RUSSOUND R-SERIES Datasheet
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Data Sheet
R-SERIES AMPLIFIERS
R235LS, R290DS, R850MC, R1250MC
Russound’s R-Series amplifiers employ a robust circuit
design for stability under demanding loads. All models
feature auto signal-sensing inputs and bridgeable
channel pairs for increased power output and flexibility of
application. All amplifier channels feature independent gain
controls for precise level matching and dual speaker outputs
for convenience. Optional rack-mount ears are included with
all models except the R235LS, which features a low-profile
design and mounting capability integrated into the chassis.
Two of the amplifiers have unique features for special
applications. The compact R235LS provides automatic
switching between a multiroom audio system and a local
source, such as a TV or a computer. The R290DS takes
the dual source concept even further with line and speaker
audio inputs and auto sensing for both primary and
secondary sources, a loop output, and more power.
Features R235LS R290DS R850MC R1250MC
Total channels
2 2 8 12
Bridgeable channel pairs
1 1 4 6
Auto signal-sensing inputs
✓ ✓ ✓ ✓
Separate channel gain controls
✓ ✓ ✓ ✓
Thermal protection
✓ ✓ ✓ ✓
Short-circuit protection
✓ ✓ ✓ ✓
Rack mount ears included
✓ ✓ ✓
12-volt trigger input & output
✓ ✓ ✓
Bus input & output
✓ ✓
Source loop outputs
✓
Automatic local source switching
✓ ✓
Power output per channel @ 4/8 Ohms
35W/50W 90W/110W 50W/80W 50W/80W
Multi-power AC outlet
✓ ✓ ✓ ✓