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Audio Mixer

TOA M-900MK2

TOA / M-900MK2
BCS Price:Click Here to Contact Us
Item #:MO803752
Condition:Reference Item
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Model Description:
M-900MK2 Mixer/Pre-amplifier is engineered for high performance with wide frequency response

Model Details

The M-900MK2 Mixer/Pre-amplifier is engineered for high performance with wide frequency response, very low noise and istortion, 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.



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.


  • Specifications:

    SPECIFICATIONS

    Type 8-channel mixer preamplifier
    Output Power +4dBm, +20dBm (max.)
    Power Bandwidth 30-20,000Hz, +20dBm 0.5% THD
    250-20,000Hz, + 18dBm 0.5% THD
    Frequency Response 20-20,000Hz, 1dB
    Total Harmonic Distortion 0.01% at 1kHz, rated output
    Inputs Eight input ports: Every port accepts any input
    module

    One bridging input/output
    Input Sensitivity/Impedance Input port #1 to #8: 100mV/10k ohms
    Bridging input/output: 100mV/3.3k ohms
    Source Impedance 200 ohms with M-01/M-11/M-21/M-51/M-61 modules
    (balanced Lo-Z microphone preamplifier)
    50k ohms with M-03 module
    (unbalanced Hi-Z microphone preamplifier).
    R-01 module (mag. phono preamplifier)
    220k ohms with U-01/U-11/U-21/U-61 modules
    (auxiliary preamplifier)
    10k ohms with B-01/B-11 modules
    (bridging transformer)
    600 ohms with L-01/L-11/L-41 modules (line matchingtransformer),
    l-01 module (paging input)
    600 ohms (load impedance) with T-01 module(line output)
    Outputs Main: Balanced, 150/600 ohms
    Aux: Unbalanced, 10k ohms, 0dBm
    Output Regulation (1kHz) Less than 1.5dB, no load to full load
    Signal-to-Noise Ratio Master volume min.: 90dB
    (Band Pass: 20-20,000Hz) Master volume max.: 77dB
    With Tone Controls Centered
    Tone Controls
    Bass: ± 10dB at 100Hz; Treble: ± 10dB at 10kHz
    ±

    Controls 8 input gain controls 1 bass tone control
    1 power ON/OFF switch 1 treble tone control
    1 master gain control 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 fuses (inside)
    Connectors Input #1 to #8: Card-edge connector
    Bridging, Aux output: RCA phono jack
    Output: Screw-terminal strip
    Mute, Remote master VR: Screw-terminal strip
    AC power cord/plug: SJT, 3-prong type
    AC outlet: 3-pin grounding type
    Power Consumption 18 watts

    Temperature Range 12°F to 140°F (-10°C to +60°C)

    Dimensions 16.5”(W) x 3.9”(H) x 12.1”(D) (420 x 99.1 x 307.5mm)

    Weight 11.7lbs. (5.3kg)

    (without input modules)

    Color Black

    Standard Accessories 4 volume control covers (YA-920), 7 input port covers

    Other Features Output disconnected for approx. 5 seconds after switching power on.

    Optional Accessories Plug-in modules (see specifications for individual modules),

    Rack mounting bracket model MB-25B
    Specifications are subject to change without notice.



    Additional Information

    M-900MK2.pdf

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