DM-350W+65W PFC

DM-350W+65W PCF is a 2 channel amplifier module of 350W + 65W /4Ω RMS.

  • 350W + 65W RMS
  • Class-D
  • PFC (Power Factor Correction)

 

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DM-350W+65W PCF is a 2 channel amplifier module of 350W + 65W /4Ω RMS. This module, used in some active speakers of the brand, is also available as component for other manufacturers. Based on Class-D architecture, the module uses a switched-mode power supply equipped with a PFC (Power Factor Correction) circuit improving the energy efficiency. Light, compact and very reliable, DM amplifiers feature thermal, short-circuit and overload output protection. The temperature can be controlled via a 12V DC output connected to a fan. Over voltage protection and DC offset shutdown are also available.
MODEL DM-350W+65W PFC  
General CH1 CLASS-D Amplifier
CH2 CLASS-AB with TDA7294
Power Requirements AC~110-240V +/-10%  50/60Hz / 4.0AH
Auxiliary Supply DC +/-15V @ 0.5A
Weight 1.1 kg (2.43 lbs)
Dimension (W x D x H) 216 x 126 x 70 mm (8.5” x 4.96” x 2.76”)
Audio Section Class-D Amplifier
Slew  rate (8Ω) 1.5V/ms
S/N Ratio >95dB/A
Distortion <0.05% (THD. DIM. SMPTE)
Inputs Unbalanced to ground
Impedance 10k Ω
Gain 26 - 32dB
Output Unbalanced to ground
Bandwidth 15Hz~20kHz
Damping factor (8Ω) >400 (100Hz) / >180 (1kHz)
Power Specifications (230Vrms or 120Vrms mains voltage, A-WTD, THD=1%) 4Ω Load 350W + 65W RMS
400W + 65W EIAJ
8Ω Load 180W + 30W RMS
200W + 35W EIAJ
Function Thermal protection (over-temperature power limited, thermal shutdown)
Short-circuit / overload output protection
Temperature  controlled 12V DC fan output
Over voltage protection
DC offset shutdown

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