INTEGRATED VACUUM TUBE AMPLIFIER
LM-518IA
Page 1: ...INTEGRATED VACUUM TUBE AMPLIFIER LM 518IA ...
Page 2: ...e these foams to avoid any risks 01 Table of Contents Table of Contents Package Contents Product Features Specification Safety Precautions Functions Description Connection Turning on Remote Control Tube Replacement Maintenance Warranty Statement Troubleshooting Suggestions LM 518IA Integrated Amplifier is designed and manufactured with our original parts and reaching the best results We are not re...
Page 3: ...ted Stereo Amplifier with 845 output power tubes All tube Integrated with 12AX7 input tubes for voltage amplification 6P3P driver tubes 5AR4 rectifier tubes and 845 output tubes Driver tubes 6P3P can also be replaced by different kinds of driver tubes and you can select which tubes you prefer judging by different sounds 4 pairs of inputs and speaker terminals for 4 8 and 16 ohm speakers are locate...
Page 4: ...en to operate as unloaded 4 Forbidden to operate when the output is open or shorted 5 Do not attempt to service this product yourself Opening the cover may expose you to dangerous voltage or other hazards 6 We are not responsible for any problems caused by checking and opening without permission of our company For service Please contact a qualified service technician 7 Do not place any objects fil...
Page 5: ...l To reduce the risk of fire or electronic shock do not expose the unit to rain or moisture Note Input voltage level of the amplifier is 230VAC 5 and please make sure that the supply voltage is proper Too low or too high voltage may cause problem or reduce its life 04 Safety precautions Functions Description Front Panel 4 IR Remote Sensor React according to the orders of the remote 1 Input Selecto...
Page 6: ...channel of the speakers 1 Signal Inputs used for source input 4 Power Socket with main fuse Main fuse is located on the rear of the amplifier just below the power cord socket Replace with the same type and value fuse 3 Left Channel output used to connect with the left channel of the speakers ...
Page 7: ...IN position first and then adjust the bias current Inspect the ampere meter on the front panel and make sure the pointer is at the position showed as in the pictures below Suggested Bias Value 70mA If you have any questions please contact with our company or local service agent Bias current adjustment for V2 is the same as for V1 Please adjust the corresponding BIAS ADJ and make sure all the bias ...
Page 8: ...he best is for your speakers Please take the right guidance for connection and do not mix as wrong connection may cause noise or low grade function How to connect the speaker cables 1 Unscrew the terminal knobs 2 Insert the speaker cables 3 Screw the terminal knobs speaker terminal U type terminal Note Connect the speaker cables with the amplifier after it is well connected with the speakers Pleas...
Page 9: ...ction may cause noise or low grade function 5 Do not fasten signal cables together with other cables just like the power cables to avoid disturbance 08 Connection Turning ON Before turning on the amplifier please make sure all connections are right and power supply is stable 1 Turn on the amplifier and the power LED will be on It shines indicating that the amplifier is working 2 In 30 seconds the ...
Page 10: ...er never cut off the speaker cables while the unit is ON 5 In order to protect the tubes please re switch on the amplifier after turned off in two minutes Warning Please make sure corresponding voltage is the same as required We are not responsible for damage caused by misuse of unsuitable voltage Precautions Connection of the power cord Connect the speaker cables and signal cables first and then ...
Page 11: ...sitive and negative indication 3 Reassemble the remote by screwing back the cover Remote Control Description VOLUME UP VOLUME DOWN MUTE Replacement 1 If the battery is low please replace them with new ones 2 Two pieces of AAA batteries are used for the remote unit 3 Do not misuse the new batteries together with the old ones 4 Please use high quality batteries which can prevent leakage of electroly...
Page 12: ...must be packed in original packaging and returned to Zhuhai Line Magnetic Audio Co LTD or an authorized Line Magnetic Audio Representative at his or her sole expense A returned product must be accompanied by a written description of the defect and the warranty card with an authorized dealer s stamp on which indicates the model and series number the date of purchase the name and address of the purc...
Page 13: ...olume is at ZERO Turn up the Volume Check the function of the sound source Check the input selection and switch to the proper input NO reaction to the remote Sound field Positioning is not so good Noise output Sound Distortion High input signal level Ground of input signal cable is open or bad contact of the input signal cable Components or circuits are in trouble Signal input cables or speaker ca...
