![2 Amperex 7308 Vacuum Tubes - NOS Matched Pair - *Amplitrex Tested* 6DJ8, 6922](https://i.ebayimg.com/thumbs/images/g/Dg8AAOSwrgRlM0hJ/s-l140.jpg) | 2 Amperex 7308 Vacuum Tubes - NOS Matched Pair - *Amplitrex Tested* 6DJ8, 6922 USD 125.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1639, 100.0%) | ![Digital Meter Conversion for Hickok 539C & 539B Tube Testers](https://i.ebayimg.com/thumbs/images/g/PG4AAOSw~fFmgghF/s-l140.jpg) | Digital Meter Conversion for Hickok 539C & 539B Tube Testers USD 525.0 Category : Tube Testers Seller : hickok_meters(1641, 100.0%) |
![Hickok 560 KS-9237 Military Mutual Conductance Tube Tester Circa. 1944](https://i.ebayimg.com/thumbs/images/g/H~YAAOSwsJlmg4uM/s-l140.jpg) | Hickok 560 KS-9237 Military Mutual Conductance Tube Tester Circa. 1944 USD 275.0 Category : Tube Testers Seller : hickok_meters(1641, 100.0%) | ![2 Mullard 7189A / 6BQ5 (Hyperlec Brive) NOS Matched Pair - Amplitrex Tested](https://i.ebayimg.com/thumbs/images/g/TtIAAOSwyxNmTrGN/s-l140.jpg) | 2 Mullard 7189A / 6BQ5 (Hyperlec Brive) NOS Matched Pair - Amplitrex Tested USD 224.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1639, 100.0%) |
![Hickok 6000A Mutual Conductance Tube Tester - Calibrated - *Plate Current Jacks*](https://i.ebayimg.com/thumbs/images/g/dGcAAOSwwEhmgge5/s-l140.jpg) | Hickok 6000A Mutual Conductance Tube Tester - Calibrated - *Plate Current Jacks* USD 625.0 Category : Tube Testers Seller : hickok_meters(1641, 100.0%) | ![Hickok 752A Mutual Conductance Tube Tester - *Calibrated* - Clean - Ready to Use](https://i.ebayimg.com/thumbs/images/g/vxYAAOSw45pmg3qL/s-l140.jpg) | Hickok 752A Mutual Conductance Tube Tester - *Calibrated* - Clean - Ready to Use USD 1150.0 Category : Tube Testers Seller : hickok_meters(1641, 100.0%) |
![Hickok 539B - NEW Digital Meters - Clean & *Calibrated* SALE](https://i.ebayimg.com/thumbs/images/g/jbcAAOSwIgtmggir/s-l140.jpg) | Hickok 539B - NEW Digital Meters - Clean & *Calibrated* SALE USD 1500.0 Category : Tube Testers Seller : hickok_meters(1641, 100.0%) | ![1 JAN Chatham (Tungsol) 5R4WGA - NOS IOB - Amplitrex Tested - Free Shipping](https://i.ebayimg.com/thumbs/images/g/G8sAAOSwIsRmRowL/s-l140.jpg) | 1 JAN Chatham (Tungsol) 5R4WGA - NOS IOB - Amplitrex Tested - Free Shipping USD 35.88 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1638, 100.0%) |
![2 Amperex 6BL8 / ECF80 NOS *Matched Pair* - Amplitrex Tested](https://i.ebayimg.com/thumbs/images/g/adEAAOSwrBFlm45a/s-l140.jpg) | 2 Amperex 6BL8 / ECF80 NOS *Matched Pair* - Amplitrex Tested USD 120.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1636, 100.0%) | ![2 NOS 5687 WA - Matched Pair - FAA GE Vacuum Tubes - *Amplitrex* Tested](https://i.ebayimg.com/thumbs/images/g/n70AAOSw89Bkdakf/s-l140.jpg) | 2 NOS 5687 WA - Matched Pair - FAA GE Vacuum Tubes - *Amplitrex* Tested USD 55.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1641, 100.0%) |
