Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 0

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 1

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 2

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 3

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 4

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 5

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 6

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 7

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 8

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 9

Tube tester HICKOK 539c calibrated includes amplitrex cal tubes 6l6 6550 5u4, US $260 – Picture 10

Tube Tester Hickok 539c Calibrated Includes Amplitrex Cal Tubes 6l6 6550 5u4

US $260

Phoenix, Arizona, United States
Jan 29th

Open on mobile:
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hickok 539c 1 more photo can be added or you can request more photos. Roll chart dated 1969 operates smoothly. Includes instruction manual. And foreign tubes list. refurbished calibrated $175.00 parts $52.95 new meter $192.00 precision calibration this is an upgrade for higher accuracy $65.00 total parts labor calibration was $485.45 :Please see the final quality evaluation data sheet picture # 4. The exception is the 6550 results where he states it is 90%. Tubes included tested on amplitrex tungsol 6550 103 % gm spec is 11000 result 11300 If you need to test some 6550 you can use the 103 % gm tube and then you have a base to work with. The last picture shows the 6550 being tested p4 is locked you can see the bias and the line set meter. Reads about 142 on the 0-200 scale so we divide 15000 c scale by 200 = 75 so 75 x 142 = 10650 gm .. More included tubes these are for you to test and note the results so you can recheck as needed. 6sn7 spec 2600 result 1 2390 result 2 2300 12at7 spec 5500 result 1 5560 result 2 5500 6l6 rca metal tests at 103% gm spec is 6000 result 6200 the 5y3 and 5u4 are forward and reverse voltages 5y3 result 1 41- 420 result 2 40- 419 5u4 result 1 26 -421 result 2 26 - 419 Will not test voltage regulator tubes 0D3 VR150 vt139 0A2 150C2 150B2 0C3 VR105 0B2 108C1 90C1 0B3 VR90 0A3 needs a 1000 ohm 50 watt rheostat installed. These are available on ebay for around $40.00. I have no need to test vr tubes they are obsolete. Fabric on case is loose and missing in some parts see pictures. I have purchased black stage gaffing tape to cover loose missing fabric and will include the roll of tape. You could easily recover the case. Hardware on case has some rust. Tester is being sold as is no returns. It will ship double boxed well padded. This will ship fedex to USA. International shipping will be through ebay global shipping program only no exceptions. If the warranty is transferable you the buyer needs to contact Roger Kennedy at alltubetesters and pay any fees. 84 pages of Tube setup data can be found at stevenjohnson.com/hickok/data/hickok-539b-539c-test-data.pdf#page=24&zoom=110,-275,792 This is a vintage piece of equipment I cannot offer a warranty because of its age. It will be insured for its full value if the tester does not work it will be because it was damaged in shipping.

Condition	Used : An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes	“see description”