OWNERS MANUAL
RA280
Power Amplifier
80 Watt Stereo
150 Watt Bridged
Rolls Corporation
Salt Lake City, UT
12/98
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.
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.
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.
SPECIFICATIONS
Power Output, Stereo:
80 Watts RMS/ch. 4
Ω
50 Watts RMS/ch. 8
Ω
Bridged
150 Watts RMS 8
Ω
Sensitivity:
<1 VRMS for full output
THD, IMD:
<.08% (1kHz @ 1 Watt).05%
S/N Ratio:
106 dBU
Power Bandwidth:
50 Hz - 25 kHz +/- 1dB
Damping Factor:
> 150
Slew Rate:
100 Volts/microSecond
Phase Shift:
<10 Deg., 20Hz - 20kHz
Input Impedance:
10 K
Ω
Balanced
Power:
120 VAC 60Hz 2.5A
230 VAC 50Hz
Size:
19” x 3.5” x 7.5”
(48 x 9 x 19 cm)
Weight:
12 lbs (5.5 kg)
VOLUME 1
VOLUME 2
PWR
WATTS 4 Ohms
1 4 28 80
WATTS 4 Ohms
1 4 28 80
RA280
M
OSFET
P
OWER
A
MPLIFIER
