Topmusicanswers
How do I know if my amp tubes are bad?
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.
When should I replace amp tubes?
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. 6L6 power tubes have a reputation for being quite reliable.
How long do power tubes last?
Tube Life Span
Power Tubes are generally at their best 1 - 1.5 years. Rectifier Tubes are generally at their best 3 - 5+ years.
