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![]() |

Y268 Eimac Tube Socket and Chimney Combo (NOS)
In Stock
Same as SK620A excepct for modified bypass capacitor.
1500pf Bypass capacitor, 1000DCWV
Socket has a chimney siliconed onto it.
New old stock * No longer available for export
MFR: Eimac
SKU: Y268

SK-810 Eimac Tube Socket (Pull)
In Stock
Tube socket designed for the 4CX1000A and 4CW1000
Used
MRF: Eimac * Made in USA
SKU: SK-810-P

Middle Collet Mounting Ring for Eimac SK-300A (Pull)
In Stock
Designed to function as a conductive bracket for the bottom of the SK-300A
Used * No longer available for export
MFR: Eimac
SKU: MCMR

Inner Collet Mounting Ring for Eimac SK-300A (Pull)
In Stock
Designed to function as a conductive bracket for the bottom of the SK-300A
Used * No longer available for export
MFR: Eimac
SKU: ICMR

Eimac Right Angle Mounting Bracket for SK300A/SK300 (Pull)
In Stock
Designed to function as a mounting bracket for the base of the SK300. Generally used to fasten a cable to the base of the socket to run power through.
Used * No longer available for export
MFR: Eimac
SKU: RAMB

SK-300A Eimac Replacement Chassis (Pull)
In Stock
Replacement chassis for SK300A. Comes as seen in photo
Used
MFR: Eimac
SKU: SK300A-RC

SK-300 Eimac Socket for 4CX5000 (Pull)
In Stock
Designed to function with 4CX5000A, 4CX5,000R, 4CX5,000J
Used
MFR: Eimac
SKU: SK300-P

SK-300 Eimac Socket for 4CX5000 and 4CW10000 (NOS)
In Stock
Designed to function with 4CX5000A, 4CX5,000R, 4CX5,000J 4CW10,000A 4CW10,000B 4CW10,000R, 4CW25,000A, 4CW25,000B, 4CPW10,000, and 4CW30,000A tubes.
Same as Y-291 except for bracket placement.
New Old Stock
MFR: Eimac
SKU: SK300

4X150G Eimac JAN- 8172 Transmitting Tetrode Tube Air Cooled (NOS)
In Stock
Similar to 4X150A with coaxial base. Max frequency raised to 500MHz CW or to 1500MHz pulse.
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4X150G-EI-NOS
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SK-831 Eimac Tube Socket for 4CX1000K or 4CX1500A (Pull)
In Stock
Bypass capacitor 2500pf. 1000DCWV
Air system socket. Heavy filament leads. Same square mounting plate as the sk SK840. No tube elements are grounded
Used
MFR: Eimac
SKU: SK-831-P