Line Magnetic LM-503PA Operation Manual Download Page 3

Table of contents

Table of contents 

2

Package contents 

 3

Product features 

 3

Specifications

4

Safety instructions 

 4

Recommendations

 5

Recycling product 

5

Glossary  

5

Location and precautions  

6

Power sources 

6

Warranty 

6

Functions descriptions (front view) 

 7

Functions descriptions (rear view) 

 8

Bias adjustment (top view) 

 9

Speaker connection 

10

Audio connection 

11

Turning on 

12

General observations 

12

Tube replacement 

13

Maintenance 

13

Troubleshooting 

14

Thank you for choosing a Line Magnetic product. Its implementation has been our know-how, both in terms of design to 

the manufacturing. Electronic components and mechanical parts correspond to the selection criteria of very high quality. 

Operation and finish of each product have been checked before delivery. To obtain best results, please read the advice 

contained in this document.

Please read this manual carefully before installation and operation.

In order to prevent damage during transportation, the amplifier and its tubes are packed with protective foam, please 

remove these foam pieces before operating your amplifier to avoid any risks!

2

Summary of Contents for LM-503PA

Page 1: ......

Page 2: ...OWNER S MANUAL LM 503PA...

Page 3: ...g 14 Thank you for choosing a Line Magnetic product Its implementation has been our know how both in terms of design to the manufacturing Electronic components and mechanical parts correspond to the s...

Page 4: ...local dealer Hand made construction with the finest point to point wiring Specially designed toroid transformer for power supply In the pre stage we are using 310A tube developed by our company and in...

Page 5: ...ubject to other strong shocks Unplug the power cord if you are not going to use the product for an extended period of time or during lightning storms Take great care of electrical connections power co...

Page 6: ...ut voltage level of the amplifier is 240VAC 5 and please make sure that your local voltage is the same as indicated on the rear panel A too low or too high voltage can cause serious damage to your amp...

Page 7: ...dealer or the company responsible for the power supply in your area Turn off device if you do not intend to use this unit for a long time In case of prolonged absence from home it is recommended to un...

Page 8: ...of the amplifier is 240VAC 5 and please make sure that your local voltage is the same as indicated on the rear panel A too low or too high voltage can cause serious damage to your amplifier In case yo...

Page 9: ...the terminals Important Note Check the impedance of your speakers When using a pair of speakers you can use speakers with an impedance of between 4 8 and 16 ohms BE SURE TO USE THE MATCHING TERMINALS...

Page 10: ...turned off Bias adjustment Hum adjustment WARNING When making adjustments be careful not to burn yourself with tubes that are very hot Turn on the amplifer and wait for around ten minutes Choose and...

Page 11: ...THE MATCHING TERMINALS 0 4 8 16 SELECTOR 220V 50Hz 45W T5AL250V LM 503 PA Speaker connection 1 Unscrew the terminal by hand 2 Insert the loudspeaker cable refer to the diagram below 3 Screw the termin...

Page 12: ...se do not insert the power cord into the main socket until all sources are connected 3 R refers to the Right channel while L represents the Left channel Do not also fasten signal cables together with...

Page 13: ...OR button located to the right of the front panel 5 Adjust the VOLUME knob as you like to enjoy your music WARNING Please make sure corresponding voltage is the same as required We are not responsible...

Page 14: ...treated cloth for cleaning 3 Use a soft cloth with neutral detergent first and then wipe with a dry cloth As a precaution it is best to unplug the unit before handling and ensure the heat generated by...

Page 15: ...ie microwave oven and restart the amplifier Batteries of the remote control are low Please replace the batteries Obstacle is located between the remote control and the amplifier Move the object that b...

Page 16: ...Line Magnetic Australia Pty Ltd Email service line magnetic com au www line magnetic com au...

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