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TOA A912MK2
Modular Mixer / Amplifier, A-912MK2
TOA A912MK2
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 A-903MK2 (30 W), A-906MK2 (60 W) and A-912MK2 (120 W) Modular Mixer / Amplifiers are engineered for high performance with wide frequency response, very low noise and distortion, and excellent output regulation. Eight module slots allow you to easily configure custom configurations using TOA plug-in modules with an extensive array of features and connector types. You can increase the input capacity by connecting a second mixer or mixer/amplifier to the rear-panel Bridge In / Out jack. Outputs include transformerisolated 25 V, 70 V and 8 ohm (A-903MK2: 4 ohm) plus a direct low-impedance mode if non-transformer operation is required.
Multiple paging priorities are easily configured using optional mutetype modules activated by external switch-closure or mute-send modules. Pre-Out / Power-In jacks allow connection of external signal processing between the mixer and amplifier sections. Other features include protection circuitry, auxiliary output, bass / treble controls and remote master volume terminals.
The 900 Series Mixer/Amplifiers are UL and cUL Listed and carry a five year warranty.
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.
- 30, 60 or 120 Watts RMS Output Power.
- 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.
- 25 V, 70 V and 4/8 Ohm Speaker Outputs with screw terminal connector and protective cover plate.
- Protection Circuitry prevents potential damage from overload, short-circuit, DC offset or overheating.
- Front Panel Features:
- Individual Channel and Master Volume Controls.
- Bass/Treble Tone Controls with Tone Defeat Switch.
- Low Cut Switch to limit low frequency response.
- 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.
- Pre-amp. Out / Power Amp. In Insert Jacks for connecting external signal processors.
- 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 modular mixer/amplifier
- Output Power: 120 W RMS
- Power Bandwidth: (D) 20 - 20k Hz, 0.5% THD; (T) 50 - 20k Hz, 0.5% THD
- Frequency Response:
- (D) 20 - 20k Hz, ±1 dB
- (T) 20 - 15k Hz, ±1 dB
- (T) 20 - 20k Hz, +1 dB / -3 dB
- Total Harmonic Distortion: 0.02% at 1k Hz, rated output
- Inputs: 8 input ports: every port accepts any input module; 1 Bridging Input/Output
- Bridging Input/Output: 100 mV / 3.3k Ohms
- Pre-amp. Out/ Power Amp. In: 1 V, 600 Ohms / 1 V, 10k Ohms
- Outputs:
- Main (T): 8 Ohms, 25 V & 70 V, balanced
- Main (D): 4 Ohms, unbalanced
- Aux: 1 V, 10k Ohms
- Output Regulation (1kHz):
- (D): Less than 0.5 dB, no load to full load
- (T): Less than 1.0 dB, no load to full load
- Dynamic Range:
- Master volume set to min.: 90 dB
- Master volume set to max.: 77 dB
- Power amplifier only: 105 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 fuse
- Power Consumption: 180 W
- Temperature Range: 12° F to 140° F (-10° C to +60° C)
- Color: Black
- Dimensions (W x H x D): 16.5” x 3.9” x 14.1” (420 x 99.1 x 358 mm)
- Weight (without modules): 25.1 lbs (11.4 kg)
- Other Features: Output connects approx. 5 seconds after switching power on.
