User Manual for Toa Electronics DA-250DH - 2-Channel Digital Amplifier Click to enlarge the picture
Contents of the user manual for the Toa Electronics DA-250DH - 2-Channel Digital
- Product category: 70-Volt 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 70-Volt Amplifiers
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User manual for the Toa Electronics DA-250DH - 2-Channel Digital 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 The DA-250DH from Toa Electronics is a high-quality 1RU digital amplifier designed for installed applications running at 70V. It offers two channels of input and output, with removable terminal block inputs and a screw terminal strip for outputs. If desired, the first input channel signal can be routed to both outputs, perfect for multi-zone paging.
The front of the unit provides large control knobs for input level control, as well as LEDs to show input, output, power, peak, and protect status. The built-in protection circuitry protects against damages from short circuits, overloads, and overheating. Class-D circuitry provides excellent audio quality and allows the DA-250DH to operate at 85 percent efficiency, so it consumes almost 1/3 less power than analog amplifiers. - Sleek, 1RU unit fits into any standard audio rack
- Two channels of I/O, perfect for multiple zones
- Terminal block inputs and a screw terminal strip for outputs make it easy to connect equipment
- The channel 1 input may be routed to all outputs, perfect for paging
- Class-D circuitry for great audio quality and efficiency
- Independent power supply for each channel
- Simple interface with front-panel level control knobs
- Protection circuitry for short circuits, overheating, and overloads
- Status LEDs for power, input, output, peak, and protect
- Removable dust filters for easy cleaning
In the Box Toa Electronics DA-250DH - 2-Channel Digital Amplifier (2 x 250W @ 70V) Power Cord 4 x 3-Pin Removable Terminal Plugs 4 x Volume Control Caps User Guide 5-Year Limited Warranty Table of Contents
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Technical parametersToa Electronics DA-250DH CU Specs | Output Power | 2x 250W (70V)
1 x 500W (140V) bridged | | Frequency Response | 20Hz - 20kHz (±1dB) | | Total Harmonic Distortion (THD) | 0.1% (1kHz)
0.3% (20Hz - 20kHz) | | Input Sensitivity | +4dB (1.23V) | | Input Impedance | 10kohms (unbalanced), 20kohms (balanced) | | Signal to Noise Ratio | 100dB | | Connectors | 1 x AC Power Input
2 x 3-Pin Removable Terminal Block Input Connectors
1 x Screw Terminal Strip Output (2 Channels) | | Controls | 1 x Power Switch
2 x Input Volume Control Knobs
2 x Bridge On/Off Buttons
1 x Ch1 Mode On/Off Button | | Indicators | 1 x Blue Power LED
2 x Green Input LEDs
2 x Yellow Output LEDs
2 x Red Peak LEDs
2 x Red Protect LEDs | | Power Requirements | 120VAC, 50/60Hz | | Power Consumption | 580W, 7.8A | | Dimensions (WxHxD) | 19 x 1.7 x 15.7" (482 x 44 x 401mm) | | Weight | 11.02 lbs (5kg) | | | | Package Weight | 17.8 lb | | Box Dimensions (LxWxH) | 23.4 x 22.7 x 4.4" |
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