Hickok Manuals Schematics Catalogs. Hickok Electrical Instrument Co. Documentation , Tube Tester Schematic, 12/18/, W, Download. Download HICKOK MODEL TUBE TESTER service manual & repair info for electronics experts. Tube Tester P Equipment Hickok Electrical Instrument Co.; Cleveland, OH, build /, 9 pictures, United States of America, schematics, tubes.

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Tube Tester 532P

This item will be posted through the Global Shipping Program and includes international tracking. The A does not have 4,5,7 pin older sockets, but it does have the 9 and 12 pin compactrons.

The keys to the performance of the Hickok circuit are accurately calibrated potentiometers, a sensitive and accurate Gm meter, and the absolute predictability of the phase relationships of the voltages produced by the secondary windings of the power transformer. The A does not have this. Rockford, Michigan, United States. If the cathode is 40 volts positive in relation to the grid, that’s the same as saying the grid is 40 volts negative.


This tester will give you the most repeatable tests. Postage cost can’t be calculated. There are 1 items hickoi. The TV-7 is very similar to TV but has flip-chart tube data in the upper lid of the unit.


Please enter 6 numbers for the Postal Code. Models and A. Seller assumes all responsibility for this listing. Back to eBay Home. This is a must, if you test a lot of 12AX7’s!

Data is widely available. The wiper of the bias pot is shown closest to the negative end of the voltage divider across the screen supply. Seller assumes all responsibility for this listing.

It then puts a known AC signal on the control grid and measures the difference between the plate currents produced by the changing grid voltages.

The image on the left illustrates the Hickok design in its simplest form. TV and TV-7 Military tester. Here is a Hickok in a Very nice metal case hickol needs repair for full function, but works well on 5U4 And other rectifiers.

Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a new window or tab Share on Pinterest – hickkk in hicok new window or tab. Since the Gm meter hiclok swing back and forth 60 times per second, it will settle in at the average of the two readings, thus providing a true mutual conductance reading for the tube under test.


Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc. Have one to sell? For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab. No 9 or 12 pin compactron. This is the best of the basic early testers.

Nov 10, These were the successors to the series. Add to watch list Add to wish list. This item will post to United Statesbut the seller hickkk not jickok postage options.

If you ever get to see inside of a TV-7, it is really built. Learn more – opens in a new window or tab. One can only imagine if our enemies got a hold of a TV! Frederick Koelsch, a retired chemistry professor at the U of M.

See full item description. Don’t buy a tester that is recommended by hearsay-like “it worked when my uncle had it” or “Ray the radio guy said it’s fine, but I don’t know how to run it”. Payment method Buyer protection on eBay.