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

 

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

 

 

 

100VA

 

MADE IN USA

OUTPUTS

CHANNEL ONE

CHANNEL 2

 

CHANNEL TWO

INPUT

 

 

MODEL RA235

 

 

120VAC50/60Hz

Fuse1.5A

SERIAL NUMBER

 

 

INPUT

RISQUE DE CHOC - NE PAS ENLEVER

NO USER SERVICABLE PARTS INSIDE.

 

 

 

235 -

 

 

 

 

 

 

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

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Rolls RA235 quick start Introduction, Installation, Description, Specifications, Rear Panel, Schematic