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Our mission is to make sorrounding reality inspiring for eyes and for
ears. Our goal is to offer novel, luxury things – things with a bit of
creator's soul as a contrast to pervasive trumpery and mediocrity. Using
those special things shall be inspiring and nice. Our inspiration are
audio and automotive worlds seemingly outlying but in fact having a lot
in common. When you read about our turntable design you will notice
it clearly.
So, relax and spend a while with us...
Jacek Siwiński & Wiesław Zawada
Muarah
www.muarah.pl
muarah@muarah.pl
V1.2
1
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Related Manuals for Muarah MU4
Summary of Contents for Muarah MU4
- Page 1 When you read about our turntable design you will notice it clearly. So, relax and spend a while with us… Jacek Siwiński & Wiesław Zawada Muarah www.muarah.pl muarah@muarah.pl V1.2...
- Page 2 Muarah MU-4 TUBE INTEGRATED AMPLIFIER USER MANUAL MU-4 Tube Integrated Amplifier High end tube integrated amplifier MU-4 thanks to several modern technical solutions delivers true „tube sound” with well controlled low frequencies region what is difficult to achieve in tube designs.
- Page 3 Muarah MU-4 TUBE INTEGRATED AMPLIFIER USER MANUAL MU-4 features Push-pull tube power amplifier working in AB class delivers continuous 50W power at 4Ω or 8Ω load. Low harmonic distortion thanks to Ultra Linear configuration of output transformers Precise output tube bias regulation with ±1mA accuracy Low hum and distortion due to automatic bias adjustment in power tube pairs.
- Page 4 Muarah MU-4 TUBE INTEGRATED AMPLIFIER USER MANUAL 5) Connect sources to RCA inputs of MU-4 according to description on rear panel. 6) Connect loudspeakers to proper output sockets using spades, banana plugs or bare wires. 7) Connect AC main power.
- Page 5 Muarah MU-4 TUBE INTEGRATED AMPLIFIER USER MANUAL Operation 1) Set BIAS TRIM switch (b) in middle position before MU-4 amplifier power on. 2) Bias potentiometers (c) shall be turned maximum in the „-„ direction (lowest current) 3) After power on by switch (a) BIAS TRIM +8Ω...
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Page 6: Tubes Replacement
Muarah MU-4 TUBE INTEGRATED AMPLIFIER USER MANUAL 10) Inserting headphones jack in headphones plug (h) doesn’t detach loudspeakers so MUTE function should be used in that case. Tubes replacement 1) MU-4 tubes have to be replaced every 1000 hours of operation. Assuming listening one vinyl record per day tubes have to be replaced after 3 years. -
Page 7: Important Safety Instructions
Muarah MU-4 TUBE INTEGRATED AMPLIFIER USER MANUAL 3) When you plan not to use remote controller for a longer period of time (over 3 months) remove batteries from controller. Important safety instructions! WARNING!!! During amplifier operation there is high voltage up to DC 500V existing inside MU- 4 that is dangerous to human’s life.
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