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38-690 Treble/Audio Bandwidth
03-09-2021, 08:43 PM
I went out to where my unrestored 38-690 is stored and checked the selectivity control. It turns the same amount as my 37-116 and 38-116 - about 300 degrees. Is it possible that the adjustment for the pot on the control is "out of sync" with the IF controls? One would certainly think that the 38-690 with tweeters would do better than the 37-116 or the 38-116. As I recall, it might be possible to hook the shaft into the pot 180 degrees off.
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Messages In This Thread
38-690 Treble/Audio Bandwidth - by tbone - 03-09-2021, 05:37 PM
RE: 38-690 Treble/Audio Bandwidth - by rfeenstra - 03-09-2021, 08:43 PM
RE: 38-690 Treble/Audio Bandwidth - by morzh - 03-09-2021, 10:58 PM
RE: 38-690 Treble/Audio Bandwidth - by radiorich - 03-09-2021, 11:52 PM
RE: 38-690 Treble/Audio Bandwidth - by tbone - 03-10-2021, 05:50 AM
RE: 38-690 Treble/Audio Bandwidth - by rfeenstra - 03-10-2021, 01:03 PM
RE: 38-690 Treble/Audio Bandwidth - by rfeenstra - 03-10-2021, 01:18 PM
RE: 38-690 Treble/Audio Bandwidth - by morzh - 03-10-2021, 03:14 PM
RE: 38-690 Treble/Audio Bandwidth - by tbone - 03-10-2021, 06:29 PM
RE: 38-690 Treble/Audio Bandwidth - by rfeenstra - 03-10-2021, 07:38 PM
RE: 38-690 Treble/Audio Bandwidth - by morzh - 03-10-2021, 07:49 PM
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