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Luxman MQ-300 Owner's Manual

Luxman MQ-300 Owner's Manual

Acuum tube stereo power amplifier

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VACUUM TUBE STEREO POWER AMPLIFIER
MQ-300
Owner`s Manual

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Summary of Contents for Luxman MQ-300

  • Page 1 VACUUM TUBE STEREO POWER AMPLIFIER MQ-300 Owner`s Manual...
  • Page 2: Table Of Contents

    Contents Precautions ············································································································· 1 Features of This Unit ································································································ 2 Names and Functions ······························································································ 4 Connections ············································································································ 6 Block Diagram ········································································································· 8 Specifications ·········································································································· 9 Before Asking for Repair Services ·········································································· 10...
  • Page 3: Precautions

    Precautions VACUUM TUBE STEREO POWER AMPLIFIER MQ-300 Installation place Cautions in connecting speakers Install this unit in a location where good ventilation and heat When making speaker system connections, be sure not to radiation is assured. cause short-circuiting between ! and @ of the speaker ter- Do not install it where the temperature is high such as in minals and speaker input terminals of this unit.
  • Page 4: Features Of This Unit

    Features of This Unit Circuit configuration Coupling capacitor Direct heated triode 300B non-feedback single stereo power LUXMAN’s original high sound quality oil capacitors are used. amplifier Power transformer Output tube The orient core EI type is used to pursue thickness and depth Highly reliable Japan-made TA-300B (manufactured by in the bass range.
  • Page 5 VACUUM TUBE STEREO POWER AMPLIFIER MQ-300 Choke coil Appearance ® A choke coil of FINEMET core is equipped in the L and R This product is designed to look as graceful as possible with sides independently. Regular winding in which a sheet of par-...
  • Page 6: Names And Functions

    Names and Functions Front panel Top view * This product has a bonnet on the vacuum tube section. 1. Power indicator (OPERATION) 2. Power switch (OPERATION) Turns orange when the power is turned on. Toggles the power on and off. When wiring or connection is performed, be sure to turn off this switch.
  • Page 7 VACUUM TUBE STEREO POWER AMPLIFIER MQ-300 Rear panel 3. Input terminals (INPUTS) 5. AC inlet (AC IN) These terminals are input terminals to connect input devices Connects the accessory power cable. such as a control amplifier. The power shall be supplied from a household wall socket.
  • Page 8: Connections

    Connections CD PLAYER CD/SACD PLAYER CONTROL AMPLIFER RECORDER ANALOG PLAYER (When the speaker – – impedance is 8 ) SPEAKER SYSTEM...
  • Page 9 VACUUM TUBE STEREO POWER AMPLIFIER MQ-300 Before Connecting How to connect speakers Before connecting other devices, connect the jack side of the Connect the left-channel speaker to the LEFT SPEAKER accessory power cable to the AC inlet of this unit.
  • Page 10: Block Diagram

    Block Diagram...
  • Page 11: Specifications

    Specifications VACUUM TUBE STEREO POWER AMPLIFIER MQ-300 Rated output 8 W + 8 W (4 Ω, 8 Ω, 16 Ω) Total harmonic distortion 1 % (1 kHz, 8 Ω, 1 W) Input sensitivity 490 mV/8 W (4 Ω, 8 Ω, 16 Ω) Input impedance 240 kΩ...
  • Page 12: Before Asking For Repair Services

    Before Asking for Repair Services While the unit is used, an unusual phenomenon may be confused as a malfunction for a certain reason. Prior to asking our official sole distributor of your country for repair services, please check the table below and read the operating instructions for the subsidiary devic- es.
  • Page 13 MEMO VACUUM TUBE STEREO POWER AMPLIFIER MQ-300...
  • Page 14 MEMO...
  • Page 16 LUXMAN CORPORATION, JAPAN AG00987E49A Printed in Japan...