540 TX audio
I do not know where your drive is set, but if the drive is set too
high it will sound just like you describe. ALC should light on voice
peaks.
Just my $ .02 worth.
Paul K9OT
On Sat, Apr 4, 2015 at 11:00 AM, <tentec-request@contesting.com> wrote:
> Send TenTec mailing list submissions to
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> Today's Topics:
>
> 1. Re: RKR Designs LLC purchases (Ben Antanaitis - WB2RHM)
> 2. Re: Fw: Power down on Omni VI plus (Stuart Rohre)
> 3. Re: RKR Designs LLC purchases (Jose F Ballester)
> 4. Re: [Ten-Tec-Omni-VII] Re: RKR Designs LLC purchases
> Alpha/Ten-Tec from RF Concepts (Rick - DJ0IP / NJ0IP)
> 5. 540/Triton Transmit Audio Distortion (Bill Acito)
> 6. Re: 540/Triton Transmit Audio Distortion (Jim Brown)
> 7. Re: 540/Triton Transmit Audio Distortion (Rick - DJ0IP / NJ0IP)
> 8. Re: 540/Triton Transmit Audio Distortion (Rick - DJ0IP / NJ0IP)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 03 Apr 2015 14:38:05 -0400
> From: Ben Antanaitis - WB2RHM <wb2rhm@wb2rhm.com>
> To: tentec@contesting.com
> Subject: Re: [TenTec] RKR Designs LLC purchases
> Message-ID: <20150403183809.F28E0AC9CC3@mx.contesting.com>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
> At 14:19 4/3/2015, you wrote:
>
> It may just a case of wanting the merged company to be governed under
> only the Business laws of Colorado. Maybe they get a state tax break
> 'hand-out'.
>
> Ben - WB2RHM
>
>
>
>>MIME-Version: 1.0
>>To: Ten-Tec-Omni-VII@yahoogroups.com,
>> Discussion of Ten-Tec Equipment <tentec@contesting.com>
>>References:
>><31285489.5790243.1428071365071.JavaMail.root@vznit170128.mailsrvcs.net>
>> <88BB98FE-AC96-45E2-88D2-26DF4D605F58@gmail.com>
>> <3e8a7bac-7c44-47ad-8e45-58185dae5ceb@email.android.com>
>>In-Reply-To: <3e8a7bac-7c44-47ad-8e45-58185dae5ceb@email.android.com>
>>Date: Fri, 03 Apr 2015 13:01:48 -0500
>>Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>>Message-ID: <4aba04e0-f5e5-4227-a89c-26a9271f55c9@email.android.com>
>>Content-Type: text/plain;
>> charset=UTF-8
>>Subject: Re: [TenTec] [Ten-Tec-Omni-VII] Re: RKR Designs LLC purchases
>> Alpha/Ten-Tec from RF Concepts
>>Message: 7
>>
>>I am not willing to dig into what are the differences between
>>Colorado tax codes and Tennessee tax codes, but if one applies
>>"Occam's razor"... The simplest explanation is often the correct one
>>and unless I hear they went belly up it's not really relevant to my world...
>>73, Brian KA9EGW
>>
>>_______________________________________________
>>TenTec mailing list
>>TenTec@contesting.com
>>http://lists.contesting.com/mailman/listinfo/tentec
>
>
>
> ------------------------------
>
> Message: 2
> Date: Fri, 03 Apr 2015 13:38:16 -0500
> From: Stuart Rohre <rohre@arlut.utexas.edu>
> To: tentec@contesting.com
> Subject: Re: [TenTec] Fw: Power down on Omni VI plus
> Message-ID: <551EDE18.8010204@arlut.utexas.edu>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Certainly relays can be a failure point. Sealed relays in modern rigs
> may still arc or oxidize at the contacts, and I have even seen relays
> that were not seated to the solder pads fully, before the board was
> soldered. That was in a Kenwood, but could happen to any relay equipped
> device.
>
> I also suggested the power buses as a point to check for solder problem
> joints, and electrolytics that maybe only have a 20 year lifetime.
>
> Stuart Rohre
> K5KVH
>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 3 Apr 2015 14:59:08 -0400
> From: Jose F Ballester <jfballester@gmail.com>
> To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
> Subject: Re: [TenTec] RKR Designs LLC purchases
> Message-ID: <E20C82A1-69C6-475F-BD20-9EAD9CE6C62B@gmail.com>
> Content-Type: text/plain; charset=utf-8
>
> I hope my pessimism is just that. Agree that even if the transaction is
> only on the surface, a transfer of assets (of course it depends which ones)
> there may be valid financial reasons for choosing it, but in my experience,
> in general,it just doesn?t ring the right bell. Anyway, let?s hope that the
> ?new? owners can and will invest in new products because in my book their
> product line is quickly falling behind the curve.
