Unfortunately, those Tv-7 testers are expensive these days. I found

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Questions about tubes and gear that glows. FAQ

In Reply to: RE: Quick search shows the price of 20 EL-509s equals the price of some posted by MP62 on February 11, 2024 at 20:24:35:

a TV-7/U for $10 at an estate sale and had it calibrated. They now sell for $250+.

I purchased a TV-7/BU for $100 in Taiwan and had it totally refurbished , calibrated, and modified by Dan Nelson for $500. This would now cost $900+.

However, I did find some other transconductance testers on eBay for $300.

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Follow Ups Full Thread

Topic - the more reading I do about tube testers - ltman 12:49:30 01/22/24 (5)

Quick search shows the price of 20 EL-509s equals the price of some - alaskahiatt 11:11:28 01/25/24 (2)

RE: Quick search shows the price of 20 EL-509s equals the price of some - MP62 20:24:35 02/11/24 (1)

Unfortunately, those Tv-7 testers are expensive these days. I found - alaskahiatt 04:53:15 02/12/24 (0)

RE: the more reading I do about tube testers - Triode_Kingdom 06:12:52 01/23/24 (0)

RE: the more reading I do about tube testers - 6bq5 16:36:00 01/22/24 (0)

Follow Ups

Unfortunately, those Tv-7 testers are expensive these days. I found - alaskahiatt 04:53:15 02/12/24 (0)

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