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User Manual for Toa Electronics A-912MK2 120W 8-Channel Modular Mixer Amplifier Click to enlarge the picture
Contents of the user manual for the Toa Electronics A-912MK2 120W 8-Channel Modular
- Product category: Mixer/Amplifiers Toa Electronics
- Brand: Toa Electronics
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Toa Electronics Mixer/Amplifiers
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User manual for the Toa Electronics A-912MK2 120W 8-Channel Modular contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Toa Electronics product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Toa Electronics user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Toa Electronics product will considerably shorten its lifespan!
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Product 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 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.
In the Box Toa Electronics A-912MK2 120W 8-Channel Modular Mixer/Amplifier 4 Volume Control Security Knobs 5-Year Warranty Table of Contents
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Technical parametersToa Electronics A-912MK2 Specs | 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 | | | | Package Weight | 34.6 lb | | Box Dimensions (LxWxH) | 20.5 x 18.0 x 8.0" |
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