I am in the process of building 3 tube amps, MiniMax, Bijou, and SOHA II.  WHile I am gathering parts, I started looking for hookup wire, I have access to an industrial supply that sells wire (I teach IT at a 2 year college so we buy lots of Cat 5 and 6 cable).  They have the Belden 83006...

I had someone give me a large bag of tubes.  I have looked up the data on them but still not sure which of these are useful in making a tube amp and which are misc.  I do know that I have two 12au7a that I do know that I can use for a headphone amp.   Here is the list of the others: (I...

I just received a bag (large) of tubes, there are about 30 or 40 of them here.  I can identify about 4 or 5 using information from the forums here, but is there a site I can use to identify what the rest of these are.  I would like to know if I can use these to build an amp, power supply or...