Wheelock PRM-150 Installation Instructions

273 Branchport Avenue
Long Branch, NJ 07740
(800) 631-2148
www.wheelockinc.com
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
MODEL NUMBER: PRM-150
FCC REGULATIONS:
This equipment complies with Part 68 of the FCC Rules. On the back of this equipment is a label that contains, among other
information, the FCC Registration Number and the Ringer Equivalence Number (REN) for this equipment. You must, upon request,
provide this information to your telephone company.
The REN is also useful to determine the quantity of devices that you may connect to your telephone line and still have all of those
devices ring when your telephone number is called. In most, but not all areas, the sum of the REN's of all devices connected to one
line should not exceed five (5.0). To be certain of the number of devices that you may connect to your line, you may want to contact
your local telephone company.
Should the equipment cause harm to the telephone network, the telephone company shall, if possible, notify the customer that
temporary discontinuance of service may be required. However, where prior written notice is not possible, the telephone company
may temporarily discontinue service without notice, if such action is necessary under the circumstances. The telephone company may
make changes in its communication facilities, equipment and operations procedures, where such action is reasonably required in the
operation of its business and is not inconsistent with the rules and regulations of the Federal Communications Commission.
Do not attempt to repair or modify this equipment. Repairs to this product will be performed by Wheelock Inc., 273 Branchport Ave.,
Long Branch, NJ 07740, in accordance with Wheelock's Inc. published Terms and Conditions of Sale. This equipment should not be
used on coin telephone lines. Connection to party line service is subject to state tariffs.
If trouble is experienced, disconnect this equipment from the telephone line to determine if it is causing the malfunction. If the
equipment is determined to be malfunctioning, its use shall be discontinued until the problem has been corrected.
GENERAL:
READ THESE INSTRUCTIONS CAREFULLY BEFORE USING THIS PRODUCT.
NOTE: All CAUTIONS and WARNINGS are identified by the symbol
The PRM-150 is designed to amplify levels from an audio source and provide the output to drive up to 150 speaker amplifiers. It is
also designed to boost audio levels to compensate for signal lost on long cable runs. When the volume control knob is set at 5 the
output signal level is equal to the input signal level.
CAUTION: These devices are not intended for use in hazardous locations as defined by the National Electrical Code (NEC) and
by the National Fire Protection Association (NFPA).
Copyright 2002 Wheelock, Inc. All rights reserved.
Thank you for using our products.
INSTALLATION INSTRUCTIONS
PREAMPLIFIER MODULE
PRM-150
4
T
3
INPUT FROM AN
AUDIO SOURCE 2
R
(600 OHM)
1
0
GND -24V
Figure 1: Simplified Connections
. All warnings are printed in bold capital letters.
5
6
T
7
OUTPUT TO
SPEAKER AMPLIFIERS
8
R
(4 OHM)
9
10
P81537 G
Sheet 1 of 5