Rolls PM57 Quick Start Manual

INTRODUCTION
Thank you for your purchase of the PM57 Headphone Tap. The
PM57 is for connecting headphones to a speaker line. The 1/4"
Mono/stereo loop jacks are for cascading more boxes in series.
There are two headphone jacks and volume control. The Head-
phone Tap uses the speaker line signal for power, therefore
requires no batteries or external power.
ALWAYS SET THE ATTENUATION SWITCH TO THE PROPER
SETTING FOR YOUR INTENDED USE BEFORE CONNECTING
ANYTHING TO THE PM57 (INPUTS, OUTPUTS AND LOOPS).
THIS IS VERY IMPORTANT FOR YOUR SAFETY, THE SAFETY
OF THE PM57, AND ALL OTHER EQUIPMENT YOU WILL BE
USING WITH THE PM57!!!!!!!!!
WARRANTY
To register this product, visit our website at www.rolls.com
SPECIFICATIONS
Input Impedance:
Size:
Weight:
SCHEMATIC
STEREO
PHONE 1/4
SW1A
J1 1
3
DPDT
MONO
PHONE 1/4
J2
H1A
1
HD3
RIGHT
H1B
2
SCREW TERM HD3
H1C
3
LEFT HD3
150 Ω
2.75" x 3" x 1.25"
.5 lbs
DP3THOR
R3 4.7K
SW2A
1
2 3
P1B
10KC
2 4 J5
JK3.5ST
9
R2 470
CASE
DP3THOR
R4 4.7K
SW2B
8 PHONE 1/4
7 6 J4
10KC
5
R1 470 P1A
ROLLS CORPORATION
5968 So 350 West
MURRAY UTAH 84107
PM57 HEADLINE TAP
Document Number:
Ba PM57.SCH
Date: 5 NOVEMBER 2010 Sheet
USING THIS SYSTEM AT EXCESSIVE VOLUMES CAN
CAUSE PERMANENT HEARING DAMAGE.
USE AS LOW A VOLUME AS POSSIBLE
In order to use this system safely, avoid prolonged listening at
excessive sound pressure levels. Please use the following guide-
lines established by the Occupational Safety Health Administra-
tion (OSHA) on maximum time exposure to sound pressure levels
before hearing damage occurs.
120 dB SPL - avoid or damage may occur
It is diffi cult to measure the exact Sound Pressure Levels (SPL) present at the ear-
drum in live applications. In addition to the volume setting on this Personal Monitor
unit, the SPL in the ear is affected by ambient sound from fl oor wedges or other
devices. The isolation provided by the fi t of quality earphones is also an important
factor in determining the SPL in the ear.
Follow these guidelines in the use of this product to protect your ears from damage:
1. Turn up the volume only to the point where hearing is comfortable.
2. Ringing in the ears may indicate that the levels are too high. Lower the volume
level.
3. Have your ears checked by an audiologist on a regular basis.
4. ALWAYS START WITH THE VOLUME AT 0 OR OFF THEN GRADUALLY
TURN IT UP TO A COMFORTABLE LEVEL!
Rev:
A
1 of 1
WARNING
90 dB SPL at 8 hours
95 dB SPL at 4 hours
100 dB SPL at 2 hours
105 dB SPL at 1 hour
110 dB SPL at 1/2 hour
115 dB SPL at 15 minutes