MB-25B
Rack mount bracket
M-900MK2
8-Channel Mixer Preamplifier
M-900MK2
The M-900MK2 Mixer Preamplifier controls and mixes up to eight independent input signals and delivers up to +20 dBm of output power. Optional plug in modules are available for use with mixer preamplifier to provide versatility for a wide range of operating applications.
Power Source
AC Mains, 120 V, 60 Hz
Power Consumption
18 W
Rated Output
+4 dBm, +20 dBm (max.)
Power Bandwidth
30 - 20,000 Hz, +20 dBm 0.5% THD
25 - 20,000 Hz, +18 dBm 0.5% THD
25 - 20,000 Hz, +18 dBm 0.5% THD
Frequency Response
20 - 20 kHz, ±1 dB
Total Harmonic Distortion
0.01% at 1 kHz, rated output
Input
Eight Input Ports : Each port accepts any input modules. One Bridging Input/Output
Input Sensitivity/Impedance
Input Port #1 to #8 : 100 mV/10 kΩ
Bridging Input/Output : 100 mV/3.3 kΩ
Bridging Input/Output : 100 mV/3.3 kΩ
Output
Main : Balanced, 150/600 Ω
AUX : Unbalanced, 10 kΩ, 0 dBm
AUX : Unbalanced, 10 kΩ, 0 dBm
Output Regulation (1kHz)
Less than 1.5 dB, no load to full load
Signal to Noise Ratio
Master volume min : 90 dB (Band Pass 20 - 20,000 Hz)
Master volume max : 77 dB (Band Pass 20 - 20,000 Hz)
Master volume max : 77 dB (Band Pass 20 - 20,000 Hz)
Tone Control
Bass : ±10 dB at 100 Hz,
Treble : ±10 dB at 10 kHz
Treble : ±10 dB at 10 kHz
Control
8 Input gain controls 1 Master gain control
1 Bass control 1 Treble control
1 Power ON/OFF switch 1 Tone defeat switch
1 Bass control 1 Treble control
1 Power ON/OFF switch 1 Tone defeat switch
Indicator
1 Power LED, 1 Protect LED, 1 Signal LED, 1 Normal LED, 1 Peak LED
Protection
Self-protection, with AC fuse (inside)
Connector
Input No.1 to No.8 : Card-edge connector
Bridging, Aux output : RCA phone jack
Output : Screw-terminal strip
Mute, Remote VR : Screw-terminal strip
AC power cord/plug : SJT, 3-prong type
AC outlet : 3-pin grounding type
Bridging, Aux output : RCA phone jack
Output : Screw-terminal strip
Mute, Remote VR : Screw-terminal strip
AC power cord/plug : SJT, 3-prong type
AC outlet : 3-pin grounding type
Operating Temperature
-10 °C to +60°C (12 °F to 140 °F)
Finish
Black
Dimensions
420(16.54") × 99.1(3.90") × 307.5(12.11") mm
Weight
5.3 kg (11.68 lb.)
Included Accessories
Volume control covers (YA-920) x 4
Optional Accessories
Rack mounting bracket (MB-25B)
Please download Datasheet to access full specifications.
Installation Accessories
Functional & Interface Accessories
B-01F
Balanced Line Input
B-01S
Line Input Module
B-11S
Line Input Module
B-21S
Bridging Transform Module
B-41S
Bridging Transform Module
E-03R
Controller Module
L-01F
Balanced Line Matching Input
L-01S
Line Input Module
L-11S
Line Input Module
L-41S
Line Input Module
M-01F
Mic Preamplifier Module
M-01M
Mic Preamplifier Module
M-01P
Mic Preamplifier Module
M-01S
Microphone Input Module
M-21S
Mic Preamplifier Module
M-11S
Mic Preamplifier Module
M-41S
Microphone Module
M-61S
Microphone Input Module
ML-11T
900 Series Plug-in Module
NM-01-AM
Noise Masking Module
S-01S
Sine Wave Test Tone Generator Module
S-02S
Buzzer/Yelp Tone Generator Module
S-04S
Switch-Selectable Tone Generator Module
T-01S
Line Output Module
SP-11N
SIP Module
T-02S
Line In/Out Preamp Module
T-12S
Line Input with MOH Output Module
U-01F
Unbalanced Line Input
U-01P
Unbalanced Line Input
U-01R
Unbalanced Line Input
U-01S
Line Input Module
U-03R
AUX Module
U-03S
AUX Module
U-11R
Unbalanced Line Input with Mute-Receive
U-11S
Line Input Module
U-12S
Line Input Module
U-13R
AUX Module
U-13S
AUX Module
U-14R
Input Priority Module
U-21S
Unbalanced Line Input with Remote Volume Control
U-43R
AUX Module
U-43S
AUX Module
U-61S
Line Input Module
V-01S
VCA Module
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