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AKG SR470 Wireless Diversity Receiver

The SR470 is the receiver at the center of AKG's WMS470 system: a rugged half-rack metal chassis running space diversity with a super-heterodyne front end. Auto Setup scans the local RF picture and picks a clean frequency, Environment Scan maps what is already on the air, and Rehearsal mode records dropouts during soundcheck so you find the dead spot in the room before an audience does. An infrared link then pushes the chosen frequency into the transmitter.

The programmable backlight is the part operators notice: it changes color to flag a transmitter low battery, an audio peak, or weak radio signal, readable from the far side of a stage. Outputs are a balanced XLR switchable to -30 or 0 dBm plus an unbalanced 1/4 inch jack, and two 50 ohm BNC antenna inputs accept splitters, remote antennas and power supplies for systems up to 48 simultaneous channels. A RMU4000 rack mount kit is included.

TypeUHF space-diversity wireless receiver, super heterodyne, 1/2 rack
Switching Bandwidth30.5 MHz (depending on local regulations)
Audio Bandwidth35 - 20,000 Hz
THD at 1 kHzless than 0.3%
Signal to Noise Ratio120 dB(A)
Audio OutputsBalanced XLR switchable to -30 or 0 dBm; unbalanced TS 1/4 inch jack, +9 dBu max.
Antenna Inputs2x 50 ohm BNC female
Dimensions / Weight200 x 44 x 190 mm (7.8 x 1.7 x 7.4 in.), 972 g (2.2 lbs.)