
Description
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.
Features:
- Modular design allows fast and easy custom configurations.
- Engineered for high performance with wide frequency response, very low noise and distortion, and excellent output regulation.
- Eight Module Slots accept any combination of TOA plug-in modules for unmatched flexibility.
- Dual Mute Bus permits multiple levels of paging priority using optional mute-type modules.
- Remote Master Volume controlled with an external 10k ohm linear-taper potentiometer.
- Balanced, Transformer-Isolated Output with screw terminal connector and protective cover plate.
- Front Panel Features:
- Individual Channel and Master Volume Controls.
- Bass/Treble Tone Controls with Tone Defeat Switch.
- Normal, Peak, Power, Protect, and Signal LEDs provide instantly recognizable status indication.
- Rear Panel Features:
- Auxiliary Output for connecting an external mixer or recording device.
- Bridging Input/Output Jack for fast and easy system expansion.
- Volume Control Security Covers included (4), model YA-920.
- Optional Rack-Mount Kit, model MB-25B (2 RU).
- UL / CSA Listed.
- Five Year Warranty.
Type | 8-channel mixer preamplifier |
Power Requirement | AC mains, 120 V, 60 Hz |
Power Consumption | 18 W |
Rated Output | +4 dBm, +20 dBm (max.) |
Power Band Width | 30 _ 20,000 Hz, +20 dBm 0.5% THD 25 _ 20,000 Hz, +18 dBm 0.5% THD |
Frequency Response | 20 _ 20,000 Hz, ±1 dB |
T.H.D | 0.01% at 1 kHz, rated output |
Inputs | Eight Input Ports : Each port accepts any input modules. One Bridging Input/Output |
Input Sensitivity /Impedance | Input Port #1 to #8 : 100 mV/10 k½ Bridging Input/Output : 100 mV/3.3 k½ |
Outputs | Main : Balanced, 150/600 ½ AUX : Unbalanced, 10 k½, 0 dBm |
Output Regulation(1kHz) | Less than 1.5 dB, no load to full load |
S/N Ratio Tone defeat switch on | Master volume min : 90 dB (Band Pass 20 _ 20,000 Hz) Master volume max : 77 dB (Band Pass 20 _ 20,000 Hz) |
Tone Controls | Bass : ±10 dB at 100 Hz, Treble : ±10 dB at 10 kHz |
Controls | 8 Input gain controls 1 Master gain control 1 Bass control 1 Treble control 1 Power ON/OFF switch 1 Tone defeat switch |
Indicators | 1 Power LED, 1 Protect LED, 1 Signal LED, 1 Normal LED, 1 Peak LED |
Protection | Self-protection, with AC fuse (inside) |
Connectors | 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 |
Temperature Range | -10_ _ +60_ (12_F _ 140_F) |
Finish | Black |
Dimensions(W_H_D) | 420(16.54") _ 99.1(3.90") _ 307.5(12.11") mm |
Weight | 5.3 kg (11.68 lb.) |
Accessories | Volume control covers (YA-920)ÉÉ4 |
Option | Rack mounting bracket (MB-25B) |
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.
Features:
- Modular design allows fast and easy custom configurations.
- Engineered for high performance with wide frequency response, very low noise and distortion, and excellent output regulation.
- Eight Module Slots accept any combination of TOA plug-in modules for unmatched flexibility.
- Dual Mute Bus permits multiple levels of paging priority using optional mute-type modules.
- Remote Master Volume controlled with an external 10k ohm linear-taper potentiometer.
- Balanced, Transformer-Isolated Output with screw terminal connector and protective cover plate.
- Front Panel Features:
- Individual Channel and Master Volume Controls.
- Bass/Treble Tone Controls with Tone Defeat Switch.
- Normal, Peak, Power, Protect, and Signal LEDs provide instantly recognizable status indication.
- Rear Panel Features:
- Auxiliary Output for connecting an external mixer or recording device.
- Bridging Input/Output Jack for fast and easy system expansion.
- Volume Control Security Covers included (4), model YA-920.
- Optional Rack-Mount Kit, model MB-25B (2 RU).
- UL / CSA Listed.
- Five Year Warranty.
Type | 8-channel mixer preamplifier |
Power Requirement | AC mains, 120 V, 60 Hz |
Power Consumption | 18 W |
Rated Output | +4 dBm, +20 dBm (max.) |
Power Band Width | 30 _ 20,000 Hz, +20 dBm 0.5% THD 25 _ 20,000 Hz, +18 dBm 0.5% THD |
Frequency Response | 20 _ 20,000 Hz, ±1 dB |
T.H.D | 0.01% at 1 kHz, rated output |
Inputs | Eight Input Ports : Each port accepts any input modules. One Bridging Input/Output |
Input Sensitivity /Impedance | Input Port #1 to #8 : 100 mV/10 k½ Bridging Input/Output : 100 mV/3.3 k½ |
Outputs | Main : Balanced, 150/600 ½ AUX : Unbalanced, 10 k½, 0 dBm |
Output Regulation(1kHz) | Less than 1.5 dB, no load to full load |
S/N Ratio Tone defeat switch on | Master volume min : 90 dB (Band Pass 20 _ 20,000 Hz) Master volume max : 77 dB (Band Pass 20 _ 20,000 Hz) |
Tone Controls | Bass : ±10 dB at 100 Hz, Treble : ±10 dB at 10 kHz |
Controls | 8 Input gain controls 1 Master gain control 1 Bass control 1 Treble control 1 Power ON/OFF switch 1 Tone defeat switch |
Indicators | 1 Power LED, 1 Protect LED, 1 Signal LED, 1 Normal LED, 1 Peak LED |
Protection | Self-protection, with AC fuse (inside) |
Connectors | 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 |
Temperature Range | -10_ _ +60_ (12_F _ 140_F) |
Finish | Black |
Dimensions(W_H_D) | 420(16.54") _ 99.1(3.90") _ 307.5(12.11") mm |
Weight | 5.3 kg (11.68 lb.) |
Accessories | Volume control covers (YA-920)ÉÉ4 |
Option | Rack mounting bracket (MB-25B) |
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