- (T) = Transformer
- (D) = Direct
TMGR# A912MK2
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TOA MB25B Rack Mount Kit for 900-Series Amps Rack-mount kit for use with TOA 900-Series modular mixer / amplifiers. Usually ships in 1-2 business days List Price: $38.00 |
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TOA YA920 Volume Cover Volume Control Cover for 900MK2 Series, Black. Usually ships in 1-2 business days List Price: $4.00 |
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TOA M01F Female XLR Microphone Input For balanced, low impedance mics. Choose from four connector types: female XLR, male XLR, 1/4” phone jack or screw terminal. Usually ships in 1-2 business days List Price: $104.00 |
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TOA M01M Microphone Preamp, Male XLR For balanced, low impedance mics. Choose from four connector types: female XLR, male XLR, 1/4” phone jack or screw terminal. Usually ships in 1-2 business days List Price: $104.00 |
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TOA M01P Microphone Preamp, Female 1/4" For balanced, low impedance mics. Choose from four connector types: female XLR, male XLR, 1/4” phone jack or screw terminal. Usually ships in 2-3 weeks List Price: $94.00 |
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TOA M03P Mic Module/HiZ Unbalanced For unbalanced, high-impedance mics.Specifications: Controls / Functions:Gain ControlHigh and Low Cut FiltersPerformance Input: 50 k ubInput Sensitivity: -60 ~ -40 dBuGain (Adjustable): 22 ~ 42 dBMaximum Input: -8 dBSignal to Noise (S/N): ... Usually ships in 2-3 weeks List Price: $60.00 |
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TOA M11S Microphone Input with Mute-Receive For balanced, low impedance mics. Responds to mute bus activation, normally-on or normally-off.Specifications: Controls/Functions:Microphone Preamplifier with Muting Gain ControlHigh and Low Cut FiltersMute to on or offPhantom PowerPerform ... Usually ships in 1-2 business days List Price: $106.00 |
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TOA M21S Microphone Preamp Module For balanced, low impedance mics. Allows remote control of input signal using an external potentiometer.Specifications: Controls/Functions:Gain ControlHigh and Low Cut FiltersRemote Volume FacilityPhantom PowerPerformance Input: 600 tbInpu ... Usually ships in 1-2 business days List Price: $118.00 |
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TOA M41S Mic Preamp Module/Send Mute M-41SMicrophone Input with Mute-SendFor balanced, low impedance mics. Signal at input terminals activates mute bus.* Controls/Functions:o Gain Controlo High and Low Cut Filterso Mute Send Sensitivityo Phantom Power * Performance Input: 600 ... Usually ships in 1-2 business days List Price: $106.00 |
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TOA M51F Mic Preamp w/ Gate For balanced, low impedance mics. Gate function keeps module muted until input signal exceeds threshold. Choose from two connector types: female XLR or screw terminal connector.Specifications: Controls / Functions:Gain ControlLow Cut Filte ... Usually ships in 2-3 weeks List Price: $128.00 |
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TOA M51S Mic-Preamp w/Gate Screw Term For balanced, low impedance mics. Gate function keeps module muted until input signal exceeds threshold. Choose from two connector types: female XLR or screw terminal connector.Specifications: Controls / Functions:Gain ControlLow Cut Filte ... Usually ships in 2-3 weeks List Price: $108.00 |
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TOA M61F Mic Preamp with Compressor, Female XLR For balanced, low impedance mics. Compressor function prevents overload and distortion. Choose from two connector types: female XLR or screw terminal connector. Usually ships in 1-2 business days List Price: $138.00 |
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TOA M61S Mic-Preamp w/ Compressor, Screw Terminal For balanced, low impedance mics. Compressor function prevents overload and distortion. Choose from two connector types: female XLR or screw terminal connector. Usually ships in 1-2 business days List Price: $112.00 |
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TOA B01F Bridging Module For balanced or unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Transformer isolation minimizes ground loop problems when connecting remote equipment. Choose from two connector types: female XLR or screw ... Usually ships in 2-3 weeks List Price: $96.00 |
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TOA B01S Balanced Line Input, Screw Terminal For balanced or unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Transformer isolation minimizes ground loop problems when connecting remote equipment. Choose from two connector types: female XLR or screw ... Usually ships in 1-2 business days List Price: $74.00 |
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TOA B11S Bridging Module For balanced or unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Transformer isolation minimizes ground loop problems when connecting remote equipment. Responds to mute bus activation. ... Usually ships in 1-2 business days List Price: $94.00 |
