
Dimensions
(incl. rack mount ears)
483 x 205 x 43 mm
Format
19 inch, 1U
Weight
(incl. plug, cable)
approx. 2750 g
ON/OFF
LEDs
RF/DC ON/OFF
Back
5
4
RF in A1
RF in A3
RF out A
RF in B1
RF out B
RF in B3
ANTENNA RF INPUTS
DC OUT 12V/450mA
RF in A4
RF in A2
110-240V 50-60Hz max 65W
1
2
1. Mains socket
2. 4 BNC sockets A1 to A4 RF IN DC OUT
3. 4 BNC sockets B1 to B4 RF IN DC OUT
4. BNC socket RF OUT A
5. BNC socket RF OUT B
Sennheiser electronic GmbH & Co. KG · Am Labor 1 · 30900 Wedemark · Germany · www.sennheiser.com
RF in B2
RF in B4
3
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