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INTRODUCTION
Thank your for your purchase of the Rolls RM82 Mic Line eight channel audio mixer. It is
intended for sound reinforcement or studio applications where several microphones or
line sources need to be combined to a single output. Please review this manual for proper
operation.
TABLE OF CONTENTS
1. INTRODUCTION
TABLE OF CONTENTS
FEATURES
INSPECTION
2. DESCRIPTION
Front Panel
Rear Panel
3. CONNECTION
1. Microphone and Main Output Connection
2. Connecting Two RM82 Units Together
3. Channel Direct Output
4. Channel Insertt
4. OPERATION
Setting the DIP switches
Configuring the unit for Direct Output Operation
Configuring the unit for Insert Operation
Configuring the Output Level
5. SCHEMATIC
6. SPECIFICATIONS
BACK COVER WARRANTY
FEATURES:
• 8 XLR Mic inputs
• 8 1/4” unbalanced line inputs which may be internally jumpered to be Inserts, or Direct
Outputs.
• Individual phantom power switches for each channel
• Front panel Trim and Tone controls
• RCA Aux/Bus input and pre-master output for cascading units or recording
• Balanced XLR output
INSPECTION
1. Unpack and inspect the RM82 box and package.
If obvious physical damage is noticed, contact the carrier immediately to make a damage
claim. We suggest saving the shipping carton and packing materials for safely transport-
ing the unit in the future.
2. Please visit our website at www.rolls.com and register your warranty at the “Register
Your Warranty Here” text, or complete the Warranty Registration Card and return it to the
factory.
SPECIFICATIONS
Input Impedance: Mic: 10K XLR balanced
1/4": 20K unbalanced
Bus Input: 10K unbalanced
Max Input Level: Mic: 0 dBV balanced
Line: +6 dBV
Input Connectors: 8: XLR, 8: 1/4" (Line), 1: RCA (Bus input)
Outputs: XLR bal., RCA unbalanced Prefade out
Max Gain: Mic: 55 dB
Line: 26 dB
Tone Control: 12 dB Treble/Bass cut
Phantom Power: +48 VDC
Output Level: +22 dBV max
Output Impedance: 51
Phase Shift: <10 degrees, 20Hz to 20 kHz
Max S/N ratio: 106 dB
THD: <.01%
CMRR: >52 dB (Mic)
Size: 19" x 1.75" x 6"
(48.3 x 4.5 x 15 cm)
Weight: 7 lbs. (3 kg)
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DIP SWITCH DEFAULT SETTING: ALL OFF
JUMPER DEFAULT SETTING: 1/4” JACKS AS INPUT
MAIN OUTPUT AS LINE