Sennheiser AC 41-US Specifications
PRODUCT SPECIFICATION
AC 41
Active antenna combiner
1/3
FEATURES
• Up to 4 wireless stereo transmitters using one antenna
• Power supply via BNC cables ensures efficient powering, no need for additional power supply units for the
SR IEM G4
• Compatible with ew G4 and ew G3 systems
PRODUCT VARIANTS
AC 41-EU 470 - 870 MHz Art. no. 508243
AC 41-UK 470 - 870 MHz Art. no. 508295
AC 41-US 470 - 608 MHz Art. no. 508244
ACCESSORIES
GA 3 rack mount set Art. no. 503167
A 1031-U passive omni-directi-
onal antenna
A 2003-UHF passive directional
antenna
Art. no. 004645
Art. no. 003658
Active antenna combiner for evolution wireless G4 systems. The AC 41 operates up to four wireless stereo
transmitters from the ew series using one shared antenna.
Power is supplied to the SR IEM G4 transmitters over the
BNC cables via NT 3-1 power supply (included with the AC
41), making separate power supplies for the transmitters
obsolete.
DELIVERY INCLUDES
• AC 41 antenna combiner
• NT 3-1 power supply
• 4 BNC cables, 50 Ω, 50 cm
• quick guide
• safety guide
PRODUCT SPECIFICATION
SR IEM
AC 41
Active antenna combiner
2/3
CONNECTIONS
ANT
RF OUT
RF IN 1 RF IN 2 RF IN 3 RF IN 4
12V/350mADC OUT
USE NT 3-1 ONLY
DC IN 13,8V/3,5A
1 3 42
1. RF OUT BNC socket
Antenna output
2. RF IN 1 to RF IN 4 BNC sockets
Antenna inputs with DC OUT
3. DC IN socket
To connect the NT 3-1 power supply unit
4. Strain relief for the cable of the power supply unit
SPECIFICATIONS
Frequency ranges
AC 41-EU/UK:
AC 41-US:
Transmission loss 0 dB (±1 dB)
RF input power max. 30 mW per input
Impedance 50 Ω
Power supply 13.8 V DC (with tabletop
Total power consumption max. 3.4 A (with connected
Transmitter power supply
on RF IN 1 to RF IN 4
Relative air humidity 5 to 95 %
Temperature range
Operation:
Storage:
Dimensions approx. 212 x 168 x 43 mm
Weight approx. 1470 g
470 - 870 MHz
470 - 608 MHz
power supply unit NT 3-1)
transmitters)
11.4 V DC (protected
against reverse supply),
350 mA
-10 °C to +55 °C
(14 °F to 131 °F)
-20 °C to +70 °C
(-4 °F to 158 °F)
BLOCK DIAGRAM
NT 3-1
AC
DC
Standby
ANT
RF Output
AC 41
DC feed
RF Inputs
DC
SR IEM
SR IEM
SR IEM
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