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The RM70 is a single rack space mixer designed for the install/contractor market. It
is ideal for small clubs, restaurants, churches, or schools. The unit mixes three bal-
anced microphones with five stereo sources to mono or stereo balanced Main Out-
puts.
The XLR Microphone Inputs have Mic/Line level switches, a Mic/Loop Insert jack,
and individually switchable +12 VDC phantom power. Priority talkover is available
on one microphone for paging. When this function is engaged, the signal at Mic One
temporarily mutes the source signals - the other two mic signals are still present.
A Music-On-Hold function has been included for connection to an telephone
system. The signal present at Source 3 Input will be sent to the Music On Hold screw
terminal outputs. A Music On Hold level control has been provided to adjust the
volume of this function.
Each Microphone input has a level and tone control, and Bass and Treble controls
have been provided for all the sources. A Master Output Level control adjusts the level
of all mixed signals.
A Remote Volume output jack is provided for connection to a 100K ohm linear
taper potentiometer and used as an external master level control.
FEATURES:
•
Three XLR Microphone Inputs
• Individually switchable phantom power
•
Five Stereo Source Inputs, Four RCA and one front panel stereo 3.5mm
•
T
one controls for each Mic Input / Bass and Treb
Tone controls for each Mic Input / Bass and TrebT
l
e controls for the Source Inputs
• Music-On-Hold function with rear-panel Level control
• 1/4" TRS Mic Insert jack
SPECIFICATIONS
Input Impedance: Mic: 600
Ω
XLR balanced
Line: 22K
Ω
Source: 22K
Ω
gold plated RCA
Mic/Loop: 22K
Ω
1/4" TS unbal.
Max Input Level: Mic: -14 dBV Mic level
+20 dB Line levl
Source: 24 dBV
Max Gain: Mic: 60 dB
Source: 26 dB
In/Out Connectors: 3: XLR, 4: Stereo RCA, 3: 1/4", 1: 3.5mm,
1 screw terminal
Phantom Power: +12 VDC
Output Level: +17 dBV max
Output Impedance: 51
Ω
Phase Shift: <10 degrees, 20Hz to 20 kHz
Tone Controls (Sources): +/-12 dB 100 Hz Bass
+/-12 dB 11kHz Treble
Tone Controls (Mic): -3dB; 300 Hz C.W. 4 kHz C.C.W.
Tone Shelving Slope 6 dB / Octave
Max S/N ratio: 96 dB
Nose Floor: - 80 dB
THD: <.025%
CMRR: >52 dB (Mic)
Size: 19" x 1.75" x 6"
(48.3 x 4.5 x 15 cm)
Weight: 5 lbs. (2.3 kg)
ROLLS Coporation
5968 South 350 West, Salt Lake City, UT, 84107
(801) 263-9053 FAX (801) 263-9068
info@rolls.com • www.rolls.com
RM70 Mic/Source Selector
10/31/06