Quick-Start Guide

RM424
4 Zone Mixer
Quick Start Guide
ROLLS CORPORATION
SALT LAKE CITY, UTAH
01/13
ROLLS CORPORATION
5968 South 350 West
Salt Lake City, UT 84107
Phone [phone]
FAX [phone]
www.rolls.com
NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF
AUDIO ELECTRONICS, BALANCED AND UNBALANCED CONNECTIONS, AND
PROPER SIGNAL LEVEL SETTINGS. FOR PROPER SETUP AND USE CONTACT
YOUR DEALER.
1/8”
OFF=UP
ON=DOWN
www.rolls.com
+
-
VDC
RM424
4 Zone Mixer
ZONE 1
ZONE 2
TALK OVER ZONE ASSIGNMENT
PHANTOM POWER
ZONE
1
2
ZONE
1
2
ZONE
1
2
ZONE
1
2
MIC/LINE
MIC/LINE
INPUT LEVEL
MIC
LINE
PS27s
ZONE 3
ZONE 4
HEADPHONE
3
4
34
34
3
4
MONITOR
CHANNEL 4
CHANNEL 3
SERIAL NUMBER
REMOTE VOLUME
OUTPUT 3
OUTPUT 2
OUTPUT 1
OUTPUT 4
ZONE FOUR ZONE THREE ZONE TWO
ZONE ONE
3
4
MONITOR
MONITOR
MONITOR
MONITOR
MIC/CHANNEL 2
MIC 1
MIC/CHANNEL 2
MASTER VOLUME
1
2
34
MIC 1
+15
WIPER
COMM. +15
WIPER
CH.4
CH.3
REMOTE VOLUME
+15
WIPER
COMM. +15
WIPER
CH.2
CH.1
IN
OPERATION AND SET UP
REMOTE VOLUME
+15
WIPER
COMM. +15
WIPER
CH.2
CH.1
REMOTE VOLUME
+15
WIPER
COMM. +15
WIPER
CH.4
CH.3
The remote volume section on the rear panel of the RM424 allows the installer to place remote vol-
ume controls in any or all of the zones connected to the RM424. Wiring information is silk screened
above each remote volume connector.
Q: Does the remote volume wire carry audio signal?
A: No, the remote volume wire only carries a DC control voltage that varies according to the position
of the remote volume pot (10-100K Ohm linear potentiometer recommended) . Use of the remote
volume feature will not introduce any noise or cause any signal loss.
Q: What is the maximum length that I can run a remote volume wire?
A: Wire size can affect the maximum length. You can run up to 200 feet reliably, and with high quality
wire up to 1000 feet.
Below is a diagram of how to connect the pots to the remote volume Phoenix connectors.
REMOTE PAD: 5 pin Phoenix connector for connection to a remote potentiometer for remote volume
control. A 100K Ohm audio taper potentiometer is recommended (others will work).
+15: Connection to potentiometer.
WIPER: Connection to potentiometers wiper (middle pin).
COMM: Common Ground for connection to pots.
As a note: If the potentiometer pad is working opposite of what you intended just reverse the wires
going to that potentiometer.
SPECIFICATIONS
Input Impedance: 10K Ohms balanced Line
600 Ohms balanced Mic
10K Ohms unbalanced RCA
Output Impedance: 50 Ohms balanced XLR
Max Input Level: Mic: -30 dB
Source: +22 dB
Phantom Power: +48 Volts DC
Input Connectors: XLR and RCA
Outputs: 4 ea. XLR
Max Gain: 60 dB mic
30 dB line
S/N Ratio: >75 dB
THD: < .3%
IMD (SMPTE): < .3%
CMRR: 60 dB
Frequency Response: 20Hz to 20kHz +/- 0 dB
Power Adapter: 15VDC
Weight: 7 lbs (3KG)
Size: 19” x 1.75” x 6.5”
(48cm x 4.5cm x 17cm)