crystal socket
I am looking for one (or more) crystal sockets (preferably ceramic)
for the FT-171-B crystal and/or the DC-34 (or DC-35). I am aware that the FT-171-B will fit into standard banana jacks. I am also aware that many amateur radio operators used vacuum tube sockets, but I am looking for a crystal socket. For example, the Hallicrafters/Signal Corps BC-610 tuning unit has a crystal socket for the FT-171-B. I am not certain what type of DC-34 crystal socket was used in the BC-669. Also of interest is a ceramic (or possibly, plastic) 3-terminal socket for the FT-249. These were used primarily in crystal impedance meters of the time such as the latter versions of the TS-330/TSM. I am a crystal historian who is constructing a test fixture for measuring the electrical parameters for many types of crystals. I have a few hundred crystals to measure and I want to avoid using adapters whenever possible. Ken Burch WB9TRY |
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