- Description
Details
The TOA 900 series are widely recognized as the industry standard in installed sound system amplification. When reliability and performance are critical – such as in paging and music distribution for airport, hospital, and industrial sound systems – you can count on the TOA 900 Series to perform consistently, day-in and day-out. The M-900MK2 Mixer/Pre-amplifier is engineered for high performance with wide frequency response, very low noise and distortion, and excellent output regulation. Eight module slots allows you to easily configure custom configurations using TOA plug-in modules with an extensive array of features and connector types. With the rear-panel Bridge In/Out jack, you can increase the input capacity by connecting a second mixer or mixer/amplifier. Outputs include a balanced, transformer-isolated, line-level output for connection to an external amplifier and an unbalanced auxiliary output. Multiple paging priorities are easily configured using optional mute-type modules activated by external switch-closure or mute send modules. Other features include bass/treble controls and remote master volume terminals.
- Features
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
- 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
- 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)
- Specification
Product 8-Channel Mixer/Pre-Amplifier Output Power +4 dBm, +20 dBm (max.) Power Bandwidth 30 - 20k Hz, +20 dBm 0.5% THD250 - 20k Hz, +18 dBm 0.5% THD Frequency Response 20 - 20k Hz, ±1 dB Total Harmonic Distortion 0.01% at 1k Hz, rated output Inputs 8 input ports: every port accepts any input module1 Bridging Input/Output Input Sensitivity & Impedance Input port #1 to #8: 100 mV / 10k Ω Bridging Input/Output: 100 mV / 3.3k Ω Outputs Main: Balanced, 150/600 ΩAux: Unbalanced, 10k Ω, 0 dBm Output Regulation (1k Hz) Less than 1.5 dB, no load to full load Dynamic Range Master volume set to min.: 90 dB Master volume set to max.: 77 dB Tone Controls Bass: ±10 dB at 100 Hz; Treble: ±10 dB at 10k Hz Indicators Normal, Peak, Power, Protect, and Signal LEDs Protection Self-protection, with internal AC fuses Power Consumption 18 W Temperature Range 12° F to 140° F (-10° C to +60° C) Color Black Dimensions (H x W x D) 3.9" (99.1 mm) x 16.5" (419 mm) x 12.1" (307.3 mm) Weight (Without Modules) 11.7 lbs (5.3 kg) - Documents
Documents
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