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1. [TenTec] Need help with corsair ii (score: 1): Author: nf4r@comcast.net; Date: Sun, 24 Mar 2013 20:01:13 +0000 (UTC); I am told that my corsair ll has low audio while on the air. Was using my 705 mic.,have also tried my heil mics,with same reports. Both of these mics work fine on my paragon. Corsair was purchased fr; /archives//html/TenTec/2013-03/msg00323.html (8,046 bytes)
2. Re: [TenTec] Need help with corsair ii (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Sun, 24 Mar 2013 20:42:33 +0000; Have you tried putting a fresh 9V battery in the 705 mic? I assume you don't have an oscilloscope. 73, Barry N1EU _______________________________________________ TenTec mailing list TenTec@contesting; /archives//html/TenTec/2013-03/msg00326.html (8,518 bytes)
3. Re: [TenTec] Need help with corsair ii (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Sun, 24 Mar 2013 19:46:50 -0500; With voltages like that, it somewhat indicates that the elecrtolytics may need replacing. These are the coupling caps between stages. If the IC output drifts negative then the IC is reversed polarize; /archives//html/TenTec/2013-03/msg00327.html (9,782 bytes)
4. Re: [TenTec] Need help with corsair ii (score: 1): Author: nf4r@comcast.net; Date: Mon, 25 Mar 2013 02:56:42 +0000 (UTC); Thanks for the reply. No scope. Mine has abt. 8.4v at pin four since it is a later sn.Also tried battery. 73 de nf4r -- Original Message -- Have you tried putting a fresh 9V battery in the 705 mic? I; /archives//html/TenTec/2013-03/msg00329.html (9,598 bytes)
5. Re: [TenTec] Need help with corsair ii (score: 1): Author: "Robert Mcgraw" <rmcgraw@blomand.net>; Date: Sun, 24 Mar 2013 22:03:01 -0500 (CDT); Pin 4 is the charge voltage used for Electret type mikes. 73 Bob, K4TAX _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/l; /archives//html/TenTec/2013-03/msg00330.html (11,349 bytes)
6. Re: [TenTec] Need help with corsair ii (score: 1): Author: nf4r@comcast.net; Date: Mon, 25 Mar 2013 03:25:04 +0000 (UTC); Thanks for the reply Bob. I was using the cabinet as gnd. I will recheck voltages in the morning and use the board its self as gnd,or the negative dc input as gnd. That board is a bummer to get out,; /archives//html/TenTec/2013-03/msg00331.html (11,426 bytes)
7. Re: [TenTec] Need help with corsair ii (score: 1): Author: "Robert Mcgraw" <rmcgraw@blomand.net>; Date: Sun, 24 Mar 2013 22:41:36 -0500 (CDT); If all else fails, do check with Paul at Tentec Service. 73 Bob, K4TAX _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/li; /archives//html/TenTec/2013-03/msg00332.html (12,492 bytes)
8. Re: [TenTec] Need help with corsair ii (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Mon, 25 Mar 2013 08:47:44 +0000; No need Dave. I checked the voltages in my Corsair II and they are the same as your measured voltages. This is just one more case of the Corsair II manual being wrong. My transmit audio is fine with; /archives//html/TenTec/2013-03/msg00333.html (8,399 bytes)
9. Re: [TenTec] Need help with corsair ii (score: 1): Author: "Curt" <rhulett1@consolidated.net>; Date: Mon, 25 Mar 2013 07:09:30 -0500; FWIW, am using an unamplified D-104 with my Corsair II and no complaints. 73, Curt KB5JO Thanks for the reply Bob. I was using the cabinet as gnd. I will recheck voltages in the morning and use the b; /archives//html/TenTec/2013-03/msg00334.html (9,498 bytes)
10. Re: [TenTec] Need help with corsair ii (score: 1): Author: "Robert Mcgraw" <rmcgraw@blomand.net>; Date: Mon, 25 Mar 2013 10:17:28 -0500 (CDT); The original description was a report of "low audio". In my thinking, this is really not likely however low power output is more likely if audio is not adequate. If audio gain in the system is inadeq; /archives//html/TenTec/2013-03/msg00335.html (10,728 bytes)
