Copper Talk » Ask The Tech » General Technical Questions » Archived Messages » I need clarifier tuneup numbers by the frequncy please for a cobra 139xlr e. « Previous Next »

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Rightwing
Posted on Wednesday, February 26, 2003 - 2:50 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

it has an open clarifier and i know where the controls for tuning am, lsb, and usb are but i need to know with the clarifier in the noon position what numbers do i tune for using a frquency counter?example: on channel19 am:tune am: tune for 12xxx ,lsb :12xxx, usb:12xxx. follow me so far? thanks...
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307
Posted on Wednesday, February 26, 2003 - 7:46 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

AM. Dead key , no mod , 27.185
LSB , with 1kHz injection at the mic , 27.184
USB , with 1kHz injection at the mic , 27.186

307
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Rightwing
Posted on Thursday, February 27, 2003 - 12:21 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

thanks a million. 307, in your experience as a tech ,with a stock clarifier control how far up and down can i go with a 5.6 microhenry choke coil? im seriously considering going 20-25 kcs up@down with it. i know it would be touchy as heck, so i was just wondering. i may get a 10 turn pot instead of using the stock one.. let me know also please if a 10 turn pots still available from copper. thanks again

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