Tubes - Transmitting, Audio, Misc.
Please choose from the following TUBES Sub-Catagory choices:
572B![]() |
811A![]() |
6146![]() |
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4CX350 Series![]() |
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SOCKETS![]() |
CHIMNEYS![]() |
PLATE CAPS![]() |
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BOOKS![]() |
BASES![]() |
PARASITIC SUPPRESSOR![]() |
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HX-100 National Company Socket For 3-500Z (NOS)
$31.91 -
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National (Johnson 211 Type) 4 Pin Ceramic Tube Socket (NOS)
$54.95National (Johnson 211 Type) 4 Pin Ceramic Tube Socket (NOS)
Popular "50 Watt" tube socket for tubes such as the 211, B72A, and others with EIA base no. A4-29. Mounts above chassis through 2.813" (71.45mm) diameter circle.
New Old Stock * No longer available for export
MFR: National
SKU: NATIONAL-4PIN-SOCKETMade in the USA -
434 Birnbach Ceramic 4 Pin Tube Socket (Pull)
$19.91434 Birnbach Ceramic 4 Pin Tube Socket (Pull)
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: 434-4Pin-Socket-PMade in the USA -
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SK2210 HAT Teflon Tube Socket Assembly for 3CX1500A7/8877 (Pull)
$74.915935-99-056-0096
Used* No longer available for export
MFR: HAT
Made in Spain
SKU: SK2210-HATThe matching Chimney is SK2216. Chimney sold separately.
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SK-1510A Eimac Tube Socket Reconditioned
$1,989.90 -
SK-300 Eimac Socket for 4CX5000 and 4CW10000 (NOS)
$1,119.90 -
SK-400 Eimac Custom Air-System Socket (Pull)
$60.91The SK-400 Air-System Socket is the recommended socket for use with the 4-400A tetrode, and it may be used as well with 4-250A, 4-125A and other tubes having the same dimensions, like the 3-500zg, or 3cx1200A7. The SK-400 provides efficient connection between the tube and its external circuits, acts as a firm mechanical support for the tube, and controls the flow of cooling air around the tube envelope.
This socket was customized by the previous owner to use a non-standard air source.
Used * No longer available for export
MFR: Eimac
SKU: SK400-P-CUSTOMSee Data Sheet
Photo is for reference only as each socket may have cosmetic differences
Made in the USA