 | NOS RCA JAN CRC 12SN7-GT VACUUM TUBE AMPLITREX TESTED 92/96% Gm
USD 30.0
Category : Vintage Tubes & Tube Sockets
Seller : one-nation-audio(3595, 99.9%) |  | Mullard EL84/6BQ5 O-Getter Blackburn England Amplitrex Tested Strong 87% Gm
USD 35.0
Category : Vintage Tubes & Tube Sockets
Seller : one-nation-audio(3591, 99.9%) |
 | 4- SYLVANIA USA BALDWIN BRANDED 12AU7 TUBES LONG PLATE AMPLITREX TESTD STRONG
USD 35.0
Category : Vintage Tubes & Tube Sockets
Seller : one-nation-audio(3516, 99.9%) |  | 1 Nice GE MARCONI 5871, Industrial 6V6GTY Brown Base Tested via Amplitrex at 91%
USD 20.0
Category : Vintage Tubes & Tube Sockets
Seller : foundityesterday(729, 100.0%) |
 | One Strong Sylvania 7025 12AX7 ECC83 Round Getter Long Gray Plate Amplitrex
USD 19.95
Category : Vintage Tubes & Tube Sockets
Seller : foundityesterday(739, 100.0%) |  | 6GW8 ECL86 Mullard Vacuum Tube Made In England Amplitrex Tested Strong
USD 25.0
Category : Vintage Tubes & Tube Sockets
Seller : one-nation-audio(3591, 99.9%) |
 | Quad used Svetlana Winged =c= 6550 Tube Amplitrex Tested
USD 145.0
Category : Vintage Tubes & Tube Sockets
Seller : rhinohifi714(1083, 100.0%) |  | BEST RCA 6922 E88CC AMPLITREX TESTED 126%/122% mA 1400/1300 GM! MADE IN ENGLAND!
USD 115.0
Category : Vintage Tubes & Tube Sockets
Seller : tubemuseumusa(6079, 100.0%) |
![One RCA 6AU6 Tube NOS NIB Black Plate D Getter GM[%] 115 EM[%]: 117 AMPLITREX](https://i.ebayimg.com/thumbs/images/g/HOIAAOSwDrFme3q2/s-l140.jpg) | One RCA 6AU6 Tube NOS NIB Black Plate D Getter GM[%] 115 EM[%]: 117 AMPLITREX
USD 10.95
Category : Vintage Tubes & Tube Sockets
Seller : murphken(5387, 100.0%) |  | Sylvania 5932 / 6L6 WGA Tube Pair - NOS - Amplitrex Tested - Date Match - Nice
USD 85.0
Category : Vintage Tubes & Tube Sockets
Seller : dorothy_and_valtons_white_house(1155, 100.0%) |
 | SYLVANIA 7072A Tube ( labeled RCA ) NOS - Amplitrex tested -
USD 70.0
Category : Vintage Tubes & Tube Sockets
Seller : thetubeshop.com(1393, 100.0%) |  | 1 x 1950's GE 5751 3-Mica Tube Amplitrex Tested at 91/83% GM
USD 22.0
Category : Vintage Tubes & Tube Sockets
Seller : foundityesterday(741, 100.0%) |
 | Two Excellent GE 6BL8 ECF80 Tubes NOS NIB Matched GM[%[: 124/95 132/91 AMPLITREX
USD 9.95
Category : Vintage Tubes & Tube Sockets
Seller : murphken(5388, 100.0%) |  | 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%) |
 | One Nice 1960's Sylvania 6189 12AU7WA ECC82 tube 3 Mica Balanced Amplitrex 95/95
USD 24.0
Category : Vintage Tubes & Tube Sockets
Seller : foundityesterday(740, 100.0%) |  | Lot of 7 Nice 6L6 Tubes, 3 x 6L6GC 4 x 6L6GB , Amplitrex or TV-7 Tested
USD 99.0
Category : Vintage Tubes & Tube Sockets
Seller : foundityesterday(731, 100.0%) |
 | Lot Of 3 NOS NIB RCA Siemens 6BM8 ECL82 Matching Tube Germany Amplitrex Tested
USD 80.0
Category : Vintage Tubes & Tube Sockets
Seller : one-nation-audio(3547, 99.9%) |  | Mullard 5AR4/GZ34 Rectifier Tube - Amplitrex Tested - 4 Notch UK Mfg
USD 115.0
Category : Vintage Tubes & Tube Sockets
Seller : dorothy_and_valtons_white_house(1154, 100.0%) |
 | NOS NEVZ 6N6P /6H6N / ECC99 Amplitrex Matched Pair GOLD-GRID RED-TIP
USD 139.0
Category : Vintage Tubes & Tube Sockets
Seller : diopdio(605, 100.0%) |  | Pair NOS RCA JRC 5751 12AX7 Black Plate Audio Tubes Amplitrex Tested Match Date
USD 125.0
Category : Vintage Tubes & Tube Sockets
Seller : one-nation-audio(3576, 99.9%) |