
4-CHANNEL AMPLIFIER RSd300.4
SPECIFICATIONS
Power Output: 53W x 4 (4 Ω, 1kHz and 1%THD+N)
80W x 4 (2 Ω, 1kHz and 1%THD+N)
CEA RATED SPECIFICATIONS
Power Output: 48W x 4 (RMS @ 4 Ωand 1%THD+N)
68W x 4 (RMS @ 2 Ωand 1%THD+N)
Signal to Noise Ratio: 83dBA - 1W Output @ 4 Ω
Frequency Response: 20Hz - 20kHz
Effective Damping Factor: 6.35 @ 4 Ω
Maximum Input: 9V @ Clipping
Maximum Sensitivity: 200mV @ Clipping
Dimensions: 16 7⁄8x 11 3⁄16 x 2 3⁄8"
2-CHANNEL AMPLIFIER RSd250.2
SPECIFICATIONS
Power Output: 87W x 2 (4 Ω, 1kHz and 1%THD+N)
130W x 2 (2 Ω, 1kHz and 1%THD+N)
CEA RATED SPECIFICATIONS
Power Output: 76W x 2 (RMS @ 4 Ωand 1%THD+N)
113W x 2 (RMS @ 2 Ωand 1%THD+N)
Signal to Noise Ratio: 85dBA - 1W Output @ 4 Ω
Frequency Response: 20Hz - 20kHz
Effective Damping Factor: 6.058 @ 4 Ω
Maximum Input: 8.5V @ Clipping
Maximum Sensitivity: 226mV @ Clipping
Dimensions: 12 7⁄8x 11 3⁄16 x 2 3⁄8"
MONOBLOCK AMPLIFIER RSd1200.1
SPECIFICATIONS
Power Output: 775W x 11(4 Ω, 1kHz and 1%THD+N)
1200W x 11(2 Ω, 1kHz and 1%THD+N)
CEA RATED SPECIFICATIONS
Power Output: 675W x 1 (RMS @ 4 Ωand 1%THD+N)
1000W x 1 (RMS @ 2 Ωand 1%THD+N)
Signal to Noise Ratio: 79dBA - 1W Output @ 4 Ω
Frequency Response: 10Hz - 293Hz
Effective Damping Factor: 6.36 @ 4 Ω
Maximum Input: 9V @ Clipping
Maximum Sensitivity: 215mV @ Clipping
Dimensions: 19 1⁄4x 11 3⁄16 x 2 3⁄8"
Class D Design
MONOBLOCK AMPLIFIER RSd300.1
SPECIFICATIONS
Power Output: 200W x 11(4 Ω, 1kHz and 1%THD+N)
310W x 11(2 Ω, 1kHz and 1%THD+N)
CEA RATED SPECIFICATIONS
Power Output: 180W x 1 (RMS @ 4 Ωand 1%THD+N)
300W x 1 (RMS @ 2 Ωand 1%THD+N)
Signal to Noise Ratio: 84dBA - 1W Output @ 4 Ω
Frequency Response: 10Hz - 300Hz
Effective Damping Factor: 6.39 @ 4 Ω
Maximum Input: 11.8V @ Clipping
Maximum Sensitivity: 226mV @ Clipping
Dimensions: 12 7⁄8x 11 3⁄16 x 2 3⁄8"
MONOBLOCK AMPLIFIER RSd600.1
SPECIFICATIONS
Power Output: 425W x 11(4 Ω, 1kHz and 1%THD+N)
650W x 11(2 Ω, 1kHz and 1%THD+N)
CEA RATED SPECIFICATIONS
Power Output: 400W x 1 (RMS @ 4 Ωand 1%THD+N)
600W x 1 (RMS @ 2 Ωand 1%THD+N)
Signal to Noise Ratio: 82dBA - 1W Output @ 4 Ω
Frequency Response: 10Hz - 265Hz
Effective Damping Factor: 6.39 @ 4 Ω
Maximum Input: 10V @ Clipping
Maximum Sensitivity: 200mV @ Clipping
Dimensions: 16 7⁄8x 11 3⁄16 x 2 3⁄8"
Class D Design
AMPLIFIERS
THE DIFFERENCE IS
IN THE DETAIL
Triple Darlington Output Drive with
Complementary Bipolar Transistors
deliver clean, high current signal
Dual Differential Topology
minimizes signal distortion
Poly Film Box Capacitors and 1%
Precision Metal Film Resistors
ensure consistent performance and
long life
IRFZ44 Power Supply MOSFETS
furnish cool, reliable power control
Massive Anodized, Extruded
Aluminum Heatsink
optimizes cooling for maximum
play time
Dual Power Supply Design
provides efficient, low-loss power
conversion (RSd 500.4 and 1200.1)
1Monoblocks are measured at 100Hz
All Radial Sd amplifiers
are designed, engineered,
manufactured and tested
in accordance with
CEA-2006 amplifier
rating requirements.