![2 JAN RCA 5R4GY - Matched Pair - Amplitrex Tested](https://i.ebayimg.com/thumbs/images/g/o-0AAOSwoaJmRoJk/s-l140.jpg) | 2 JAN RCA 5R4GY - Matched Pair - Amplitrex Tested USD 107.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1638, 100.0%) | ![1 CBS (RCA) 5R4GY - NOS IOB - Amplitrex Tested - Free Shipping](https://i.ebayimg.com/thumbs/images/g/1KIAAOSwMuVmRoqt/s-l140.jpg) | 1 CBS (RCA) 5R4GY - NOS IOB - Amplitrex Tested - Free Shipping USD 44.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1638, 100.0%) |
![2 RCA 12AU7A - Matched Pair 5814A Black Plates Vacuum Tubes - Amplitrex* Tested](https://i.ebayimg.com/thumbs/images/g/9YwAAOSwTOFkgCkG/s-l140.jpg) | 2 RCA 12AU7A - Matched Pair 5814A Black Plates Vacuum Tubes - Amplitrex* Tested USD 88.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1636, 100.0%) | ![1 JAN GE 5R4GA -NOS IOB - Made in 1973 - Amplitrex Tested](https://i.ebayimg.com/thumbs/images/g/r~EAAOSw90dmRoTA/s-l140.jpg) | 1 JAN GE 5R4GA -NOS IOB - Made in 1973 - Amplitrex Tested USD 44.88 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1638, 100.0%) |
![2 NOS Siemens ECL80 / 6AB8 Tested - Germany (Mullard) - Matched Pairs ** IOB](https://i.ebayimg.com/thumbs/images/g/qVoAAOSwbn1eL-B7/s-l140.jpg) | 2 NOS Siemens ECL80 / 6AB8 Tested - Germany (Mullard) - Matched Pairs ** IOB USD 22.4 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1641, 100.0%) | ![Vintage Rotary Step Attenuators - Audio Pot 1200 Ohms Tech Laboratories](https://i.ebayimg.com/thumbs/images/g/jMgAAOSwwt5iN5ec/s-l140.jpg) | Vintage Rotary Step Attenuators - Audio Pot 1200 Ohms Tech Laboratories USD 22.0 Category : Other Vintage A/V Parts & Accs Seller : hickok_meters(1639, 100.0%) |
![Hickok 539C Tube Tester, AC Line & Bias Jacks, Solid State - Clean & Calibrated*](https://i.ebayimg.com/thumbs/images/g/ZjkAAOSwkvpmgggi/s-l140.jpg) | Hickok 539C Tube Tester, AC Line & Bias Jacks, Solid State - Clean & Calibrated* USD 1750.0 Category : Tube Testers Seller : hickok_meters(1641, 100.0%) | ![2 RCA 5R4GYB / 2076 - Matched Pair made in 1966 - Amplitrex Tested](https://i.ebayimg.com/thumbs/images/g/6qcAAOSwJJ1mRm7D/s-l140.jpg) | 2 RCA 5R4GYB / 2076 - Matched Pair made in 1966 - Amplitrex Tested USD 53.88 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1638, 100.0%) |
![Matched Quad 5881 / 6L6WGB Vacuum Tubes - Amplitrex Tested](https://i.ebayimg.com/thumbs/images/g/gvMAAOSwQ8Bjp4oc/s-l140.jpg) | Matched Quad 5881 / 6L6WGB Vacuum Tubes - Amplitrex Tested "1950s & 1960s" USD 125.0 Category : Vintage Tubes & Tube Sockets Seller : hickok_meters(1639, 100.0%) | ![1 CMA Dry Electrolytic Capacitor 20-20 MFD 450VW DC 12/45 NAVY RADIO CMA 481462](https://i.ebayimg.com/thumbs/images/g/3CAAAOSwF8BckqDq/s-l140.jpg) | 1 CMA Dry Electrolytic Capacitor 20-20 MFD 450VW DC 12/45 NAVY RADIO CMA 481462 USD 35.88 Category : Vintage Capacitors Seller : hickok_meters(1639, 100.0%) |