Appendix C Mm-4Ceu Specifications - Meyer Sound MM-4CEU Operating Instructions Manual

APPENDIx C
mm-4CEU Specifications
Audio Input
Type
Max common mode range
Connector(s)
Input Impedance
Wiring
DC blocking
CMRR
RF Filter
Input Level
Audio Output
Type
Out voltage
Connectors
Output impedance
Wiring
Audio Performance
Hum and noise
Dynamic range
THD
Response accuracy
AC Power
Connector
Voltage selection
UL/CE rated voltage
Current draw
Physical
LED Indicators
Controls
SpeakerSense connectors
Weight
Finish
mm-4CEU front & Rear Panels
Power
-15V
MM-4 Controller
A B
Input
Differential, electronically balanced; RF and transient protected
±15 V DC, clamped to earth for voltage transient protection
Two female XLR, one for each input channel
10 kΩ differential between pins 2 and 3
Pin 1: Chassis/earth through 11 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio
frequencies; Pin 2: Signal +; Pin 3: Signal -; Case: Earth ground and chassis
None
>60 dB, typically 80 dB (50 Hz - 1 kHz)
Common mode 850 kHz; differential mode 370 kHz
Maximum input voltage 25 V peak-peak (+21 dBu sine wave)
Active push-pull, electronically balanced, capable of driving 600 Ω Load; RF & transient protected
Maximum 50 V peak-peak (+27 dBu sine wave)
Two male XLR, one for each output channel
200 Ω differential between pins 2 and 3
Pin 1: Chassis/earth; Pin 2: Signal +; Pin 3: Signal -
<-90 dBV (A-weighted)
>115 dB
< 0.01%, typically <.002%
<0.25 dB (20-20 kHz)
IEC 320
Switch selectable on rear panel
90 - 130 V AC; 180 - 260 V AC; 50/60 Hz
0.160 A max (rear panel T 160 mA fuse protected)
Sense Threshold/Gain Detect: (2) Red/Green LEDs, one per channel; RMS Limiters: (2) Yellow LEDs, one
per channel; Peak Limiters: (2) Yellow LEDs, one per channel; Power: (1) Green LED Front panel: (2) Rotary
input attenuators, one per channel; (2) Recessed low cut filter switches, one per channel; (1) AC power
latching push switch
Rear Panel: (1) AC voltage selector, recessed; (1) T250V fuse and holder
MultiSense, (4) dual banana, two per channel
Note: When using multiple sense lines, all lines must be in same electrical polarity.
19.00" W x 1.75" H x 7.75" D standard rack mount (482 mm x 44 mm x 197 mm)
Black, powder coated
Peak Limit
RMS Limit
Sense
A B
+ +
+ +
-
-
-
-
Amp 1 A Sense Amp 2 Amp 1 B Sense Amp 2
A Output B
A B
6 5 6
8 8
Lo Cut 4
10 10
3
In
2
1
20 20
h h
0
Out
B
A Attn dB
200- 100-
250 125
V Range
T160mA 250V
100-125 V50-60 Hz
200-250 V
APPENDIX C
5
4
3
2
1
0
15