6146W JAN Sylvania Vacuum Tube (aka 7212), MATCHED PAIR, Hickok Tested
This is a Sylvania tube, a 6146W. The W means it is the rugged version of a 6146. It’s also the same as a 7212. It’s a JAN tube, which means Joint Army Navy. JAN tubes are known for their ability to stand up to harsher than usual treatment. Tested on Hickok 533A, Gm recorded on side of the tube box. A “matched pair” means the mutual conductance of one tube is within 10% of the other tube. Black plates, green print. Photos are of one example of the available matched pairs. It may or may not be the same tube you receive. Made in USA. Ships quickly and safely from Mississippi.
Near Mint TV-7D/U Calibrated By Dan Nelson Tube tester with r Manuel
(1) Near Mint Excellent Working Hickok TV-7D/U Calibrated By Dan Nelson Tube Tester with Manuel Near Perfect!, Un-Used sense Having Calibration Done, Nicest I have seen, ((( US sales only))))) Good Luck Bidding ! (((((I do not lower declared value or write as gift due to US Laws))))) I no longer ship to China & Vietnam due to lost packages in Custom’s
LINDAL by GE 6AD10 Tube NOS NIB Excellent Test Results on Pentodes HICKOK 6000A
One Excellent LINDAL 6AD10 Tube. GE Mfg., LINDAL Lettering & Box. Tube Design: 6GX6 Pentode + 6AQ5 Beam Power Section. Balanced Results on a Reference a HICKOK 6000A Tester. Tube Readings for the Pentode & Beam Power Section.
VTG 1948 HICKOK EQUIPMENT BROCHURE! TUBE TESTERS/METERS/PICS/PRICES! ATOM BOMB!
ATOM BOMB! HICKOK ON THE JOB AT BIKINI. GREAT FOR DISPLAY!
HICKOK CARDMATIC KS-15874-L1 TUBE TEST CONDITIONS
For sale is reprint of Hickok Cardmatic KS-15874-L1 Tube Test Conditions tables. Manual is 7 pages long.
Lot of 13 12AZ7 12AZ7A Tubes – Hickok Tested
These tubes were tested on a Hickok 600 tube tester. All tubes tested between 4000 gm and 5000 gm.
2 Type 83 Rectifier Tubes HICKOK BRAND Hanging Filament Black Plate NOS TV-7 VTG
THESE WERE LIKELY MADE BY HICKOK FOR THEIR TUBE TESTERS. Try to find another pair REAL UNICORNS.
NOS Telefunken ECC92 Diamond Bottom West Germany 50/49 Hickok Rare
• Hickok Tested 50/49. • West Germany.
Pair of GE 6V6GTA Tubes – Black Plate – Hickok Tested
These tubes were tested on a Hickok 600 tube tester. Tubes both tested 5200 gm.
Lot of 5 JRC 12AT7WA Tubes – 2 Date Matched Pairs – Black Plate – Hickok Tested
These tubes were tested on a Hickok 600 tube tester. Tube with date code 62-39 and 27N etching tested 4300/4300 gm. Pair with date code 62-17 and 04N etching tested 4600/4600 and 4800/4800 gm.
