Posted by Gilipsie [ 142.59.28.77 ] on September 12, 2007 at 16:46:34:

My friend just bought a quad of Alpha branded E84L tubes to test. They seem fine tested as a 6BQ5 but gave him a loud hum in his guitar amp as soon as they came up. Any idea why?

Replies:

• Re: please help? - granch 19:29:56 09/15/07 (0)
• Re: please help? - metasonix 13:21:52 09/13/07 (1)
  • Re: please help? - crystal 11:21:54 10/02/07 (0)