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181. Re: [TenTec] Various Sites (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Wed, 12 Sep 2018 08:49:22 -0500
Wes: Based on your findings, i.e. tuner didn't work,  and then it did work, then it stopped working, does indicate to me a faulty connection as opposed to a faulty component.    I keep saying this as
/archives//html/TenTec/2018-09/msg00039.html (11,537 bytes)

182. Re: [TenTec] Omni VI audio problem (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Mon, 17 Sep 2018 20:51:27 -0500
Stan: First I suggest turning the speech processor OFF and forever leave it OFF.    If you want to use it, just remember,  more is worse. Even though the mikes worked on the TR7, I view this is no in
/archives//html/TenTec/2018-09/msg00052.html (13,937 bytes)

183. Re: [TenTec] Omni VI audio problem (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Mon, 17 Sep 2018 21:25:09 -0500
Stan Unfortunately that input on the rear is "hot" all of the time and the signal (noise) is mixed with mike audio. It is isolated by a 10k ohm resistor. The MIC gain and SP level controls both input
/archives//html/TenTec/2018-09/msg00054.html (16,880 bytes)

184. Re: [TenTec] ten tec omi 6 plus (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Mon, 17 Sep 2018 22:16:45 -0500
Exercise the RX Ant switch. Common problem. Bob, K4TAX Sent from my iPhone
/archives//html/TenTec/2018-09/msg00057.html (8,848 bytes)

185. Re: [TenTec] Omni VI audio problem (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Tue, 18 Sep 2018 08:29:27 -0500
Even with that  approach, any noise coming out of the computer sound card output stage will be sent to the input of the Omni VI.   This will occur even when the audio gain of the computer is reduced
/archives//html/TenTec/2018-09/msg00060.html (20,153 bytes)

186. Re: [TenTec] Omni VI audio problem (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Tue, 18 Sep 2018 21:55:12 -0500
I've found typically the mike gain runs 9 o'clock to 10 o'clock on these radios.   Yes the 707 has much lower output and will require one to raise the gain a considerable amount.   My 707 sits on the
/archives//html/TenTec/2018-09/msg00064.html (27,280 bytes)

187. Re: [TenTec] Omni VI audio problem (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Tue, 18 Sep 2018 22:29:19 -0500
I would suggest wiring the HC-5 direct and bypass the amp in the G stand base. The purpose of the amp was to provide a very Hi Z load to the original crystal element, about 3 megohm, and to provide a
/archives//html/TenTec/2018-09/msg00066.html (37,412 bytes)

188. Re: [TenTec] OMNI Vl Model 563 - Carrier balance procedure & Tx in -Tx out jumper (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Mon, 24 Sep 2018 16:53:12 -0500
Carrier null should be done on 20M. Do switch from USB to LSB several times and compromise any difference. Bob, K4TAX Sent from my iPhone
/archives//html/TenTec/2018-09/msg00086.html (9,531 bytes)

189. Re: [TenTec] Ten Tec 565 with Tuner (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Wed, 26 Sep 2018 16:44:35 -0500
Check the 2 pin Molex connector on the radio.  With multiple insertions and the current draw, the tin contacts are noted to heat and loosen and thus not make good contact with the cable contacts.   L
/archives//html/TenTec/2018-09/msg00094.html (8,610 bytes)

190. Re: [TenTec] 585 paragon (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Thu, 27 Sep 2018 16:07:21 -0500
Yes, international shipping is getting very expensive.    I have a piece of test equipment which I sold via E-Bay.  When I went to ship the 10 lbs. packed to Brazil I was quoted $285 and that didn't
/archives//html/TenTec/2018-09/msg00098.html (8,962 bytes)

191. Re: [TenTec] 585 paragon (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Thu, 27 Sep 2018 16:52:08 -0500
Did you confirm it actually arrived?  WOW that's a good rate. How long in transit? 73 Bob, K4TAX Yes, international shipping is getting very expensive.    I have a piece of test equipment which I sol
/archives//html/TenTec/2018-09/msg00102.html (10,168 bytes)

192. Re: [TenTec] Wanted Centurion Amplifier (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Wed, 1 Aug 2018 09:16:08 -0500
Oh yes, for AM 60 watts would be excessive, based on my experience. The Centurion has about 10 dB gain (+ a bit depending on band). Thus 60 watts in would produce 600 out. At 600 watts, AM carrier mo
/archives//html/TenTec/2018-08/msg00001.html (14,931 bytes)

193. Re: [TenTec] Centurion hook up (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Thu, 2 Aug 2018 20:32:46 -0500
The Centurion has "hot switching " sensing. Take the Key line from the Corsair II to the PTT on the amp. Should be OK. If the Corsair does not have adequate delay then the amp won't switch. The other
/archives//html/TenTec/2018-08/msg00007.html (9,282 bytes)

194. Re: [TenTec] Centurion hook up (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Thu, 2 Aug 2018 21:33:02 -0500
Thanks Patrick.   I was not aware this was available. 73 Bob, K4TAX You can modify your Corsair II to have a TX OUT and TX EN keying loop. Here are the instructions: http://corsair.wikidot.com/corsai
/archives//html/TenTec/2018-08/msg00009.html (10,306 bytes)

195. Re: [TenTec] Centurion & Tubes (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Fri, 3 Aug 2018 11:55:44 -0500
Looks to me that RF Parts boast of the 3-500ZG on their web page. https://www.rfparts.com/tubes/tubes-3500.html <https://www.rfparts.com/tubes/tubes-3500.html>    However I didn't find any pricing. I
/archives//html/TenTec/2018-08/msg00014.html (12,420 bytes)

196. Re: [TenTec] Centurion & Tubes (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Fri, 3 Aug 2018 20:12:57 -0500
Yes, thanks to the new tariffs we can expect tube prices to go through the roof. Most tubes are made in China and branded under a US company. a.k.a. RF Parts. Bob, K4TAX Sent from my iPhone
/archives//html/TenTec/2018-08/msg00021.html (10,179 bytes)

197. Re: [TenTec] Centurion & Tubes (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Fri, 3 Aug 2018 21:08:00 -0500
A comment on 3-500 type tubes.  These types of tubes have an extremely high vacuum.   NOS units are subject to air leakage into the envelope around the pin seals.  The coated anode in the 3-500Z and
/archives//html/TenTec/2018-08/msg00023.html (14,160 bytes)

198. Re: [TenTec] Centurion & Tubes (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Sat, 4 Aug 2018 08:52:17 -0500
I've often heard hams say that they are operating at reduced power on their 3-500 amps.   Reason, to save the tubes.   Well that may not be accurate and, in fact, may just be the opposite.     The 3-
/archives//html/TenTec/2018-08/msg00030.html (21,797 bytes)

199. Re: [TenTec] OmniVI rotary encoder (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Wed, 8 Aug 2018 08:28:07 -0500
Once you have the top and bottom covers off, remove the top screw on each side of the front panel.  The front panel will tilt forward for access to the encoder. 73 Bob, K4TAX I need to replace the ro
/archives//html/TenTec/2018-08/msg00048.html (8,986 bytes)

200. Re: [TenTec] Orion VFO Knobs (score: 1)
Author: Bob McGraw K4TAX <rmcgraw@blomand.net>
Date: Wed, 8 Aug 2018 10:58:37 -0500
In many cases, the original supplier of the parts has discontinued specific items.  The new ownership has little to nothing to do with this fact.  Some parts were custom made for Tentec while some we
/archives//html/TenTec/2018-08/msg00055.html (14,124 bytes)

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