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TOA A-903MK2 - 8-Channel 30-Watt Mixer Amplifier (Requires Modules)

 

  • Dale #:

    TOA-A903MK2

  • Availability:

    In Stock

  • Available for immediate shipment or pick-up from our Jamaica, NY warehouse. In-store pick-up is available Monday through Friday 8:30 am to 5:30 pm.

Description

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 ... Read More

Retail Price: $638.40 Our Price: $515.90

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Description

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) Modular Mixer/Amplifiers are engineered for high performance with wide frequency response, very low noise and distortion, and excellent output regulation.

Features:
  • Modular Eight Channel Mixer/Amplifiers for paging, background/foreground music distribution and music/messaging-on-hold.
  • Proven TOA Quality and Reliability
  • Engineered for High Performance with wide frequency response, very low noise and distortion, and excellent output regulation.
  • Three Models: A-903MK2 (30 W), A-906MK2 (60 W), A-912MK2 (120 W)
  • Eight Module Slots accept any combination of TOA plug-in modules for custom system configurations.
  • 25 V, 70 V and 8 Ohm Transformer-Isolated Speaker Outputs with screw terminal connector and protective cover plate (A-903MK2: 4 ohm).
  • Direct Low-Impedance Output Mode bypasses output transformer.
  • Dual Mute Bus permits multiple levels of paging priority using optional mute-type modules.
  • External Mute Terminals for activating mute function with external switch closure.
  • Remote Master Volume Terminals for control with an external 10k ohm linear-taper potentiometer.

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Product Specs

Type 8-channel mixer power amplifier
Power Requirement AC mains, 120 V, 60 Hz
Power Consumption 60 W
Output Power 30 W RMS
Power Band Width (D) 20 〜 20,000 Hz, 0.5% THD, (T) 50 〜 20,000 Hz, 0.5% THD
Frequency Response (D) 20 〜 20,000 Hz, ±1 dB
(T) 20 〜 15,000 Hz, ±1 dB, (T) 20 〜 20,000 Hz, +1 dB, -3 dB
T.H.D 0.02% 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 kΩ
Bridging Input/Output : 100 mV/3.3 kΩ
Preamp OUT /Power Amp IN 1000 mV into 600 Ω/1000 mV, 10 kΩ
Outputs(T)=Transformer (D)=Direct Main (T) : 4 Ω, 25 and 70 volts, balanced, Main (D) : 8 Ω, unbalanced
Aux : 10 kΩ, 1 V
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
S/N Ratio(Band Pass 20 〜 20,000 Hz) Tone defeat switch on Master volume min : 90 dB
Master volume max : 77 dB
Power amplifier only : 105 dB
Tone Controls Bass : ±10 dB at 100 Hz, Treble : ±10 dB at 10 kHz
Controls 8 Input gain control 1 Master gain control 1 Bass control
1 Treble control 1 Power ON/OFF switch 1 Tone defeat switch
1 Low-Cut switch (60 Hz, 6 dB/octave)
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, Mixer preamp. output, Power amp. input, Aux output : RCA phono jack
Output : Screw-terminal strip
Mute, Remote VR : Screw-terminal strip
AC outlet : 3-pin grounding type
AC power cord/plug : SJT, 3-prong type
Temperature Range -10℃ 〜 +60℃ (12゜F 〜 140゜F)
Finish Black
Dimensions(W×H×D) 420(16.54") × 99.1(3.90") × 318(12.52") mm
Weight 7.8 kg (17.20 lb.)
Accessories Volume control cover (YA-920)……4
Option Rack mouting bracket (MB-25B)

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