INTRODUCTION
Thank you for your purchase of the ROLLS RA235 35 Watt Power Amplifier. The RA235 is a virtually indestructible single rack space amplifier intended for musi- cians and studio owners alike. The unit is ideal for home studio applications or wherever a clean, efficient, medium wattage amp is required. Please read the following manual carefully to achieve the best results from this product.
INSTALLATION
Mount the RA235 in a safe and sturdy rack. Connect the output of the signal source to the selected input of the RA235, and connect the Outputs to your speakers.
Plug the AC cord into a properly grounded AC outlet.
Send signal to the RA235 and adjust the VOLUME controls for a comfortable listening level.
DESCRIPTION
FRONT PANEL
VOLUME 1 | VOLUME 2 | ||
pwr 0 | 10 CLIP | 0 | 10 CLIP |
35 | Watt Stereo |
Power Amplifier | |
| RA235 |
SPECIFICATIONS |
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Recommended Load: | 8 Ohms minimum |
Frequency Response: | 5 Hz to 40 kHz |
Equiv. Input Noise: | 100 microVolt typical, A weighted |
VOLUME 1 / VOLUME 2: This control adjusts the output level of the correspond- ing channel.
PWR: LED indicating the unit’s power status.
CLIP: These LEDs light in the event of overload in the corresponding channel.
REAR PANEL |
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100VA |
| MADE IN USA | OUTPUTS | CHANNEL ONE | CHANNEL 2 |
| CHANNEL TWO | INPUT | |||
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| MODEL RA235 |
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120VAC50/60Hz | Fuse1.5A | SERIAL NUMBER |
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| INPUT |
RISQUE DE CHOC - NE PAS ENLEVER | NO USER SERVICABLE PARTS INSIDE. |
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| 235 - |
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| WARNING: DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE | CHANNEL 1 | |
120 VAC 50/60 HZ 15 VA: IEC Power Cord. Connect to a properly grounded
AC source. NOTE: REPLACE THE FUSE WITH ONLY THE PROPER RATED FUSE. INSTALLING A FUSE OTHER THAN THE RECOMMENDED RATING WILL DAMAGE THE UNIT.
Outputs: Spring loaded terminals to be connected to 8 Ohms speaker loads only.
MAIN INPUTS: 1/4” and RCA jacks to be connected to line level signals to be
amplified. Note: Do not directly connect the output of a phono player as those devices require special equalization.
For MONO operation, plug one RCA connector between the two RCA jacks. Ei- ther Channel One or Channel Two 1/4” inputs may be used as the MONO input.
BURN WARNING!
THE FRONT PANEL OF THE RA235 IS THE HEAT DISTRIBUTION FOR THE OUTPUT STAGES. IF THE UNIT IS OPERATED AT HIGH VOLUMES, IT MAY GET HOT.
| 600 Ohm input |
S/N Ratio: | 114 dB @ 35 Watts |
Gain: | 34 dB |
Input Impedance: | 47 k Ohms |
Size (W x H x D): | 19” x 1.75” x 5” (48 x 4.5 x 12.7) |
Weight: | 5.5 lbs (2.5 kg) |
SCHEMATIC |