Rolls RA200 User manual
R A200 Power Amplifier
The R A200 features two 100 watt RMS - 4 ohm out-
puts, a bridging switch, MOSFET drivers in a voltage
and current gain circuit, one second power-up delay,
and LED power output meters. The unit is housed in
a painted steel chassis and includes a special high per-
formance transformer, and a fused power line. The
MOSFET output stage is fault protected which allows
the R A200 to forgive momentary output shorts, and
has over-temperature protection.
CAUTION: The R A200 is convection cooled. Ad-
equate ventilation room for the heat sink fins on the
rear panel must be provided.
FEATURES:
MOSFET drivers in a voltage and current gain
circuit
1 second turn-on delay
LED power output meters
Fault protected outputs
SPECIFICATIONS
Power Output, Stereo: 100 Watts RMS/ch. 4 Ω
70 Watts RMS/ch. 8 Ω
Bridged - 200 Watts RMS 8 Ω
Input Connectors: 1/4" TRS balanced and RCA
Output Connectors: 1/4" and 5-way binding posts
Sensitivity: <1 VRMS for full output
THD: <.08% (1kHz @ 1 Watt)
S/N Ratio: 106 dBU
Power Bandwidth: DC - 30 kHz +/- 1dB
Damping Factor: > 150
Slew Rate: 100 Volts/microSecond
Phase Shift: <10 Deg., 20Hz - 20kHz
Input Impedance: 10 KΩBalanced
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)
ROLLS Coporation
5143 South Main Street, Salt Lake City, UT, 84107
(801) 263-9053 FAX (801) 263-9068
MADE IN U.S.A.
RISQUE DE CHOC - NE PAS ENLEVER
SERIAL NUMBER
WARNING:
To reduce the risk of electric
shock or fire do not expose
this device to rain or moisture.
CHANNEL 2 INPUT
CHANNEL 1 INPUT
BRIDGE NORMAL
OUTPUT 2 OUTPUT 1
4A 120V - 2A 230 V
OUTPUT 1
OUTPUT 2
-
-
+
+
MAINS POWER
WARNING
For continued protection against
risk of fire, replace only with
same type and rating of fuse.
CAUTION
TO REDUCE THE RISK OF ELECTRIC
SHOCK DO NOT NOT REMOVE LID. NO
USER SERVICABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL
CORPORATION
WATTS
1 5 30 100
WATTS
1 5 30 100
VOLUME 1
RA200
M
OSFET
P
OWER
A
MPLIFIER
VOLUME 1
POWER
PROTECT
0 10 0 10
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