Gordon J. C. Pearce wrote:
   any guitar amp you care to look at ;-)
 The fact that audiophiles love them seems pretty funny.  
That is not me ... I hate
them for see above err below.
   Us amp builders
 love them for their second-harmonicy crunch...
    
Still with out the guitar amp people, I don't think any kind of valves
would be around for people like myself to play music through.
  Gordon
    
PS: I want quality parts ... not 1 cent Jap parts or $100 snake oil
'audiophile'
components.