Rolls Stereo Receiver RA280 User Guide

SPECIFICATIONS  
Power Output, Stereo:  
80 Watts RMS/ch. 4  
50 Watts RMS/ch. 8 Ω  
150 Watts RMS 8 Ω  
<1 VRMS for full output  
<.08% (1kHz @ 1 Watt).05%  
106 dBU  
Bridged  
Sensitivity:  
THD, IMD:  
S/N Ratio:  
Power Bandwidth:  
Damping Factor:  
Slew Rate:  
Phase Shift:  
Input Impedance:  
Power:  
50 Hz - 25 kHz +/- 1dB  
> 150  
100 Volts/microSecond  
<10 Deg., 20Hz - 20kHz  
10 KBalanced  
120 VAC 60Hz 2.5A  
230 VAC 50Hz  
RA280  
Power Amplifier  
Size:  
19” x 3.5” x 7.5”  
(48 x 9 x 19 cm)  
12 lbs (5.5 kg)  
80 Watt Stereo  
Weight:  
150 Watt Bridged  
LIMITED WARRANTY  
This product is warranted to the original consumer purchaser to be free from  
defects in materials and workmanship under normal installation, use and service for a  
period of one (1) year from the date of purchase as shown on the purchaser’s receipt.  
The obligation of Rolls Corporation under this warranty shall be limited to  
repair or replacement (at our option), during the warranty period of any part which  
proves defective in material or workmanship under normal installation, use and service,  
provided the product is returned to Rolls Corporation, TRANSPORTATION CHARGES  
PREPAID. Products returned to us or to an authorized Service Center must be accompa-  
nied by a copy of the purchase receipt. In the absence of such purchase receipt, the  
warranty period shall be one (1) year from the date of manufacture.  
VOLUME 1  
VOLUME 2  
PWR  
This warranty shall be invalid if the product is damaged as a result of  
defacement, misuse, abuse, neglect, accident, destruction or alteration of the serial  
number, improper electrical voltages or currents, repair, alteration or maintenance by  
any person or party other than our own service facility or an authorized Service Center,  
or any use violative of instructions furnished by us.  
1
4
28 80  
1
4
28 80  
WATTS 4 Ohms  
WATTS 4 Ohms  
This one-year warranty is in lieu of all expressed warranties, obligations or  
liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,  
INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-  
CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE  
LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN  
LIMITED WARRANTY. Some states do not allow limitations on how long an implied  
warranty lasts, so the above limitation may not apply to you.  
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDEN-  
TAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER  
WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow  
the exclusion or limitation of special, incidental or consequential damages so the above  
limitation or exclusion may not apply to you. This warranty gives you specific legal  
rights, and you may also have other rights which vary from state to state.  
RA280  
MOSFET POWER AMPLIFIER  
OWNERS MANUAL  
Rolls Corporation  
Salt Lake City, UT  
12/98  
 

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