11. Re: [TenTec] Need help with corsair ii (score: 1): Author: nf4r@comcast.net; Date: Mon, 25 Mar 2013 15:40:45 +0000 (UTC); I don't have another amplified mic. The 705 works fine on my paragon,but the input circuits may be different,also the paragon has mic. gain knob on it ???? Now it gets interesting. Some where on the; /archives//html/TenTec/2013-03/msg00336.html (9,850 bytes)
12. Re: [TenTec] Need help with corsair ii (score: 1): Author: nf4r@comcast.net; Date: Mon, 25 Mar 2013 15:52:28 +0000 (UTC); The pwr. out is 80-100 watts depending on the band I am on. Will try to borrow an amplified mic and try that. -- Original Message -- From: "Robert Mcgraw" <rmcgraw@blomand.net> To: "Discussion of T; /archives//html/TenTec/2013-03/msg00337.html (11,042 bytes)
13. Re: [TenTec] Need help with corsair ii (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Mon, 25 Mar 2013 16:23:31 +0000; Looking at the schematics, the Paragon appears to have substantially (23dB?) more gain in the mic input circuit compared to the Corsair. Without an oscilloscope, without another high output mic or mi; /archives//html/TenTec/2013-03/msg00338.html (9,481 bytes)
14. Re: [TenTec] Need help with corsair ii (score: 1): Author: Wade Staggs <tvman1954@gmail.com>; Date: Mon, 25 Mar 2013 11:39:00 -0500; I don't know about an Amplified Microphone but, My friend W5SRR/Cary uses an Unamplified Shure 444 set for High Impedance on his Corsair. I have had Fantastic Results from my Corsair and Omni D using; /archives//html/TenTec/2013-03/msg00339.html (11,836 bytes)
15. Re: [TenTec] Need help with corsair ii (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Mon, 25 Mar 2013 09:48:57 -0700; On 3/25/2013 9:39 AM, Wade Staggs wrote: This was a surprise to me because these are Solid State Radio's. I guess it has to do with the time in history that these radio's were made. They probably wan; /archives//html/TenTec/2013-03/msg00340.html (9,583 bytes)
16. Re: [TenTec] Need help with corsair ii (score: 1): Author: Wade Staggs <tvman1954@gmail.com>; Date: Mon, 25 Mar 2013 12:04:19 -0500; All I can speak from is experience. If I wire a Low Impedance Microphone to my SB-101, HW-101, Swan MB-40, Ten Tec Corsair, Omni D or Drake TR4C the Microphone gain must be run at a much higher level; /archives//html/TenTec/2013-03/msg00341.html (11,361 bytes)
17. Re: [TenTec] Need help with corsair ii (score: 1): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 25 Mar 2013 13:35:58 -0400; *I think R68, at 15k ohms, is holding the first mic amp gain down n the Corsair. If I recall correctly, I have in the past changed this resistor to* *around 220k-330k to bring the gain up. The Parago; /archives//html/TenTec/2013-03/msg00342.html (8,681 bytes)
18. Re: [TenTec] Need help with corsair ii (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Mon, 25 Mar 2013 12:21:36 -0700; Of course. That's the difference between a Hi-Z mic and a Lo-Z mic. And nearly all mics sold for use with ham gear are Lo-Z mics. There's nothing wrong with increasing the gain to accommodate the low; /archives//html/TenTec/2013-03/msg00352.html (10,046 bytes)
19. Re: [TenTec] Need help with corsair ii (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Mon, 25 Mar 2013 19:58:51 +0000; Right, and as Phil and I previously alluded to, the single opamp gain stage of the Corsair II mic input uses 15K/10K resistors, for a whopping 3.5dB available gain if my rusty circuit analysis is cor; /archives//html/TenTec/2013-03/msg00355.html (9,805 bytes)
20. Re: [TenTec] Need help with corsair ii (score: 1): Author: Richards <jruing@ameritech.net>; Date: Mon, 25 Mar 2013 16:08:27 -0400; IMHO, an outboard mic preamp (Behringer) is an indispensable tool to have in any ssb hamshack. _______________________________________________ Golly, Barry I don't see why you need a preamp unless y; /archives//html/TenTec/2013-03/msg00356.html (9,923 bytes)

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