>
> 73 de Pepe WP3HW
>
>
> On Apr 3, 2015, at 2:38 PM, Ben Antanaitis - WB2RHM <wb2rhm@wb2rhm.com> wrote:
>
> At 14:19 4/3/2015, you wrote:
>
> It may just a case of wanting the merged company to be governed under only
> the Business laws of Colorado. Maybe they get a state tax break 'hand-out'.
>
> Ben - WB2RHM
>
>
>
>> MIME-Version: 1.0
>> To: Ten-Tec-Omni-VII@yahoogroups.com,
>> Discussion of Ten-Tec Equipment <tentec@contesting.com>
>> References:
>> <31285489.5790243.1428071365071.JavaMail.root@vznit170128.mailsrvcs.net>
>> <88BB98FE-AC96-45E2-88D2-26DF4D605F58@gmail.com>
>> <3e8a7bac-7c44-47ad-8e45-58185dae5ceb@email.android.com>
>> In-Reply-To: <3e8a7bac-7c44-47ad-8e45-58185dae5ceb@email.android.com>
>> Date: Fri, 03 Apr 2015 13:01:48 -0500
>> Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>> Message-ID: <4aba04e0-f5e5-4227-a89c-26a9271f55c9@email.android.com>
>> Content-Type: text/plain;
>> charset=UTF-8
>> Subject: Re: [TenTec] [Ten-Tec-Omni-VII] Re: RKR Designs LLC purchases
>> Alpha/Ten-Tec from RF Concepts
>> Message: 7
>>
>> I am not willing to dig into what are the differences between Colorado tax
>> codes and Tennessee tax codes, but if one applies "Occam's razor"... The
>> simplest explanation is often the correct one and unless I hear they went
>> belly up it's not really relevant to my world...
>> 73, Brian KA9EGW
>>
>> _______________________________________________
>> TenTec mailing list
>> TenTec@contesting.com
>> http://lists.contesting.com/mailman/listinfo/tentec
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
>
> ------------------------------
>
> Message: 4
> Date: Fri, 3 Apr 2015 23:16:28 +0200
> From: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
> To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
> Subject: Re: [TenTec] [Ten-Tec-Omni-VII] Re: RKR Designs LLC purchases
> Alpha/Ten-Tec from RF Concepts
> Message-ID: <009301d06e53$745edfa0$5d1c9ee0$@de>
> Content-Type: text/plain; charset="us-ascii"
>
> Congratulations Brian!
> Yours was the best response I have read yet.
>
> 73 - Rick, DJ0IP
> (Nr. Frankfurt am Main)
>
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of KA9EGW
> Sent: Friday, April 03, 2015 8:02 PM
> To: Ten-Tec-Omni-VII@yahoogroups.com; Discussion of Ten-Tec Equipment
> Subject: Re: [TenTec] [Ten-Tec-Omni-VII] Re: RKR Designs LLC purchases
> Alpha/Ten-Tec from RF Concepts
>
> I am not willing to dig into what are the differences between Colorado tax
> codes and Tennessee tax codes, but if one applies "Occam's razor"... The
> simplest explanation is often the correct one and unless I hear they went
> belly up it's not really relevant to my world...
> 73, Brian KA9EGW
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
>
> ------------------------------
>
> Message: 5
> Date: Sat, 4 Apr 2015 01:41:46 -0400
> From: Bill Acito <w1pa@hotmail.com>
> To: "TenTec@contesting.com" <tentec@contesting.com>
> Subject: [TenTec] 540/Triton Transmit Audio Distortion
> Message-ID: <BAY180-W27E49E163C3158206104F598F00@phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> My restoration project continues...
> My project 540 has great receive audio, but very distorted transmit audio, as
> if it was being overdriven. Power out into a dummy loadlooks good, but on
> another receiver I can hear the audio peaks of myvoice but the audio itself
> sounds like hash, severely distorted -- like modulated static.I find that if
> I move the mic away from my mouth 12-18 inches andspeak low the audio sounds
> acceptable on the other receiver.
> I have tried a 700 hand mic and a high z Turner 350C with no difference.
> What boards should I be looking at? the SSB generator? Finals?
> Bill W1PA
>
>
>
> ------------------------------
>
> Message: 6
> Date: Fri, 03 Apr 2015 23:59:11 -0700
> From: Jim Brown <k9yc@audiosystemsgroup.com>
> To: tentec@contesting.com
> Subject: Re: [TenTec] 540/Triton Transmit Audio Distortion
> Message-ID: <551F8BBF.3090806@audiosystemsgroup.com>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> On Fri,4/3/2015 10:41 PM, Bill Acito wrote:
>> I find that if I move the mic away from my mouth 12-18 inches andspeak low
>> the audio sounds acceptable on the other receiver.
