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![]() |

SK1900 Eimac Tube Socket for 3CX400A7
In Stock
This socket is a substitute for the E.F. Johnson 124-0311-100 or 124-0311-100-1.
MFR: Eimac
SKU: SK1900
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122-0244-200 Heavy Duty Wafer Type Tube Socket (Used0
In Stock
Contacts: Phosphor bronze per 00-8-7S0, with beryllium copper springs per QQ-C-533, .0005" silver plated.
Heavy duty steatite insulated wafer type socket. For 8008 type tube and many rectifier and thyratron types with E.IA base nos. MIS, A4-16, and A4-18. Four pin configuration.
• High current capacity
• Positive, low resistance contact between tube pins and socket contacts
• Sub-panel mounting possible with countersunk rivets
and bossed mounting holes
Johnson "244" 4 pin jumbo, Silver pins, mil-grade, flat steatite.
Ceramic socket for 8008 and many rectifier & thyratron type with EIA base numbers A4-15, A4-16 and A4-18
Used * No longer available for export
SKU: 122-0244-200-P

122-0247-202 Johnson flat ceramic, 7 pin, Military grade
In Stock
Base: L423 steatite, DC-200 treated
Shell: Aluminum per 00-A-200/8, iridited
Contacts: Phosphor bronze per 00-B-750, with beryllium copper springs per 00-C-533, .0005" silver plated
• Securely holds tube
• Positive, low resistance contact between tube pins and socket contacts
Designed for 7 pin tubes with E.IA base no. E7-2 such as the 7094 .
New old stock * No longer available for export
SKU:122-0247-202
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SK650 Tube Socket (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-P

SK700 Eimac Tube Socket 4CX300A and 4CX300Y, Screen Bypass (NOS)
In Stock
- Screen Bypass: 1.18 nF ± 10%
New Old Stock
MFR: Eimac
SKU: SK700

001839 Eimac Control Grid Collet for SK300 Socket (NOS)
In Stock
This is the collet that fits on the outside of 001837 & 001838 Collects on SK300 Eimac tube socket. Size: 3.8" Inside Diameter
New Old Stock
MFR: Eimac
SKU: 001839-EI

123-211-P Johnson Ceramic 4 Pin Tube Socket (Pull)
In Stock
123-211-P Johnson Ceramic 4 Pin Tube Socket (Pull)
Removed from working equipment. Condition and Cosmetics may vary.
Used * No longer available for export
SKU: SK211-P

SK740 Eimac Tube Socket for 4CX300A and 4CX300Y (Pull)
In Stock
Tube Socket for 4CX300A & 4CX300Y
Used * No longer available for export
MFR: Eimac
SKU: SK740-P
Similar to Y231, SK760

CK180S Raytheon Tube Socket for 4CX300A and 4CX300Y (Pull)
In Stock
CK180S-P Raytheon Tube Socket for 4CX300A and 4CX300Y
Similar to Y231, SK740, SK760
Used * No longer available for export
MFR: Raytheon
SKU: CK180S-P

Y181 Eimac Tube Socket for 4CX300A/Y (NOS)
In Stock
Tube Socket for 4CX300A and 4CX300Y
New Old Stock
MFR: Eimac
SKU: Y181
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