FILAMENT POSITIVE SWITCH NO 1. DFILAMENT NEGATIVE SWITCH NO 2. GRIO SWITCH NO 3. SA LIFE. FRONT. SECTIONS. TRUL. REAR. SECTIONS. Download HICKOK A TUBE TESTER LATE SCH service manual & repair info for electronics experts. accuracy. This test data is for Hickok A, A and A testers only. This document consolidates all Hickok AAA tube data that I have seen.

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Check operation of all switches and check tube sockets, clean and tighten as required.

I build and restore guitar tube amps and radios and am planning on testing many a tube with mine! It may need cleaning and lubrication.

Hickok A: Test Equipment | eBay

Hopefully I can do my part in keeping these old circuits alive and pass it down to my son. Previous topic Next topic.

You are very welcome. Hickok manuals are available here: Books Support This Site: Nov Sat 14, 4: The biggest issue is that the power cord’s insulation is starting to crack in places, and also the plate cap adapter cable is brittle and cracking.


Check neon bulbs and operatio Most of the physical wear on this tester occurs on t Nov Fri 13, Skip to main content. I was mainly looking for just the basic manaul instructions because this is my first Hickok and I’m not totally familiar with all of the switches and settings yet.

Thank you Vance, I was looking for one also.

The Bama site has the manuals for the and for the A, but no manual has been posted specifically for the Hickok A. Nov Sat 14, This may work in oth Up for sale here is this selector switch from a Hickok A tube tester. Nov Fri 13, 3: Provide a checklist and instruct If the A will work then that’s good enough manua, me.

Awesome scanning job and I can’t say thank you enough! Nov Sat 14, 1: Thanks for the info!! It is used and in good shape with light wear. Nov Fri 13, 8: If anyone has one, I too would like to get a copy. I guess no one who has a A manual has bothered to scan it and make it available.


This manual contains only test data. Nov Fri 13, 7: It has tested many a tube in it’s day.

Hickok 600A

I just bought the tester but it didn’t come with any instructions or anything. I didn’t know if any of them would work with the A or not and I didn’t really want to pay for something if I didn’t need it. Nov Sat 14, 8: Nov Hickook 14, 3: Do you nee the entire manual or just the schematic? Check neon bulbs and operation of short detection circuitry.

Surely someone has scanned and saved one somewhere! If anyone else needs it, let me know and I’ll put it back up. Number of bids and bid amounts may be slightly out of date. Page 1 of 2.