Amply 4 kênh digital DA-250F Multichannel Power Amplifier

Amply 4 kênh digital DA-250F Multichannel Power Amplifier
The DA-250F is a 4-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. It delivers 250 W × 4 channels (4 Ω 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).

Power Source	220 - 240 V AC
Amplification System	Class D
Power Consumption	200 W (based on EN standards) 1200 W (rated output 4 Ω × 4) 800 W (rated output 8 Ω × 4)
Input	4 circuits 10 kΩ CH 1 mode ON/OFF switch (ON: CH 1 to All ch
Rated Output	4 channels: 250 W × 4 (4 Ω) 2 channels (BRIDGE): 500 W × 2 (8 Ω) M4 screw terminal
Frequency Response	20 Hz - 20 kHz (±1 dB)
Total Harmonic Distortion	0.1 % (1 kHz) 0.3 % (20 Hz - 20 kHz)
Protection Circuit	Protection against excessive current flow due to overload short circuit temperature rise at power amp. heat sink (110 ℃ (230 ゜F) or more) temperature rise inside the unit (80 ℃ (176 ゜F) or more)
S/N Ratio	100 dB (A-weighted)
Crosstalk	70 dB (A-weighted)
LED Indicator	Power (blue) × 1 Peak (red) × 4
Cooling	Forced air cooling
Operating Temperature	-10 ℃ to +40 ℃ (14 ゜F to 104 ゜F)
Operating Humidity	90 %RH or less (no condensation)
Finish	Panel: Aluminum Case: Plated steel sheet
Dimensions	482 (W) × 44 (H) × 401.8 (D) mm (18.98 × 1.73" × 15.82)
Weight	6.8 kg (14.99 lb)
Accessory	Power cord (2 m (6.56 ft)) …1 Tamper-proof cap …4

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).
The DA-250DH is a 2-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 × 2 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).

The 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).

The DA-550F is a 4-Channel Digital Power Amplifier featuring lightweight, compact, high power output, and high efficiency. It delivers 550 W × 4 channels (4 Ω output) using a switching power supply. Each channel is equipped with an independent power section. 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).