Toa Electronics A-912MK2 120W 8-Channel Modular Mixer/Amplifier

Description

From the TOA 900 series of mixer/amplifiers, the A-912MK2 is a customizable unit ideal for background music, paging, on-hold messages, and other applications in hospitals, airports, schools, and other similar venues. The A-912MK2 is designed for high performance with a low self-noise, a wide frequency response, and excellent output regulation. This 120W unit features 8 input channels that accept any combination of TOA’s plug-in modules for ultimate customizability. The front panel features a master volume control and individual channel volume controls as well as bass and treble controls.

Input capacity may be increased by connecting another mixer or mixer/amplifier to the bridge in/out jack. The unit features transformer-isolated outputs, and a direct output mode if non-transformer operation is desired.

Modular Input Design
Eight expansion input slots house modules that provide line or microphone level connections.
25 and 70 Volt Operation
The mixer/amplifier is capable of 70V operation, suitable for long speaker runs throughout offices, airports, hospitals, restaurants, etc.
Paging Priority Modes
A Dual Mute Bus permits multiple levels of paging priority, using optional mute-type modules.
External Mute Terminals
Accommodate external mute switchers for remote mute operation.
Remote Master Volume Terminals
Enable remote master volume control.
Low-Cut Filter
A master low-cut filter switch eliminates low-frequency noise and rumble.
Auxiliary Output
The auxiliary output accommodates an external recording device, mixer, and more.
Insert Jacks
Insert jacks accommodate outboard signal processing.
Delayed Power Up
A power up delay feature protects the outputs and connected speakers from damage caused by surges during abrupt amplifier power up.

Amplifier
Form Factor/Type Tabletop (Rack-Mountable with Optional Hardware)
Number of Channels 8
Power Rating 120 W
Performance
Protections Overload, Power-On Delay, Short Circuit, Thermal
Frequency Response 20 Hz to 20 kHz
Input Sensitivity Bridging:
100 mV
I/O Impedance Bridging Input:
3.3 Kilohms
SNR 105 dB (Power Amp Only)
THD 0.02%
Signal Processing
EQ 2-Band
Filters High-Pass
Connectivity
Audio I/O 1 x RCA Unbalanced Aux Output
Digital Audio I/O None
Network I/O None
Other I/O 1 x RCA Bridging In/Out
Speaker Outputs 1 x Barrier Strip Balanced 8-Ohm/25 V/70 V
1 x Barrier Strip Unbalanced 4-Ohm
Number of Module Slots 8
USB None
Bluetooth None
Media/Memory Card Slot None
Power
AC Input Power 120 VAC, 50 / 60 Hz
Power Consumption 180 W
AC Outlet 120 VAC / 500 W Max Load / 4 A Max Draw (Unswitched)
Physical
Display & Indicators 1 x LED (Signal)
1 x LED (Status)
1 x LED (Protect)
Operating Temperature 12 to 140°F / -11 to 60°C
Dimensions 16.5 x 3.9 x 14.1″ / 419.0 x 99.0 x 358.0 mm
Weight 25.1 lb / 11.4 kg
Packaging Info
Package Weight 34.6 lb
Box Dimensions (LxWxH) 20.5 x 18 x 8″
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