INTRODUCTION |
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Thank you for your purchase of the Rolls RA53 Stereo Headphone Amplifier. This | Input Impedance: | 10 KΩ | ||
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 RA53 is a | Maximum Output Power: | 300 mW per channel | ||
addition to the four master mix inputs, three separate mixes may be monitored | Output Impedance: | 10 Ω | ||
using the main inputs and the two Insert jacks on Channels 1 and 2. | S/N Ratio: | >90 dB | ||
A 1/4” Link Input/Output jack is provided for connecting two RA53 units together, | THD: | <.08% | ||
providing up to ten channels of headphone monitoring. | IMD (SMPTE): | <.08% | ||
Finally - the RA53 is loud. It has plenty of gain for operation in noisy environ- | Power: | 12 VAC | ||
ments, and works with most any headphone impedance. |
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| Size: | 8.4” x 1.7” x 5” | |
INSPECTION |
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| (21.3 x 4.3 x 13 cm) |
1. Unpack and inspect the RA53 box and package. | Weight: | 2.5 lbs (1.14 kg) | ||
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 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 |
