TOA DA-250FH Multichannel Power Amplifier
The DA-250FH is a 4-Channel Digital Power Amplifier designed for 100 V line high-impedance distribution and features lightweight, compact, high power output, and high efficiency. It delivers 250 W × 4 channels (40 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).
Power Source220 - 240 V AC, 50/60 HzAmplification SystemClass DPower Consumption294 W (based on EN standards)
1150 W (rated output 100 V line, 40 Ω x 4)Input4 circuits, +4 dB* (1.23V) (input level control in max. position),
10 kΩ, electronically-balanced, removable terminal block (3 pins),
CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch)Rated Output4 channels: 250 W × 4 (100 V line, 40 Ω)
M4 screw terminal, distance between barriers: 8.8 mm (0.35")Frequency Response50 Hz - 20 kHz (-3 dB, +1 dB)Total Harmonic Distortion0.1 % (1 kHz)
0.3 % (100 Hz - 20 kHz)Protection CircuitProtection against excessive current flow due to overload
short circuit, unusual DC voltage output,
temperature rise at power amp. heat sink (100 °C (212 °F) or more)
temperature rise inside the unit (80 °C (176 °F) or more)S/N Ratio100 dB (A-weighted)Crosstalk70 dB (A-weighted)LED IndicatorPower (blue) × 1, Input (green) x 4, Output (yellow) x 4, Peak (red) x 4,
Protect (red) × 4CoolingForced air coolingOperating Temperature-10 °C to +40 °C (14 °F to 104 °F)Operating Humidity90 %RH or less (no condensation)FinishPanel: Aluminum, black, alumite
Case: Plated steel sheetDimensions482 (W) × 44 (H) × 401.8 (D) mm (18.98 × 1.73" × 15.82)Weight6.8 kg (14.99 lb)AccessoryPower cord (2 m (6.56 ft)) x 1, Removable terminal plug (3 pins) x 4,
Tamper-proof cap x 4, Rack mounting screw (with plain washer) x 4OptionMatching transformer: MT-251H
| JENIS PRODUKSI: TKDN |
| BRAND MULTIMEDIA: TOA |
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