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- last updated 26/08/06 21:34:52


In my opinion, the best valve testers ever made in the world, were made by Avo.   The following is a small gallery of pictures of some the equipment made by Avo, there is also the Avo CT-160 page which gives more detailed information on this excellent portable tester.

Need manuals?  Try Crowthorne Tubes -  They have manual copies available, scanned manuals on CD ROM, and accept PayPal.  This is a part time outfit run for enthusiasts rather than a big business - what a great find!

You may click on any of the following images to see a much larger picture.

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Avo Valve Tester

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Mark IV

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Type 160 (CT160)