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In Reply to: Question on ARC KT91 posted by Chuckyboy on August 21, 2005 at 21:44:41:
The type two had a jillion weld spots all over the plates.The type one required more negative bias and to even use it you had to change a resistior in the amps they used them in back then. That being the Classic Series. Classic 30, 60, and 120.
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Follow Ups
- As I recall they were Type 1...more - Kevin Deal 08:53:36 08/22/05 (0)