tube straightener for sale, brand-new and used.

You are bidding on a matched pair (two tubes) of NOS Westinghouse WL5654/6AK5W electron tubes; these can be used to replace any 6AK5 type tube. These were made in the USA in 1961. Tubes come from a sealed case of 100.

You are bidding on (1) NOS Sylvania JHS-6D4 electron tube, made in the USA in the 1950's. High quality 6D4 electron tubes made under contract for the US Military back in the 1950's; these will work in any gear requiring a 6D4 electron tube. Black plates, green silkscreen, dual mica spacers, and top mounted box getter.

You are bidding on (1) NOS Sylvania 6D4 electron tube, made in the USA in 1958. High quality 6D4 electron tube made under contract for the US Government back in the 1950's; this will work in any gear requiring a 6D4 electron tube. Black plates, green silkscreen, dual mica spacers, and top mounted box getter.

You are bidding on a lot of (5) NOS Dumont (made by RCA) 6AZ8 electron tubes, made in the USA in the 1960's. Gray plates, green silkscreen, dual mica spacers, and top mounted round halo getters. White sticker with tube type on each tube.

You are bidding on (1) Sylvania JAN-5814A electron tube, made in the USA in 1969. Gray plates, dual mica spacers, copper rods, and top mounted round halo getter; silkscreening is worn as shown in the photo. We got this tube with a large lot we purchased and all had been tested on an Amplitrex AT-1000 digital tube tester.

You are bidding on (1) NOS Sylvania 6BQ7A electron tube, made in the USA in 1965. High quality rugged 6BQ7A electron tube made under contract for the US Military back in the day. Green silkscreen, gray plates, double mica spacers, and top mounted round halo getter.

You are bidding on (1) Raytheon 1H4G electron tube, made in the USA in the 1950's. Silver plates and bottom mounted getter. Tube will ship in a generic individual tube box.

You are bidding on (1) NOS Sylvania 6AK5 electron tube, made in the USA in the 1960's. It is packaged in an H-P service box. Green silkscreen, double mica spacers, black plates, and top mounted round halo getter.

You are bidding on (1) RCA 6AU8A electron tube, made in the USA in 1966; date code of BE indicates August 1966. Red/orange silkscreen, black plates, copper rods, dual mica spacers, and tope mounted round halo getter. White sticker with tube type on the tube.

You are bidding (1) NOS Westinghouse (made by RCA) 6AZ8 electron tube, made in the USA in 1965; date code of 65-13 indicates the 13th week of 1965. Gray plates, yellow silkscreen, dual mica spacers, and top mounted round halo getter. White sticker with tube type on the tube.

You are bidding on (2) NOS 6BW8 electron tubes, made in the USA in the 1960's: one is an RCA, the other is a GE. Both have gray plates, dual mica spacers, and top mounted round halo getters. White sticker with tube type on each tube.

You are bidding on (1) NOS Western Electric 14A resistance lamp made for the US Military in 1945. These boxes are sealed and have never been opened, therefore they are untested. Tubes ship in

You are bidding on (1) NOS CBS JHY-6186/6AG5WA electron tube, made in the USA in 1960. Red silkscreen, double mica spacers, gray plates, and top mounted D-getter. Tubes ship in the original boxes as shown.

You are bidding on a lot of (7) NOS 6BA6/EF93/5749 electron tubes, made in the USA in the 1950's and 1960's. The following are included: (2) NOS RCA 6BA6, (2) NOS Sylvania JHS 6BA6W/5749, (1) NOS GE, (1) NOS Raytheon, and (1) NOS Dumont. Tubes ship in the original boxes as shown.

You are bidding on (1) NOS Tung-Sol FAA-5725/6AS6W electron tube, made in the USA in 1965; made by Tung-Sol for the FAA. Identical date codes of 6506 indicate 6th week of 1965. High quality rugged 6AS6 electron tubes made under contract for the FAA back in the day.

You are bidding on (1) NOS RCA clear top 12AU7A/ECC82 electron tube, made in the USA in 1973; date codes of EI indicates June 1973. Gray ribbed plates, clear top, two mica spacers, and side mounted round halo getter. Tube ships in the original box as shown.

You are bidding on (1) NOS GE GL-931A electron tube, made in the USA in 1962; date code of 62-04 indicates 4th week of 1962. Original GE box is in rough shape but will be included. All our tubes are tested and guaranteed by us; we only test tubes on one of our quality calibrated mutual conductance testers, NEVER on an emissions tester.

You are bidding on (1) NOS GE 6AH4GT tube, made in the USA in 1970; date code of JC indicates June 1970. Black plates, copper rods, and side mounted round halo getter. Tube ships in the original box as shown.

You are bidding on (1) Zenith 6BU8 electron tube, made in the USA in 1960; date code of 60-04 indicates 4th week of 1960. Yellow silkscreen, gray plates, and top mounted getter.

You are bidding on a lot of (2) NOS 12AJ6 electron tubes, made in the USA in the 1960's; one is GE, the other is GM Delco. Black/silver plates, dual mica spacers, and top mounted getters. Both have "12AJ6" and "TESTED" stickers on each tube.