MA1705 Mixer / 70 V Amplifier
The MA1705 is a single rack space mixer amplifier designed for small installation applications. The
unit provides a compact and efficient way to mix up to three sources such as AM/ FM tuners, CD
players, and video players with up to two microphones. Priority talkover is provided on Microphone
One for paging, and on Source Three for a jukebox, telephone, etc. The power amplifier provides 70
Watts of power when connected to a 70 volt speaker system..
FEATURES:
• Two Microphone inputs with phantom power
• Tone controls for each Mic input
• Three stereo Source inputs
not used
• Direct access to the power amp section
• Bass and Treble controls on Sources One and Two
• Priority ducking on Mic Two and Source One
• Stereo pre-master level Record Output
• Balanced 70 volt line output
SOURCE 1
MIC 2
not used
PHANTOM
POWER
• Drives 70 volt speakers directly
• Spring-loaded output terminal
• Clip indication
olt
V
• Fault protected output
SPECIFICATIONS
er/70
MIXER
M
Amplfier
A
Input Impedance:
Mic:
600 Ohms XLR balanced
Source: 22K Ohms RCA
Insert: 22K Ohms 1/4" TS unbal.
Max Input Level:
Mic:
-14 dBV Mic level Max
UDHOC-NEP
RSIQ
Source: 24 dBV
Insert: 24 dBV
Connectors:
Phantom Power:
Max Gain:
2: XLR, 6: Stereo RCA, 3: 1/4" TRS, 1: 1/4” TS
+12 VDC
Mic:
60 dBV
Source: 26 dBV
+/-12 dB 100 Hz Bass
+/-12 dB 11kHz Treble
- 80 dBV
Tone Controls:
Noise Floor:
S/N Ratio:
96 dBV
Priority Attenuation:
60 dBV
POWER AMP
Recommended Load:
Frequency Response:
Size (W x H x D):
Weight:
70 Volt line (70 Watts maximum)
60Hz to 20 kHz
19" x 1.75" x 5" (48 x 4.5 x 12.7)
5.5 lbs (2.5 kg)
IMPORTANT NOTICES:THIS UNIT IS NOT DESIGNEDTO
DRIVE SPEAKERS DIRECTLY, IT IS FOR OPERATION IN 70
VOLT SYSTEMS. TOTALTAPS SHOULD NOT EXCEED 70
WATTS.THE FRONT PANEL ACTS ASTHE HEAT SINK FOR
THIS UNIT AND MAY GET HOT UNDER A HEAVY LOAD.
ROLLS Coporation
5968 South 350 West, Salt Lake City, UT, 84107
(801) 263-9053 FAX (801) 263-9068
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