Block Diagram; Specifications - Sound Devices MM-1 User Manual And Technical Manual

MM-1 Mic Preamp with Headphone Monitor
User Guide and Technical Documentation
Gain:
(Mic - Line)
Gain Accuracy
(Mic - Line)
Frequency Response
(Mic - Line)
Equivalent Input
Noise:
(Mic)
Output Clipping Level:
(Line)
Input Clipping Level:
(Mic)
Dynamic Range:
(Mic to Line)
THD + Noise
Common Mode
Rejection Ratio:
MM-1 Frequency
Response
-- w/80 Hz HP
·· w/160 Hz HP
page 4

Block Diagram

Specifications

0 dB to 66 dB input to output, switch selectable
+0.6, -0.1 dB with reference to front panel gain markings
(150 ohm source, 100 k load impedances)
20 Hz –20 kHz, +0.1, -0.5 dB, -1 dB at 50 kHz
(relative to 1 kHz level with 150 ohm source)
-126 dBu (-128 dBV) maximum
(150 ohm source, flat weighting, 22 Hz – 22 kHz bandwidth
gain setting 36 dB or greater)
+22 dBu minimum with 100k ohm load
+20 dBu minimum with 600 ohm load
+4 dBu minimum at the 0 or +18 dB gain setting
122 dB minimum at the +18 dB gain setting
0.05% maximum
(from 50 Hz – 22 kHz @ +4 dBu output level, 22 Hz – 22
kHz filter bandwidth, +46 dB gain setting
100 dB minimum at 80 Hz
60 dB minimum at 10 kHz
+1
+0
-1
-2
d
B
u -3
-4
-5
-6
10 20 50 100 200 500 1k 2k
Hz
5k 10k 20k 50k 100k