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1. [TenTec] Corsair II Audio Question (score: 1): Author: Shawn Upton <kb1ckt@yahoo.com>; Date: Fri, 25 Mar 2022 13:01:24 +0000 (UTC); Sorry, my new-to-me radio didn't come with a manual. I'm glad that TenTec was nice enough to post pdf's but the copy isn't that great. Looks like audio goes to the bandpass filter made of U3 and U4,; /archives//html/TenTec/2022-03/msg00026.html (8,132 bytes)
2. Re: [TenTec] Corsair II Audio Question (score: 1): Author: Bob DeVarney W1ICW <w1icw@myfairpoint.net>; Date: Fri, 25 Mar 2022 10:30:49 -0400; Hi Shaun, I believe the circuit you're referring to is likely the audio bandpass filter. It allows you to "peak" the audio on a particular tone for CW clarity, in addition to the optional IF filters.; /archives//html/TenTec/2022-03/msg00027.html (9,674 bytes)
3. Re: [TenTec] Corsair II Audio Question (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Fri, 25 Mar 2022 08:45:21 -0700; Welcome to the hodge podge of the barely readable 561's IF-AF board schematic. I haven't looked at it in ten years but I meticulously dissected it back then and modified the hell out of it. The piece; /archives//html/TenTec/2022-03/msg00028.html (9,050 bytes)
4. Re: [TenTec] Corsair II Audio Question (score: 1): Author: Shawn Upton <kb1ckt@yahoo.com>; Date: Fri, 25 Mar 2022 16:02:48 +0000 (UTC); I did order the OPA2134 op-amps but I'm not sure if I should have now; I'm guessing the lower cost 5532's might be fine, and really, maybe even not that much--it's not that noisy, after all. Ah I see; /archives//html/TenTec/2022-03/msg00029.html (9,994 bytes)

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