These tubes were all tested strong on TV-7 tube tester with the following values: 23, 23, 22, 24, 24, 18. A passing value is 16. From estate of former electronics repair shop owner.

 

SOLID STATE REPLACEMENT RECTIFIERS FOR COLLINS, ETC. POWER SUPPLY FREE SHIPPING

 

Altec Transformer This auction is for a vintage Altec Transformer. I do not have any specs on this transformer so I can not test it. It is being SOLD AS IS. The Altec part number is not readable. It m

 

This is a beautiful set of 5 Raytheon CK 5840 tubes. These are all selected for the same date code same lot matched. Satisfaction guaranteed, bid with confidence.

 

You are bidding for the following mil spec items: 4 of 4 pin tube sockets type 122-224-200 and 122-224-210 made by EF Johnson. 122-224 can be used for 300B type tubes. 200 and 210 is the military code

 

Vintage Tube Equipment. Unknown This piece of vintage tube Equipment came from a Collins engineer. Form, fit, and function are unknown. Posted with eBay Mobile

 

SET OF 7 TEST EQUIPMENT KNOBS YOU ARE BIDDING ON A SET OF 7 HP BAKELITE TEST EQUIPMENT TYPE KNOBS. THE KNOBS ARE IN GOOD CONDITION WITH FEW SURFACE MARKS OR SCRATCHES NO CRACKS OR CHIPS. ALL KNOBS ARE

 

For sale is a beautiful and matching quad (this is QUAD I) of Mazda Belvu NIB and unused EL84 / 6BQ5 tubes. All are brand new, with original boxes, have identical date codes 5920 (which indicates 20th

 

For auction is one vintage Collins 677N227 7N2 Interstage Transformer manufactured by the Chicago Transformer Division of the Essex Wire and Cable Corp. The pin-out is as follows: 1-2 are the primary.

 

TELEFUNKEN VACUUM TUBE TYPE ECC-83 / 12AX7 RIBBED PLATES IN BOX TEST GOOD MADE IN GERMANY .MAY BE NOS