>
> Sounds like nothing more than the mic gain turned up way too high. I
> don't know the 540, but the manual should tell you where the mic gain is.
>
> 73, Jim K9YC
>
>
> ------------------------------
>
> Message: 7
> Date: Sat, 4 Apr 2015 10:11:09 +0200
> From: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
> To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
> Subject: Re: [TenTec] 540/Triton Transmit Audio Distortion
> Message-ID: <001901d06eae$e8e549d0$baafdd70$@de>
> Content-Type: text/plain; charset="us-ascii"
>
> Bill,
>
> The 540 has an interesting feature.
> You can unplug the coax coming from the driver and plug it directly into the
> Low Pass Filter. (Of course 'after' unplugging the coax from the finals from
> the LPF board).
>
> When you do this, you have a 5w QRP radio.
>
> Try that. This will show you immediately if the trouble is in the final amp
> or in one of the earlier stages.
>
> 73 - Rick, DJ0IP
> (Nr. Frankfurt am Main)
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Bill Acito
> Sent: Saturday, April 04, 2015 7:42 AM
> To: TenTec@contesting.com
> Subject: [TenTec] 540/Triton Transmit Audio Distortion
>
>
> My restoration project continues...
> My project 540 has great receive audio, but very distorted transmit audio,
> as if it was being overdriven. Power out into a dummy loadlooks good, but on
> another receiver I can hear the audio peaks of myvoice but the audio itself
> sounds like hash, severely distorted -- like modulated static.I find that if
> I move the mic away from my mouth 12-18 inches andspeak low the audio sounds
> acceptable on the other receiver.
> I have tried a 700 hand mic and a high z Turner 350C with no difference.
> What boards should I be looking at? the SSB generator? Finals?
> Bill W1PA
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
>
> ------------------------------
>
> Message: 8
> Date: Sat, 4 Apr 2015 10:25:37 +0200
> From: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
> To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
> Subject: Re: [TenTec] 540/Triton Transmit Audio Distortion
> Message-ID: <001f01d06eb0$ee900620$cbb01260$@de>
> Content-Type: text/plain; charset="us-ascii"
>
> Hmmm, I guess the instructions below weren't very clear.
>
> The TX driver board's output is over a piece of RG-174 coax with an RCA
> Phono plug on the end. It plugs into the input of the final amp (PA) board.
>
> The PA's output is also a coax with an RCA Phono plug and it plugs into the
> input of the LPF board.
>
> Simply unplug the PA's plug from the LPF board and tape it with electrical
> tape so that it cannot create a short circuit, then unplug the driver cable
> from the input of the PA and plug it directly into the LPF board.
>
> Just in case someone decides to use the radio like this for an extended
> period of time, you should also unsolder the thick red wire that supplies
> the PA with +13vdc (and tape it). That way it won't draw idle current when
> in TX.
>
> This actually makes a very nice QRP transceiver!
>
> However, most likely as Jim pointed out, the problem is overdriven audio.
> Does the mic gain have any effect on the output power at all?
>
> 73 - Rick, DJ0IP
> (Nr. Frankfurt am Main)
>
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Rick -
> DJ0IP / NJ0IP
> Sent: Saturday, April 04, 2015 10:11 AM
> To: 'Discussion of Ten-Tec Equipment'
> Subject: Re: [TenTec] 540/Triton Transmit Audio Distortion
>
> Bill,
>
> The 540 has an interesting feature.
> You can unplug the coax coming from the driver and plug it directly into the
> Low Pass Filter. (Of course 'after' unplugging the coax from the finals from
> the LPF board).
>
> When you do this, you have a 5w QRP radio.
>
> Try that. This will show you immediately if the trouble is in the final amp
> or in one of the earlier stages.
>
> 73 - Rick, DJ0IP
> (Nr. Frankfurt am Main)
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Bill Acito
> Sent: Saturday, April 04, 2015 7:42 AM
> To: TenTec@contesting.com
> Subject: [TenTec] 540/Triton Transmit Audio Distortion
>
>
> My restoration project continues...
> My project 540 has great receive audio, but very distorted transmit audio,
> as if it was being overdriven. Power out into a dummy loadlooks good, but on
> another receiver I can hear the audio peaks of myvoice but the audio itself
> sounds like hash, severely distorted -- like modulated static.I find that if
> I move the mic away from my mouth 12-18 inches andspeak low the audio sounds
> acceptable on the other receiver.
> I have tried a 700 hand mic and a high z Turner 350C with no difference.
> What boards should I be looking at? the SSB generator? Finals?
> Bill W1PA
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
> ------------------------------
>
> End of TenTec Digest, Vol 148, Issue 7
> **************************************
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