Latest
RCA 6SL7 5691 Red Base Vacuum Tube
Tested 925/950 on Hickok 752A, where the minimum is 250. Date code 69-22Triple Mica tube with extra ..
$69.99 USD
Philips 6DJ8 ECC88 Vacuum Tube Trio
Tested on Hickok 752A. Results are 1325/1300, 1100/1225 & 1200/1125.Minimum is 775. A frame..
$29.99 USD
Ken Rad 6SN7GTA VT-231 Vacuum Tube
Tested 600/625 µmhos on a Hickok 752A. Minimum is 400 "12" engraved on the base. ..
$49.99 USD
GE Philco Type 45 Vacuum Tube Pair
Tested using Hickok 752A: Philco 950 & GE 850. Minimum is 575. Closely matched.Black ladder plat..
$59.99 USD
RCA Radiotron 841 VT-51 Vacuum Tube
Tested strong at 575 on Hickok 752A where minimum is 325.Tube is unique with a bright glow. ..
$79.99 USD
Westinghouse Rogers 245 Vacuum Tube Pair
Tested using Hickok 752A: Westinghouse 725 and Rogers 625Minimum is 575. The Rogers has an engraved ..
$159.99 USD
Philips 6DJ8 ECC88 Matched Pair Vacuum Tube
NOS vacuum tubes tested on Hickok 752A. Both tested 1250/1350Minimum is 775. A frame dimple dis..
$34.99 USD
GEC L63 6J5 Vacuum Tube Quad
Closely matched Gm as tested on Hickok 752A. Tested 600, 625, 675 &725. Min is 4004 tubes w..
$199.99 USD
Western Electric 244A Vacuum Tube NOS
Tested NOS on a Hickok 752A at 450, where minimum is 150. Mesh plate tube with 839 date co..
$144.99 USD
Ken Rad 6SN7GTA Engraved Base Vacuum Tube Pair
Tested 625/650 & 650/650 µmhos on a Hickok 752A. Minimum is 400 Date code is 1-04 pro..
$169.99 USD
Matched Pair RCA 6EU7 Vacuum Tube NOS
Perfectly balanced and matched at 350, where 200 is minimum on on Hickok 752AHalo getter with ribbed..
$64.99 USD
GEC L63 6J5 Vacuum Tube Pair
Closely matched Gm as tested on Hickok 752A. Tested 750 &775. Minimum is 400Long glass enve..
$149.99 USD
