Toa Electronics A-912MK2 120W 8-Channel Modular Mixer/Amplifier #2496 - USED

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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 Output Design

Eight expansion output 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.
Output Power 120W
Damping Factor Not Specified by Manufacturer
Input Sensitivity Module Inputs: Varies According to Installed Modules
Bridging Input: 100mV
Input Impedance Module Inputs: Varies According to Installed Modules
Bridging Input: 3.3 k ohms
Gain Not Specified by Manufacturer
Frequency Response 20Hz - 20kHz
Signal-to-Noise Ratio Not Specified by Manufacturer
Total Harmonic Distortion (THD) 0.02%
Input Connections 8 x Input Module Slots
1 x RCA Bridging In/Out
Output Connectors 8 ohm, 25V, and 70V Balanced Screw Connectors
4 ohm Unbalanced Screw Connector
RCA Aux Output
Controls Front Panel Power Button, Master Volume Control, Individual Channel Volume Controls, Bass and Treble Controls, Low Cut Switch, and Tone Defeat Switch
Controls (Rear) Mode Switch
Indicators Signal, Normal, Peak, Power, and Protect LEDs on Front Panel
Cooling Not Specified by Manufacturer
Power Consumption 180W
Dimensions (WxHxD) 16.5 x 3.9 x 14.1" (419 x 99 x 358 mm)
Weight 25.1 lbs (11.4 kg)
Specialties Delayed Output Connection at Power On
Protection Circuitry for Overload, Overheating, and Short Circuit
Rear-Panel AC Outlet for Powering External Device
Packaging Info
Package Weight 34.6 lb
Box Dimensions (LxWxH) 20.5 x 18 x 8"

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