INTRODUCTION |
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Thank you for your purchase of the Rolls RA53b Stereo Headphone Amplifier. | Input Impedance: | 10 K ohms | ||
This unit was designed to provide years of dependable service. Please read this | Max Input Level: | +18 dBV | ||
manual carefully to ensure proper operation. | Max Gain: | 26 dB per channel | ||
The RA53b is a | Maximum Output Power: | 300 mW per channel | ||
options. In addition to the four master mix inputs, four separate mixes may be | Output Impedance: | 10 Ohms | ||
monitored using the main inputs and the three Insert jacks on Channels 1, 2, and | S/N Ratio: | >90 dB | ||
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| THD: | <.08% | |
A 1/4” JOIN Input/Output jack is provided for connecting two RA53b units to- | IMD (SMPTE): | <.08% | ||
gether, providing up to ten channels of headphone monitoring. | Power: | 12 VAC\DC | ||
Finally - the RA53b is loud. It has plenty of gain for operation in noisy environ- |
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ments, and works with most any headphone impedance. | Size: | 8.4” x 1.7” x 5” | ||
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| (21.3 x 4.3 x 13 cm) |
INSPECTION |
| Weight: | 2.5 lbs (1.14 kg) | |
1. Unpack and inspect the RA53b box and package. |
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If obvious physical damage is noticed, contact the carrier immediately to make a |
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damage claim. We suggest saving the shipping carton and packing materials for |
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safely transporting the unit in the future. |
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2. Please complete our online Warranty Registration by visiting our website; |
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www.rolls.com. Click on the REGISTER YOUR WARRANTY HERE line. Or, |
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complete the Warranty Registration Card and return it to the factory. |
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TABLE OF CONTENTS |
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Introduction | 1 |
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Inspection | 1 |
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Table of Contents | 1 |
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Description |
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Front Panel | 2 |
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Rear Panel | 2 |
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Connection | 3 |
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Operation | 4 |
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Schematic | 5 |
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Specifications | 6 |
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Warranty | Back Cover |
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1 | 6 |
