TOA DA500FHCE Multi channel Power Amplifier


The TOA DA-500FH 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 500 W × 4 channels (20 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). Its Control/Monitor terminals permit power ON/OFF control of the individual channels and status monitoring for the power ON/OFF on each channel, protection on each channel, and fan operation. Prepare the control panel or status monitor display panel separately. It can be mounted in an EIA Standard equipment rack (2 unit size).


TOA DA500FHCE Multichannel Power Amplifier

*0 dB = 0.775 V
Power Source220 - 240 V AC
Amplification SystemClass D
Power Consumption460 W (based on EN standards)
2350 W (rated output 100 V line
Input4 circuits
10 kΩ
XLR-3-31 type connector
CH 1 mode ON/OFF switch (ON: CH 1 to All ch
Rated Output4 channels: 500 W × 4 (100 V line
M4 screw terminal
Frequency Response50 Hz - 20 kHz (-3 dB
Total Harmonic Distortion0.1 % (1 kHz)
0.3 % (100 Hz - 20 kHz)
Protection CircuitProtection against excessive current flow due to overload
unusual DC voltage output
temperature rise at power amp. heat sink (100 ℃ (212 ゜F) or more)
temperature rise at power supply heat sink (80 ℃ (176 ゜F) or more)
S/N Ratio100 dB (A-weighted)
Crosstalk70 dB (A-weighted)
Control/MonitorControl input: Power ON/OFF status of the individual channels
photocoupler input
Monitor output: Power ON/OFF status of the individual channels
Protection status of the individual channels
photocoupler open collector output
control current: 12 mA or less
Connector: RJ-45 connector × 2
Connection cable: Shielded Category 5 twisted pair cable for LAN (CAT5-STP)
Maximum cable distance: 600 m (656.17 yd)
LED IndicatorPower (blue) × 1
Protect (red) × 4
CoolingForced air cooling
Operating Temperature-10 ℃ to +40 ℃ (14 ゜F to 104 ゜F)
Operating Humidity90 %RH or less (no condensation)
FinishPanel: Aluminum
Case: Plated steel sheet
Dimensions482 (W) × 88.4 (H) × 404.2 (D) mm (18.98 × 3.48" × 15.91)
Weight9 kg (19.84 lb)
AccessoryPower cord (2 m (6.56 ft)) …1
Rack mounting screw (with washer) …4
OptionMatching transformer: MT-251H

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