TOA DA-250D CU 2-Channel Digital Amplifier, 2 x 250W
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Manufacturer warranty Description
DA-250D CU Includes Only:
- Toa Electronics DA-250D - 2-Channel Digital Amplifier (2 x 250W at 4 Ohms)
- Power Cord
- 4 x 3-Pin Removable Terminal Plugs
- 4 x Volume Control Caps
- User Guide
The DA-250D is a 2-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. It delivers 250 W x 2 channels (4 ohm output) using a switching power supply. Each channel is equipped with an independent power section. It can be mounted in an EIA Standard equipment rack (1 unit size).
The DA Series multi-channel digital power amplifiers are ideal for multi-zone distributed speaker systems and professional sound applications. Engineered with Class D technology, the DA Series amplifiers operate at 85 percent efficiency and consume almost one-third less power than conventional analog amplifiers. The compact and lightweight single or dual rack-space design and ultra-low heat dissipation allow designers to rack-mount up to five units without open space between units.
The DA Series is comprised of high and low impedance four-channel models each equipped with an independent power supply for each channel to assure continuous operation and unmatched reliability and performance. Other features include recessed stepped attenuators for precise gain calibration, removable dust filters for easy maintenance, and optional isolation transformer.
Technical details
- Channels 2 channels
- Voltage (V) 120
- Input 2 circuits, +4 dB* (1.23 V) (input level control in maximum position), 10 k Ohm , electronically-balanced, removable terminal block (3 pins), XLR-3-31 type connector CH 1 mode ON/OFF switch (ON: PARALLEL, OFF: STEREO)
- Weight 5 kg (11.02 lb)
- Dimensions 482 (W) x 44 (H) x 401.8 (D) mm (18.98" x 1.73" x 15.82")
- Frequency Response 20 - 20,000 Hz (+/-1 dB)
- Finish Panel: Aluminum, black, alumite Case: Plated steel sheet
- Power Consumption 120 W (based on UL/CSA standards) 650 W (rated output 4 Ohm x 2) 420 W (rated output 8 Ohm x 2)
- Operating Temperature -10°C to +40°C (14°F to 104°F)
- Operating Humidity 90% RH or less (no condensation)
- Power Source 120 V AC, 50/60 Hz
- Total Harmonic Distortion 0.1% (1 kHz) 0.3% (20 - 20,000 Hz)
- LED Indicator Power (blue) x 1, Input (green) x 2, Output (yellow) x 2, Peak (red) x 2, Protect (red) x 2
- S/N Ratio 100 dB (A-weighted)
- Crosstalk 70 dB (A-weighted)
- Cooling Forced air cooling
- Rated Output 2 channels: 250 W x 2 (4 Ohm ), 170 W x 2 (8 Ohm ) 1 channel (BRIDGE): 500 W x 1 (8 Ohm ) M4 screw terminal, distance between barriers: 8.8 mm (0.35")
- Protection circuit Protection against excessive current flow due to overload, short circuit, unusual DC voltage output, temperature rise at power amp. heat sink (100°C or more (212°F)), temperature rise inside the unit (80°C or more (176°F))
- Amplification System Class D
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