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APPENDIX B:
RD900/5 Specifications:
Amplifier Section:
Amplifier Topology: NexD™ Ultra-High Speed Class D
Power Supply: Unregulated MOSFET switching type
Rated Power (Main Channels / Stereo at 14.4V):
70W x 4 @ 4 ohms, 100W x 4 @ 2 ohms
Rated Power (Main Channels / Bridged at 14.4V):
140W x 2 @ 8 ohms, 200W x 2 @ 4 ohms
Rated Power (Subwoofer Channel at 14.4V):
225W x 1 @ 4 ohms, 325W x 1 @ 3 ohms, 500W x 1 @ 2 ohms
Rated Power (Main Channels / Stereo at 12.5V):
60W x 4 @ 4 ohms, 90W x 4 @ 2 ohms
Rated Power (Main Channels / Bridged at 12.5V):
120W x 2 @ 8 ohms, 180W x 2 @ 4 ohms
Rated Power (Subwoofer Channel at 12.5V):
200W x 1 @ 4 ohms, 250W x 1 @ 3 ohms, 350W x 1 @ 2 ohms
S/N Ratio (A-weighted, 20 Hz-20 kHz noise
bandwidth):
Main Channels: >104 dB referred to rated power,
>84 dB referred to 1W
Subwoofer Channel: >103dB referred to rated power,
>83dB referred to 1W
Frequency Response:
Main Channels: 12 Hz - 22 kHz (+0, -1dB)
Subwoofer Channel: 10 Hz - 500 Hz (+0, -3dB)
Damping Factor:
Main Channels: >150 @ 4 ohms per ch./ 50 Hz,
>75 @ 2 ohms per ch. / 50 Hz
Subwoofer Channel: >120 @ 4 ohms per ch./ 50 Hz,
>60 @ 2 ohms per ch. / 50 Hz
Input Sections:
No. of Inputs: Three Stereo Pairs
Input Type: Differential-balanced with RCA jack inputs
Input Range: 200mV - 8V RMS
Signal Processing:
Filter Type: Sallen-Key, with continuously variable cutoff
frequency selection, defeatable
Ch 1&2: 12dB/oct. High-Pass (50-500 Hz)
Ch. 3&4: 12dB/oct. High-Pass (50-500 Hz)
Sub Ch: 12dB/oct. Low-Pass (50-500 Hz)
Remote Level Control: Via optional, wired RBC-1 remote
level controller. Full mute to 0 dB range. (sold separately)
Power Connections:
Recommended Fuse Value: 80A
Minimum Copper Power/Ground Wire : 4 AWG
(Note: Copper Clad Aluminum (CCA) wire is
not recommended.)
Dimensions (LxWxH):
14.66” x 6.96” x 2.13” (372mm x 177mm x 54mm)
Due to ongoing product development, all specifications are subject to
change without notice.
15


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