Tube amp hum/buzz - Talkin' Tubes - The Klipsch Audio Community
Troubleshooting
Guitar amp is making bad noise when I plug in a jack only - Electrical Engineering Stack Exchange
Schiit's updated Vali 2+ tube hybrid amp offers 50% more power and 10dB lower noise floor - HardwareZone.com.sg
Guitar Amp Noise Troubleshooting (Fixing Buzz, Hiss & Hum)
When the guitar tube amp is crackling or rustling - Tubeampdoctor Magazin
Tube amp making high pitched noise - Business Magazine
6.8w*2 6p1 Vacuum Tube Amplifier Headphone Amplifier High Power Low Noise Vu Meter Sound Warm Sweet Class A Amplifier Audio - Home Theater Amplifiers - AliExpress
Is this tube rattle on DSL 40c? My amp makes a strange crystal rattling noise at certain frequencies. Bought this second hand, replaced the speaker and noise still there. I noticed there