HRS-1S Half Rack Analog Stereo Audio Speaker Monitor User Guide Part Number 821535, Revision E
© 2012 Wohler Technologies, Inc. and PANORAMA. All rights reserved. This publication is protected by federal copyright law. No part of this publication may be copied or distributed, stored in a retrieval system, or translated into any human or computer language in any form or by any means electronic, mechanical, manual, magnetic, or otherwise, or disclosed to third parties without the express written permission of Wohler Technologies.
HRS-1S User Guide Introduction Overview The HRS-1S audio monitor provides self-powered, fidelity monitoring in the very smallest rack space possible. The HRS-1S contains two high performance transducers driven by two separate power amplifiers. One amplifier/driver combination handles midrange and high frequency information, while the other channel reproduces information below the 500 Hz crossover point.
H RS - 1 S U s e r G u i d e S a f e t y I n s tr u c ti o n s Safety Instructions IMPORTANT: 1. Read, keep, and follow all of these instructions; heed all warnings. 2. Do not use this equipment near water. 3. Use only a dry cloth to clean the equipment. 4. Do not block any ventilation openings. Install only in accordance with the instructions in the section entitled, “Installation Recommendations” on page 3. 5.
HRS-1S User Guide I n s ta l la t i o n R e c o m me n d a t io n s Installation Recommendations Mounting The unit is designed to install into a standard 19" rack mounted at eye level for best audio monitoring. Three rack mount kits are available depending on your needs: Part Number RE-1 RE-2 RE-3 Half-Rack Mounting Hardware Kits Center Mount Kit Side Mount Kit Side-by-Side Mount Kit Heat Dissipation The ambient temperature inside the mounting enclosure should not exceed 40° Celsius (104° Fahrenheit).
H RS - 1 S U s e r G u i d e D e s c r ip t i o n Description The HRS-1S comes equipped with a ganged stereo volume control, power indication LED, stereo/mono toggle switch, and headphone output. Output limiter circuits are incorporated to protect the speakers, and extensive magnetic shielding allows placement immediately adjacent to video monitors with no color impurities.
HRS-1S User Guide S p e ci f i c a t i o n s Specifications The specifications of the HRS-1S are listed below. Table 1–1 HRS-1S Specifications Specification Input Impedance Input Level for Maximum Output (Volume Full On) Input Overload Peak Acoustic Output (at 2 ft.
H RS - 1 S U s e r G u i d e Front Panel Features Front Panel Features Figure 1–1 Front Panel Features Power Input A/B Select Volume Headphones Speakers • Power Indication (Green LED): This LED glows green to indicate the HRS-1S is connected to operational mains power. • Headphone Output (1/4" Jack): For full stereo monitoring use the headphone output feature. Note that in order to monitor the audio in stereo through the headphones you will need to place the A/B select switch to both.
HRS-1S User Guide Rear Panel Connectors Rear Panel Connectors Figure 1–2 DC Power Left Input Rear Panel Connectors Right Input Left Output Right Output • Power (External Power Supply Connector): Attach the supplied 24 VDC power supply module between this connector and mains power (100 - 250VAC, 50/60 Hz). The front panel power LED will glow green to indicate operating voltages are present.
H RS - 1 S U s e r G u i d e Technical Functional Overview Figure 1–4 Male XLR Pin-Out Technical Functional Overview Figure 1–5 illustrates the functionality of the HRS-1S. Figure 1–5 HRS-1S Block Diagram Headphone Loop Output A Stereo/ Mono Switch Volume A Analog Input B Loop Output B 8 821535: H R S - 1 S U s er G u i d e © 2 0 1 2 Wo h l e r Tec h n o l o g i e s , I n c. A l l r i g h t s r e s er ve d .
