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1. Power Tube Testing Service for Low Power Eimac Electron Tubes 8877 8874 4CX250B

   This includes but not limited to the following types You are not purchasing a tube. This is a service for testing your tube. Upon Receipt we will visually inspect, clean, and test the tube for gas, shorts, and cathode emission.

   eBay

2. EIMAC 7203 4CX250b Transmitting Tetrode, Air Cooled Beam Power Tube X403

   EIMAC 7203 4CX250b Transmitting Tetrode, Air Cooled Beam Power Tube X403 Used

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3. EIMAC 7203 4CX250b Transmitting Tetrode, Air Cooled Beam Power Tube X403

   Untested, came from an estate. Sold as is

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4. 4CX250B Vacuum Tube Socket

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5. 4CX250B Vacuum Tube NOS Socket

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6. Pair New Ceramic 8 Pin Loktal Tube Sockets for 4CX250B, 7A4, 7AF7, 7N7, 35Y, etc

   These fit loktal types like 4CX250B, 7A4, 7AF7, 7N7, 35Y4, etc. Under chassis mount requires a 1" chassis hole.

   eBay

7. (1) Eimac 4CX250B 7203 Transmitting Vacuum Tube Ham Amplifier

   For sale is an eimac 4cx250a tube. Condition is used. Sold as part of my grandfathers lifetime ham collection. Please see photos for detail and message me with any questions. Thanks!

   eBay

8. QST Amateur Radio Parallel 4CX250 B Amp Stub-Tuning System ++ 5 1975

   VG or better condition. Defects not visible in scan[s] are described. Issue complete. Contents 2nd scan. We apologize if this is not what you would prefer us to do, but we cannot get around it as a general policy.

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