Below I will have continually updated vacuum tube data sheets listed and guitar amplifier prints.  There are also links to some websites with prints on

In the above “article”, there may be the misconception (or from some of my two forum’s comments), that I was saying that the reissue amps

Many people have many opinions on rectifiers in vacuum tube guitar amplifiers.  Some people feel that solid-state rectifiers are more reliable. This is true in

In the past output tubes and preamp tubes were much more consistent than they are today.  One could use the older method to bias output

You cannot convert a GT dynamic number to a static number. The GT number is based on where the tube distorts not just the idle

Are NOS tubes any better or different than the new tubes made today? Many folks cannot seem to tell the difference. After a recent batch