TOA DA250DHCE Dual Power Amplifier

TOA DA250DH CE


The TOA DA-250DH is a 2-Channel Digital Power Amplifier designed for 70 V line high-impedance distribution and features lightweight, compact, high power output, and high efficiency. It delivers 250 W × 2 channels (19.6 Ω output) using a switching power supply. Each channel is equipped with an independent power section. It can be electrically isolated from the high-impedance speaker system by attaching the MT-251H Output Transformer (optional). It can be mounted in an EIA Standard equipment rack (1 unit size).

RM 6,XXX


TOA DA250DHCE Dual Power Amplifier

Specification
It can be mounted in an EIA Standard equipment rack (1 unit size).
*0 dB = 0.775 V
Power Source120 V AC, 50/60 Hz
Amplification SystemClass D
Power Consumption120 W (based on UL/CSA standards)
580 W (rated output 70 V line, 19.6 Ω × 2)
Input2 circuits, +4 dB* (1.23 V) (input level control in maximum position),
10 kΩ, electronically-balanced, removable terminal block (3 pins),
XLR-3-31 type connector
CH 1 mode ON/OFF switch (ON: PARALLEL, OFF: STEREO)
Rated Output2 channels: 250 W × 2 (70 V line, 19.6 Ω)
1 channel (BRIDGE): 500 W × 1 (140 V line, 39.2 Ω)
M4 screw terminal, distance between barriers: 8.8 mm (0.35")
Frequency Response20 - 20,000 Hz (±1 dB): HPF OFF/50 - 20,000 Hz (-3 dB, +1 dB): HPF ON
(selectable with the inner jumper)
Total Harmonic Distortion0.1% (1 kHz), 0.3% (20 - 20,000Hz): HPF OFF
0.1% (1 kHz), 0.3% (100 - 20,000 Hz): HPF ON
Protection CircuitProtection against excessive current flow due to overload,
short circuit, unusual DC voltage output,
temperature rise at power amp. heat sink (100℃ or more (212゜F)),
temperature rise inside the unit (80℃ or more (176゜F))
S/N Ratio100 dB (A-weighted)
Crosstalk70 dB (A-weighted)
LED IndicatorPower (blue) × 1, Input (green) × 2, Output (yellow) × 2, Peak (red) × 2,
Protect (red) × 2
CoolingForced air cooling
Operating Temperature-10℃ to +40℃ (14゜F to 104゜F)
Operating Humidity90% RH or less (no condensation)
FinishPanel: Aluminum, black, alumite Case: Plated steel sheet
Dimensions482 (W) × 44 (H) × 401.8 (D) mm (18.98" × 1.73" × 15.82")
Weight5 kg (11.02 lb)
AccessoryPower cord (2 m (6.56 ft)) …1, Removable terminal plug (3 pins) …2,
Tamper-proof cap …2
OptionMatching transformer: MT-251H

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See Also : PA Mixing Amplifier, TOA
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