Operating Instructions
Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
M-1A
Control
Electronics
Unit
Specications
Balanced (active), 47k ohms
Active push-pull, will drive 600 ohms
+26 dBv
+20 dBv
-90 dBv ("A" weighted)
>110 dB
10k ohm true differential
1600 Hz
Active all-pass
RMS limiter, 100 msec. integration time
RMS limiter, 100 msec. integration time
VHF Peak limiter, 2 msec. on-time, 35 msec.
release time
Green LEDs
Red LEDs
Green LED
Green LEDs
Level control, AC on/off switch
Lo Cut switch, Safe switch, VHF var/cal
switch
VHF control (single-turn screwdriver adjust)
XLR-type (A-3),
1
/
4
" RTS phone receptacles
Unbalanced,
1
/
4
" phone receptacle
(inserts Lo Cut, disables Level control)
Banana receptacles
120V AC
240V AC option available
19"W x 1
3
/
4
" H x 7
3
/
4
" D
8 lbs (3.4 kg)
Input Type
Output Type
Maximum Input/Output Level
Balanced
Unbalanced
Hum and Noise
Dynamic Range
Sense Inputs
Electronic Crossover Frequency
Low Frequency Delay Type
Driver Protection Circuitry
Low Frequency
High Frequency
Indicators
Sense: Hi and Lo
Limit: Hi, Lo and VHF
Safe
Power Supply, Positive and Negative
Controls
Front Panel
Preset Panel
Connectors
Balanced Inputs/Outputs
Subwoofer Circuit Input
Sense Inputs
Power
Physical Dimensions
Weight
05.050.041.01A
© 1994 Meyer Sound
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