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Author Topic: Help ID a Collins coil  (Read 1527 times)
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KM1H
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« on: March 27, 2013, 07:53:48 PM »
Anybody recognize this Collins coil? It has the standard 4 pin base and the only marking is 2701 A on the lower part of the ceramic. The closest I can get by browsing thru the Collins site is a 4A transmitter but the box looks too new for that early 30's rig.

Carl

* Collins coil.jpg (893.1 KB, 1000x750 - viewed 313 times.)
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Todd, KA1KAQ
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« Reply #1 on: March 27, 2013, 08:57:28 PM »
It's in the pre-war realm, can't tell which one for certain. 4A is completely possible. I've got all my early documentation on the drive in the crapped out laptop, still need to yank it out and get the files off.
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