HF Amplifiers

Amperex 3-400Z / 8163 Power Amplifier Tube Tested Full Output S/N 434587 date code 6740  I tested this 3-400Z, in an Ameritron AL-80 Amplifier and it is performing at full output. date code 6740 indicates it was manufactured in...

This Bakelite set of (2) NEW Tube Sockets, are for the 4-125, 3-400, 3-500Z, 4-250, 4-400, 4-400A and More  This is a bargain for a very high quality socket.

Cetron JAN 811A Vacuum Tube, NOS, Date Code 8235, Tested Full RF Output, USA Made Military Spec  I tested this tube in an Ameritron 811 Amplifier and it is full emission.  This is the only Cetron 811A I have and there are several other brands...

Eimac 3-400Z (8163) Power Amplifier Tube Tested Full Output S/N 921740 date code 7003  I tested this 3-400Z, in an Ameritron AL-80 Amplifier and it is performing at full output. It also comes with the anode heat sync cap as pictured.  This...

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This Eimac 4CX-350A JAN-8321 Power Amplifier Tetrode Tube, is New in the Box!  The Box indicates 2002 Date Codes. If you need this tube this is a new tube at a used tube price! I have only 4 of them left at the time of this ad. The Eimac...

This Eimac SK-2210 Tube Socket Assembly with Flange & Eimac SK-2216 PTFE Chimney, is for the 3CX1500A7/8877 Power Amplifier Tube.  This Assembly is in Excellent Condition  The Chassis Mounting Flange is included as is the Teflon Chimney...

This Eimac SK-2210 Tube Socket Assembly with Flange & Eimac SK-2216 PTFE Chimney, is for the 3CX1500A7/8877 Power Amplifier Tube.  This Assembly is in Excellent Condition. It has all the Grids I presume connected with a common plate with the two...

Heathkit SB-200 Amplifier Harbach Fan Kit (New Motor & Fan) I purchased this Fan Kit from Harbach Electronics several years ago when it was still being offered.  It comes with the hardware and instruction sheets.  They have been...

This Johnson 247 Ceramic Tube Socket, is for the 3CX1500A7/8877 Amplifier Tube. It is in Excellent Condition.   This is the Ceramic portion of the Eimac SK-2210 tube Socket and Flange assembly.  This is a bargain for a very high quality...

This Johnson 275 Ceramic Tube Socket, is for the 4-125, 3-400, 3-500Z, 4-250, 4-400, 4-400A and More.  It is in Excellent Condition.  The Johnson 275 is a high quality tube socket and much beter than the imported sockets you see on the market...