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TOA B21S Bridging Transformer w/ Volume Balanced Line Input with Remote Volume ControlFor balanced or unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Transformer isolation minimizes ground loop problems when connecting remote equipment. Allows ... Usually ships in 1-2 business days List Price: $114.00 |
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TOA B41S Phone Paging/Mute Module For balanced or unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Transformer isolation minimizes ground loop problems when connecting remote equipment. Signal at input terminals activates mute ... Usually ships in 1-2 business days List Price: $94.00 |
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TOA L01F Line Matching Transformer For applications requiring 600 ohm line-matching. Connector type: female XLR.Specifications:Performance Input: 600 tbInput Sensitivity: -16 dBuGain (Adjustable): -2 dB (fixed)Maximum Input:+20 dB Usually ships in 2-3 weeks List Price: $96.00 |
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TOA L01S 600 Ohm Balanced Line Input Module, Screw Terminal For applications requiring 600 ohm line-matching. Connector type is screw terminal. Performance Input: 600 tb Input Sensitivity: -16 dBu Gain (Adjustable): -2 dB (fixed) Maximum Input:+20 dB Physical Connector: ... Usually ships in 2-3 weeks List Price: $74.00 |
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TOA L11S 600 Ohm Balanced Line w/ Muting, Screw Terminal For applications requiring 600 ohm line-matching. Responds to mute bus activation. Usually ships in 2-3 weeks List Price: $94.00 |
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TOA L41S 600 Ohm Balanced Line w/ Signal-Activated Muting, Screw Terminal For applications requiring 600 ohm line-matching. Signal at input terminals activates mute bus. Usually ships in 2-3 weeks List Price: $108.00 |
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TOA U01F Unbalanced Line Input For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Choose from four connector types: female XLR, 1/4” phone jack, RCA pin jack or screw terminal.Specifications: Gain control functionPerformance Input: ... Usually ships in 2-3 weeks List Price: $70.00 |
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TOA U01P Unbalanced Line Input, 1/4" For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Choose from four connector types: female XLR, 1/4” phone jack, RCA pin jack or screw terminal.Specifications: Gain control functionPerformance Input: ... Usually ships in 1-2 business days List Price: $60.00 |
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TOA U01R Unbalanced Line Input - RCA For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Choose from four connector types: female XLR, 1/4” phone jack, RCA pin jack or screw terminal.Specifications: Gain control functionPerformance Input: ... Usually ships in 1-2 business days List Price: $56.00 |
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TOA U01S Unbalanced Line Input, Screw For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Choose from four connector types: female XLR, 1/4” phone jack, RCA pin jack or screw terminal. Usually ships in 1-2 business days List Price: $56.00 |
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TOA U03R Unbalanced Line Input Module with High/Low Cut Filters For unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Choose from two connector types: dual RCA jacks with passive summing or removable terminal block. Usually ships in 1-2 business days List Price: $72.00 |
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TOA U11R Unbalanced Line Input, RCA For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Responds to mute bus activation. Choose from two connector types: RCA jack or screw terminal connector.Specifications: Controls / Functions:Gain Control ... Usually ships in 2-3 weeks List Price: $68.00 |
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TOA U11S Unbalanced Line Input, Screw Terminal For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Responds to mute bus activation. Choose from two connector types: RCA jack or screw terminal connector. Usually ships in 2-3 weeks List Price: $68.00 |
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TOA U12S Aux-Input Var-Muting Screw Ter Unbalanced Line Input with Variable Mute-Receive DepthFor unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Responds to mute bus activation. Adjustable depth provides "ducking" rather than full ... Usually ships in 2-3 weeks List Price: $80.00 |
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TOA U03S Terminal Block Module For unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Choose from two connector types: dual RCA jacks with passive summing or removable terminal block.Features: Controls/Functions: Gain Control; High and ... Usually ships in 1-2 business days List Price: $72.00 |
