mardi 19 janvier 2016

Useful Guitar Amplifier Repair Tips

By Richard Martin


Guitar amplifier is essential component of this music instrument. It improves the quality of the music produced by the band. Failure to have it in its best condition you will lower the quality of the music. To ensure that effect of the equipment is felt in the band and add quality to the music, it must be scheduled for regularly maintenance services. On the same, guitar amplifier repair services should also be done by qualified and experienced technicians. Below are some of the maintenance routine tasks that are performed to the equipment to make sure it is working as expected.

Check the filter caps occasionally and determine whether they are working as expected. In the event that they are not in the best condition, replace them with new ones. When not replaced in time, they may cause the music equipment to break down during work. This can bring confusion and disharmony with the other instruments comprising of the band. The big caps are ones that get faulty frequently. Be checking on them frequently and replace them when necessary to avoid failure.

Tube sockets should be tightened after using the equipment for close to five years. This task must be carried on by a qualified and experienced technician because there is very high voltage present. However, you can do it meticulously with a tip of screwdriver. During the tightening, you can observe to see whether there is any corrosion on the pins and halt it with squirt contact cleaner.

Ensure that any scratchy pot on the amp is impeccably clean all the time. A lot of dust, cobwebs and insect carcasses are attracted to this part, which in the long run may cause faultiness of the amplifier. You must clean all the holes of potentiometers from inside the chassis and rotate them to clean up their trackssince replacing the pot with a new one is extremely expensive, you need to ensure that you have taken care of this part.

Make sure that all the bolts, screws and nuts are well tightened on the back panel, power transformers and mounts on the chassis. Failure to carry out this task occasionally, the amplifier will not be able to produce the required tone instead it makes noise with huge vibrations. This exercise can be achieved simply by using a toolkit.

Resistors will wear out and some other times fail in older amplifiers. Therefore, there is a need to replace them occasionally. When they are not replaced the amplifier will start producing sizzling and hissing sounds. One particular resistor that requires to be replaced more often is the 100k ohms comp resistor in the preamp stages of vintage fender amps.

They are other larger resistors at power stage which must be checked occasionally. At this stage, there is more power being used and a lot of heat generated. In this case, the resistors are vulnerable. You must ask for help from an expert to examine and replace them if necessary.

Capacitors on the tone circuit and coupling should also be checked occasionally. This is because they can become faulty in the event of power surge. This exercise must be carried out by qualified technician to prevent further damage.




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