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In Reply to: Re: Buying a tube tester...... posted by John Chleapas on February 28, 2007 at 12:06:06:
These are 2 general kinds of tube testers. The more-basic tests the emissions of a tube's elements, while a transconductance type tests the tube's actual performance or gain. Ecamples of the former can be found for well under a $100; I have a Mercury that meets the above requirements that you could have for $50.I also have 2 Mercury transconductance testers. They work well and seem to be selling for less, and sometimes LOTS less, than the more popular Hickocks, etc.
You might also try to find a copy of Alan Douglas's book 'Tube Testers and Classic Electronic Test Gear'; it contains lots of info on testers.
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Follow Ups
- I agree with John, especially about an operating manual and complete-appearing tube charts/lists. - jeffreybehr 12:27:20 02/28/07 (0)