TOA / DA-250FH

The TOA DA-250FH is a lightweight, compact, high-output, and highly efficient four-channel digital power amplifier for high-impedance 100V systems, featuring a rated output of 250 W x 4 (40 Ω load) and a switching power supply. Each channel is equipped with an independent power supply.

■High-Impedance Power Amplifier
■250W x 4

■Power Supply: AC 100V 50/60Hz
■Amplification Method: Class D (Digital Amplification)
■Power Consumption:
・1200W (40Ω x 4 at rated output)
・200W (According to the Electrical Appliance and Material Safety Act)
■Input: 4 circuits +4dB* (1.23V) (input attenuator at maximum), 10kΩ electronically balanced Attachment
Removable terminal block (3 pins)
■Rated Output:
4 channels: 250W x 4 (40Ω)
M4 screw terminals, barrier spacing 8.8mm
■Frequency Response: 50-20,000Hz (-3dB, ±1dB)
■Total Harmonic Distortion: 0.15% (1kHz), 0.3% (100-20,000Hz)
■Protection Circuit: Overload overcurrent, short circuit, abnormal DC voltage output, heat sink temperature rise
(above 110°C)
■S/N Ratio: 100dB (JIS-A)
■Crosstalk: 70dB (JIS-A)
■Cooling Method: Forced air cooling
■Operating Temperature Range: -10°C to +40°C
■Operating Humidity Range: 90% RH or less (non-condensing)
■Finish:
Panel: Aluminum Black (approximate Munsell N1.0) anodized finish
Case: Plated steel
Dimensions: 482W x 44H x 401.4D (mm)
Weight: Approximately 6.6kg
Output transformer: MT-250H