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In Reply to: What is a "pinched waist" tube. posted by Spantou on October 5, 2016 at 13:54:00:
I once won an auction on eBay for a NIB NOS Amperex 6922 for $40. Turned out to be a ca. 1959 "pinched waist".
"It is better to remain silent and thought a fool, then speak and remove all doubt." A. Lincoln
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Follow Ups
- RE: What is a "pinched waist" tube. - JKT 10/5/1621:13:37 10/5/16 (0)