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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Just off the shoulder of Orion. Hi Tom, Are they easy to calibrate to be able to test some tubes? How hot do a pair of hickokk unloaded rectifiers get?

This is a must, if you test a lot of 12AX7’s! AND has several Western Electric tubes types right on the chart! The A does not have this.

The best feature of the ‘s is the dual triode test bickok can test both halves of a twin triode without re-setting the selectors. This page was last updated: The is like a and has the onboard volt-ohmmeter function, and is more complicated to service and maintain.

It is used and in good shape with light wear. There is supplemental test data for TV-7 available online. Do you already have an account? Up for sale here is this selector switch from a Hickok A tube tester. I say go for it! This manual contains only test data. Your name or email address: I’m sure these tester are build to last, it should be fun digging into it and doing a restore.

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And you know what?

Hickok A | Audiokarma Home Audio Stereo Discussion Forums

You are much better off with this machine than or They are easy to calibrate and instructions available on the internet. Don’t get me wrong, the is a great machine but, so is the A. Skip to main content. Models and A. Also shop in Also shop in. Fixer-Uppers will cost more to fix than 60a a good one. About a zillion years ago I made an adapter from an old tube socket for mine so I could test ‘s.

TV and TV-7 Military tester.

A recommended list of Hickok tube testers

Most of the physical wear on this tester occurs on t No 9 or 12 pin compactron. A recommended list of Hickok tube testers. No button cover knobs are included. And as mentioned above, you can make an adapter if need be.

I’ve had a a on my bench for the past 25 years and it is a good tester. One can only imagine if our enemies got a hold of a TV!

Hickok 600A

If most of the screws are gone it means that somebody knowledgeable looked inside and decided the tester was SHOT and there was no point in bothering to put all the screws back in. RetrovertDec 10, But I would verify the calibration. The B and C units have a “VR” function to give a quantitative test on voltage regulator tubes like 0A2.


Check neon bulbs and operatio All the switch decks and sockets are ceramic, and the capacitors are hermetically sealed. I kind of wish I’d just stayed with the A after I got over the cool factor of the And I gave up checking the calibration years ago,as it has never varied from the very first time I checked it.

Provide a checklist and instruct Handy size and hickokk tube data not hickkok the roll chart you can find elsewhere. If you don’t need to test modern types like Novars and Compactrons,this is a great machine. Sam Cogley and thorpej like this.

This tester hickkk give you the most repeatable tests. You must log in or sign up to reply here. This allows you to set bias to a measured voltage, bickok set the line during the gm test. Share This Page Tweet. I also have a Hickok B which is a great tube tester, but unfortunately the price for one of them has gone out of sight in recent years. Upset that and you’ve upset the whole applecart. If you ever get to see inside of a TV-7, it is really built.

Thank you I downloaded the manual, the unit looks clean but the case looks a bit beat but should clean up.