United Kingdom. EWA designs for cables and amplifiers, by Colin Wonfor.

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  • EWA M-50 Power Amplifier


    EWA M-50 Class A power amplifier 50W 


    As with all EWA product, you have 30 days after delivery to use your product. You may return it (shipping is buyer's responsibility) for a full refund within this period.



    • Specification

      Voltage can be set for operation worldwide during manufacture.




      impedance is 22kΩ

      Input sensitivity for full power is 1V providing 50W into 8Ω both channels driven.


      Power rating 50W/8Ω both channels

      100W/4Ω both channels

      DC offset < 5mV

      Noise open input < 2mV

      Peak Current > 64 Amps peak.

      Bandwidth 5Hz – 200kHz ±1dB

      Damping Factor > 100

      Power Consumption

      Mains on standby < 1W

      Power on no signal < 40W

      Power Supply

      The aux standby power supply is used to soft start the main amplifiers power supply.

      The main PSU consists of a 350VA transformer and four large 10,000µF/50V bulk