I am not saying that you should not purchase a Hickok like a or at the are compact bench top models that are basically laid out as this A above. Use this procedure to test and calibrate the Hickok Model /A mutual conductance (AKA transconductance) tube testers. Except as noted, all of the. I have a Hickok Model A tube tester that I’m learning to use. Hopefully someone here can answer a question for me. On the micromho meter.

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This is a must, if you test a lot of 12AX7’s! The A does not have this. I bought a large lot of 1 volt radio tubes from a radio amateur’s estate hikcok and am testing them and passing them along to you very cheap!

If you don’t need to test modern types like Novars and Compactrons,this is a great machine. I recently picked up a A as well Good,solid and reliable tester.

Hickok 600A

Retrovert and Sam Cogley like this. Appears to be in great shape and working. Discussion in ‘ Tube Audio ‘ started by tube-a-louDec 60a, This tester will give you the most repeatable tests.


It’s not like we’re doing life tests on ‘s. You must log in or 060a up hlckok reply here. Personally,I’d just leave well enough alone The biggest issue is that the power cord’s insulation is starting to crack in places, and also hikok plate cap adapter cable is brittle and cracking.

The model is somewhat similar to but really demands a premium price, and can be touchy to keep running. My A and often run 8 hours or more a day,and have done so for decades. All the switch decks and sockets are ceramic, and the capacitors are hermetically sealed. It is classic military construction with potted transformers, ceramic sockets on the minis and octal, and hermetically sealed caps.

I had a A, my first tester. Big HarryDec 8, No button cover knobs are included. Plus,the heat is your friend,as it keeps the humidity at bay,and as there’s so many holes in that panel,there’s plenty of ventilation. A super value compared with TV and TV Data is widely available.

And as mentioned above, you can make an adapter if need be. hickk

Contains data for 10 hickok models. I say go for it! Hi Tom, Are they easy to calibrate to be able to test some tubes?


Top quality Government construction. Hickok Hickok A Hickok A. New York City, NY. Check operation of all switches and check tube sockets, clean and tighten as required.

There is supplemental test data for TV-7 hickook online. The B and C units have a “VR” function to give a quantitative test on voltage regulator tubes like 0A2.

I’m sure these tester are build to last, it should be fun digging into it and doing a restore. Number of bids and bid amounts may be slightly out of date.

A recommended list of Hickok tube testers

Share This Page Tweet. See each listing for international shipping options and costs. Log in or Sign up. These were the successors to the series. Data is widely available for the B, C units. If you ever get to see inside of a TV-7, it is really built.

RetrovertDec 10, Sam CogleyDec 9, I test a lot hikok early octal tubes, and they hidkok all on the chart!