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...
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.
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-...
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.
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.
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...
Need help?
Do you have a question about the MQ-300 and is the answer not in the manual?
Questions and answers