R-150/300/500
Dual-Channel
Power Amplifier
R-150/300/500
Features
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R-150: 150W@8Ω Bridged Mono
R-300: 300W@8Ω Bridged Mono
R-500: 500W@8Ω Bridged Mono
Frequency Response
20Hz- 50kHz, ±0.5dB
Convection Cooled
Soft Start Protection System
Balanced 10kΩ@0.775V Inputs
<0.03% Total Harmonic Distortion
Extensive Protection Circuitry
Signal, Protection, Clip Indicators
Rack Mount
Description
The R-150/300/500 are dual-channel high-performance amplifiers. Their clear, open sound and quiet operation make them
ideal for reference systems and church sound applications. Inputs are via balanced XLR or 1/4” connectors, outputs are via
rugged five-way binding post connectors. All units have soft-start protection circuitry and feature signal, protection and clip
indicators on the front panel. For added versatility, they may be operated in stereo, dual mono or bridged mono mode.
Convection-cooling provides noise-free ventilation for critical applications. The R-series amplifiers are powered by 100120VAC or 220-240VAC 50/60Hz (depending on country requirements) and are packaged in a 3.5" (2RU) or 5.25” (3RU)
rack mount enclosures.
Technical Specifications
ELECTRICAL
Power Output
4Ω Stereo
8Ω Stereo
8Ω Bridged Mono
Input Sensitivity/Impedance
Frequency Response (±0.5dB)
THD
Damping Factor
GENERAL
Power Source
Power Consumption
W eight
Dimensions (W x H x D)
R150
75W + 75W
50W + 50W
150W
R300
R500
150W + 150W
250W + 250W
100W + 100W
160W + 160W
300W
500W
0.775Vrms/10kΩ, Balanced
20Hz - 50kHz
<0.03%
> 100
100-120VAC or 220-240VAC 50/60Hz
140W
210W
330W
20.1lbs.
22lbs.
36.4lbs.
7.5kg
8.2kg
13.6kg
19" x 3.5" x 8.3"
19" x 5.25" x 11"
482mm x 88mm x 210mm
482mm x 132mm x 280mm
R-150/300/500 Architects and Engineers Specifications
The power amplifier shall be a dualchannel unit capable of 150W/R-150,
300W/R-300, or 500W/R-500 RMS
per channel (bridged-mono) @8Ω.
Inputs shall be balanced XLR and
¼”connectors and outputs shall be
via rugged five-way binding-post
connectors. The unit shall have a
soft-start system to help protect
speakers against power surges at
power on or power off. Convection
cooling shall provide noise-free
ventilation for critical applications.
The unit shall meet the following
performance criteria:
Frequency response shall be from
20Hz to 50kHz ±0.5dB; total harmonic distortion shall be less than
0.03%; and input sensitivity and
impedance shall be 0.775V@10kΩ.
The R-150/300 amplifier shall
measure 19"(482mm) wide x
3.5"(88mm) high x 8.3"(210mm) deep
and shall be powered by 100120VAC or 220-240VAC 50/60Hz
(depending on country
requirements).
The R-500 amplifier shall measure
19"(482mm) wide x 5.25"(132mm)
high x 11"(280mm) deep and shall be
powered by 100-120VAC or 220240VAC 50/60Hz (depending on
country requirements).
The dual-channel power amplifier
shall be an Inter-M model
R-150/300/500.
R-150/300/500 Front and Rear Views
Inter-M Americas, Inc. • 1 E. Beacon Light Lane • Chester, PA 19013
Tel: 610-874-8870 • Fax: 610-874-8890 • E-mail: info@inter-m.net
Website: www.inter-m.net
Inter-M Corp. (Korea) • 653-5 Banghak-Dong • Dobong-Ku • Seoul • Korea
Tel: 82-2-2289-8140~8 • Fax: 82-2-2289-8149 • E-mail: export@inter-m.com
Website: www.inter-m.com
© 2004 Inter-M Specifications subject to change without notice. R15003045M
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