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TOA U14R Module for Jukebox, 2 input AGC, RCA Dual Input Priority with AGC.Features: Designed for applications with a business music source and an on-premises music source, such as a CD jukebox Two modules in one Two line inputs: Jukebox and BGM Automute function (Jukebox ... Usually ships in 1-2 business days List Price: $114.00 |
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TOA U21S Unbalanced Line Input For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Allows remote control of input signal using an external potentiometer. Also configurable as master remote volume control. Specifications: Controls / Fun ... Usually ships in 2-3 weeks List Price: $94.00 |
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TOA U61S Unbalanced Line Input w/ Compressor For unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Compressor function prevents overload and distortion. Also configurable as master compressor.Specifications: Controls / Functions:Gain ControlCompressor ... Usually ships in 2-3 weeks List Price: $118.00 |
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TOA E03R Processor Module 900 Series Processor module for F-122CU speaker. Connects between pre-am output and power amp output. Includes dual RCA cable.Specifications: Input Impedance 100k ohms, unbalanced Output Impedance 1k ohms, unbalanced Sensitivity +2.2 dBu Output ... Usually ships in 2-3 weeks List Price: $122.00 |
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TOA E04R Processor Module 900 Series Processor module for F-122CU speaker. Connects between pre-am output and power amp output. Includes dual RCA cable.Specifications: Input Impedance 100k ohms, unbalanced Output Impedance 1k ohms, unbalanced Sensitivity +2.2 dBu Output ... Usually ships in 2-3 weeks List Price: $122.00 |
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TOA S01S 1kHz Sine Wave Test Tone Generates 1 kHz sine wave tone via switch-closure. Ideal as a test tone for the audio system.Specifications: Controls / Functions:Level Control1 kHz Sine WavePerformance Input: Switch ContactsGain (Adjustable): Off ~ 0 dBPhysical Connector ... Usually ships in 2-3 weeks List Price: $92.00 |
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TOA S02S Buzzer/Yelp Signal Generator Generates both buzzer and yelp signals, which are turned on and off with external switches.Specifications: Controls / Functions:Level ControlBuzzer/YelpPerformance Input: Switch ContactsGain (Adjustable): Off ~ 0 dBSignal to Noise (S/N): ... Usually ships in 2-3 weeks List Price: $92.00 |
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TOA S04S Switch-Selectable Tone Generator for TOA amps Generates one of eight tones via switch-closure. Can be used for doorbell, paging, door/gate release, telephone night ringer, annunciator, class change or pre-announcement tone.Features and SpecificationsControls/Functions:Gain ... Usually ships in 1-2 business days List Price: $118.00 |
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TOA S20S Digital Audio Storage Module Features: Digital Audio Storage Module compatible with industry-standard TOA 900 and BG-MSeries mixer/amplifiers USB Interface for fast audio file transfer between PC and module Three Minutes of CD Quality Digital Storage - 50 to ... Usually ships in 1-2 business days List Price: $508.00 |
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TOA T01S 600 ohm Balanced Line Output, Screw Terminal For transformer-isolated output of mixing bus signal to feed other mixers, amps and tape recorders. (Functions only in A-900MK2, M-900MK2 and W-900A Series.) Usually ships in 1-2 business days List Price: $114.00 |
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TOA T02S Aux-Input / Bal-Output (Music-on-hold) For unbalanced, line level equipment. Transformer-isolated output of module’s input signal for feeding remote equipment such as mixers, amps, tape recorders and telephone system music-on-hold inputs.Specifications: Controls / Functions:I ... Usually ships in 2-3 weeks List Price: $136.00 |
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TOA V01S Remote Master Volume Control Module (VCA) Features: Voltage controlled amplifier (VCA) for applications requiring preset remote master volume control Line input and output connect to host amplifier's Preamp output and Power Amp input 24 VDC output and Control input ... Usually ships in 2-3 weeks List Price: $92.00 |
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TOA U43R Stereo Input Module w/MuteSend For unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Signal at input terminals activates mute bus. Choose from two connector types: dual RCA jacks with passive summing or removable terminal ... Usually ships in 1-2 business days List Price: $86.00 |
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TOA U43S U03S w/Mute Receive Unbalanced Line Input with High/Low Filters and Mute-SendFor unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Signal at input terminals activates mute bus. Choose from two connector types: dual RCA jacks ... Usually ships in 2-3 weeks List Price: $86.00 |
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