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Muarah MU-4 EVO User Manual

Muarah MU-4 EVO User Manual

Tube integrated amplifier

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Our mission is to make surrounding reality inspiring for eyes and for
ears. We follow the idea of Open Eyes Economy where customer
satisfied of high quality product and service is more important than
pure financial profit for manufacturer. Our goal is to offer novel, luxury
things – things with a bit of creator's soul. Using those special things
shall be a pleasure for its owner.
So, relax and spend a while with us...
Jacek Siwiński & Wiesław Zawada
V1.4
1

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Summary of Contents for Muarah MU-4 EVO

  • Page 1 Our mission is to make surrounding reality inspiring for eyes and for ears. We follow the idea of Open Eyes Economy where customer satisfied of high quality product and service is more important than pure financial profit for manufacturer. Our goal is to offer novel, luxury things –...
  • Page 2 MU-4 EVO Tube Integrated Amplifier High end tube integrated amplifier MU-4 EVO thanks to several modern technical solutions delivers true „tube sound” with well controlled low frequencies region what is difficult to achieve in tube designs. Entire audio band is perfectly handled by MU-4 EVO.
  • Page 3 6N1P 12BH7 6N1P 7) Connect AC main power. WARNING! Main AC Power going to MU-4 EVO should not be applied until all the system components are connected together. AC KT120 KT120 KT120 KT120 mains power cord has to be connected to MU-4 EVO first and then to AC outlet.
  • Page 4 ⑨ - MU-4 EVO main power ON/OFF switch (placement depends on model) Operation 1) Set BIAS TRIM switch ⑧ in middle position before MU-4 EVO amplifier power on. 2) Bias potentiometers ⑦ shall be turned maximum in the „-„ (minus) direction (lowest current) 3) After power on by switch ⑨...
  • Page 5 BIAS TRIM switch has to be set in the middle position again. 7) Now MU-4 EVO integrated amplifier is ready to use although full sound quality is achieved after c.a. 10 minutes. During this time loud listening shall be avoided.
  • Page 6 AMPLIFIER Maintenance 1) Stainless steel MU-4 EVO chassis and lacquered transformer cans should be regularly dusted off using soft cotton cloth. Gently wipe fingerprints from the surface by soft cotton cloth soaked with spirit. Front glass panel can be wiped using soft cotton cloth and glass cleaner.