Thread: Pictures
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  #1324  
Old 08-10-2010, 02:00 PM
Mistick Krewe Mistick Krewe is offline
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Join Date: Aug 2007
Location: hoodoo audio heaven
Posts: 1,404
pretty cool...

tubes are effective heaters....
especially if they are biased into class A operating specs,
which preamp tubes commonly are....

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