Thread: Telebar Power up
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  #24  
Old 04-30-2014, 01:06 PM
Kevin Kuehn's Avatar
Kevin Kuehn Kevin Kuehn is offline
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Join Date: Jan 2011
Location: WI
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Quote:
Originally Posted by bigaudioal View Post
What are those tubes made of?
Paper. Probably wax or resin impregnated. Same deal with many IF transformer cores.
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