Tubes - Transmitting, Audio, Misc.
Please choose from the following TUBES Sub-Catagory choices:
572B![]() |
811A![]() |
6146![]() |
|
4CX350 Series![]() |
|||
|
|||
SOCKETS![]() |
CHIMNEYS![]() |
PLATE CAPS![]() |
|
BOOKS![]() |
BASES![]() |
PARASITIC SUPPRESSOR![]() |

HX-100 National Company Socket For 3-500Z (Pull)
In Stock
Socket fits 3-500Z, 4-125, 4-250 and 4-400
Used * No longer available for export
MFR: National Company
SKU: HX-100-P
Add to Cart

HX-100S National Company Socket For 3-500Z (NOS)
In Stock
Socket fits 3-500Z,4-125 ,4-250 and 4-400.
New Old Stock.* No Longer Available for Export
MFR:National Company * Made in USA
SKU: HX-100S
Add to Cart
SK611 E.F. Johnson Socket for 4CX250B (NOS)
In Stock
Socket fits 4CX250B, 7203, 4CX250BC, 8957, 4CX250FG, 8621, 4CX250R, 7850W, 4CX350A, 8321, 4CX350F, 8322, 4CX350FJ, 8904, 4X150A, 7034, 7609, 8930, 4W300B, and 8249 tubes
MFR: E.F. Johnson * Made in USA
New Old Stock * No Longer Available for Export
SKU: SK611
Add to Cart
SK800B Eimac Tube Socket (Pull)
In Stock
Eimac Tube Socket
Clean Used
MFR: Eimac
SKU:SK800B-P
90 day limited warranty

123-211-1 EF Johnson Ceramic 4 Pin Tube Socket (Pull)
In Stock
123-211-1 EF Johnson Ceramic 4 Pin Tube Socket. 123-211-1
Popular "50 Watt" tube socket for tubes such as the 211 , B72A, and others with E.IA base no. A4-29. Mounts above chassis through 2.813" (71.45mm) diameter circle.
Used great condition * No longer available for export
MFR: EF Johnson
SKU: 123-211-1-PULL

SK-810B/Y770 Eimac Tube Socket (NOS/NIB)
In Stock
New Old Stock, New In Box
MFR: Eimac
SKU: SK-810B

SK-1510A Eimac Tube Socket (NOS)
In Stock
These sockets are designed to be used with Eimac tube types 8349/4CX35,000C, 8351/4CV100,000C, and 4CW100,000D.
All metal parts are silver plated. The insulating material is high-temperature ceramic.
Cooling of the tube in use is done by directing air across the socket.
New Old Stock
MFR: Eimac
SKU: SK-1510A
See Data Sheet
Add to Cart
SK-650 Tube Socket With Screen Bypass Ring (Pull)
In Stock
Tube socket designed to operate with 4CX150/7034, 7609, 7203/4CX250B, 8957/4CX250BC, 8621/4CX250FG, 7580W/4CX250R, 8249/4W300B, 8321/4CX350A, 8322/4CX350F, 8904/4CX350FJ.
Used * No longer available for export
SKU: SK650-BR-P

SK700 Eimac Tube Socket 4CX300A and 4CX300Y, Screen Bypass (Pull)
In Stock
Air system socket. One heater terminal grounded to shell. PTFE body insulation. Capacitor is encapsulated.
- Screen Bypass: 1.18 nF ± 10%
Used
MFR: Eimac
SKU: SK700-P
Add to Cart
SK-2200 Eimac Tube Socket for 3CX1500A7/8877 (Used)
In Stock
Eimac Tube Socket for 3CX1500A7/8877
Removed from new assemblies
Used * No longer available for export
MFR: Eimac
SKU: SK2200-P