Depending on how often you turn on and turn off your gear, but tubes should last about 5,000 to 10,000 hours. For most people, they only need to be replaced every 2-3 years at most. But its good to have at least a spare set around just in case one of them decides to die on you.
How often do vacuum tubes need to be replaced?
On average, tubes can last from 500 to 1,000 hours, so if you play with your amp two to three hours every day, you can safely expect to get around a year or less from your vacuum tubes.
Can vacuum tubes burn out?
As I stated in my previous tip, tubes have no definite life span and can burn out at any time. I always mention to customers that if a power tube goes that they should replace all of them so they will have equal wear over time. This will help provide a more even tone and back up tubes are always a good thing.
How do you extend the life of a vacuum tube?
Turn on the standby switch then main power and let the amp warm up. THEN take the amp off the standby for half a minute to allow the preamp and power-amp tubes come to optimum temperature before being put to use. This step by itself will greatly increase tube life.
What do bad power tubes sound like?
Crackling, squeals and feedback, excessive noise and muddiness or low output are all evidence of tube problems. Power tubes. The two main symptoms of a power tube problem are a blown fuse or a tube that begins to glow cherry red. Either are typically indicative of a power tube failure.
Do tube amps get better with age?
YES! A tube amp always sounds better over time. However, one must assume a certain level of quality to begin with.
How can you tell if a vacuum tube is bad?
When a vacuum tube develops an air leak (a small crack or bad seal by a pin for example) this getter color will change to pure white. If you see this you know with 100% certainty that the tube is bad. Third, look for a purple glow that is very focused around specific elements inside the tube.
Do power tubes affect sound?
It has no effect on the sound. This phenomenon only happens in a tube with better-than-average vacuum (pure). Therefore, the tube is actually a better-quality tube!
How long do tubes last in years?
In a closet, the tubes will last forever, of course. For practice in a bedroom a couple of times a week at modest volumes, youll probably get five to ten years out of them.
How do I know if my amp tubes are bad?
Sometimes you will hear strange sounds, loss of power, or heavily distort sound. These are signs that a tube is failing. Often power loss that seems like the amp is performing at half power or less will be one or more bad power tubes, or even a dying phase inverter tube.
Are TV tubes worth anything?
Common tubes manufactured in the late 1950s or 1960s used primarily in televisions currently have little or no value. I have trouble selling a box of 100 mixed TV tubes for even $10 at swap meets. If its not working it still is a valuable display item to a collector and a $75 to $80 selling price is not uncommon.