Re: [Harp-L] Re: Art Tube MP

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Since this thread is about *tube* gear, the tube involved has a great  
deal to do with whether this piece of equipment works for harp.  A  
12AX7 tube is a great preamp tube, but not necessarily what you want  
for harp.  Switching the 12AX7 out for a 12AU7 or even a 12AT7 will  
help the sound quite a bit.

I'm sure someone who knows tubes better than I will be able to explain  
this better, but a 12AX7 is a higher-powered tube than one with the  
"U" or "T" designation and will cause a harp mic to feed back more  
easily than a "U" tube will.  Also, the "X" requires a more powerful  
signal to drive it into distortion.  A "U" tube (my personal  
preference) won't feed back as easily and is more easily driven into  
distortion.

The Tube MP has been a part of my gear for years and is a great  
"safety net" for gigging musicians to have tucked away in your road  
case in the event of an amp meltdown on the gig.  I have an old demo  
recorded using a 58 through an MP and directly into the board if  
anyone wants to do a drive-by:

www.texasmusicforge.com/music/That_Playground_In_New_York.mp3

Best regards from Austin,

Ed

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Ed Kliman
Producer/Publisher
Texas Music Forge

"Written, musical and electronic communications
   for a changing World..."
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