[Kenwood] ALC with Kenwood TS-830S

[Clif Holland]

Only in CW, doesn't affect SSB. Just remember that whatever attenuator 
you use, unless wired into the amp, will also affect the RX.

Clif Holland KA5IPF
www.avvid.com

On 3/29/2021 6:02 PM, Renee K6FSB wrote:
> silly Question-
> does the rig have a carrier level control around the outside of the 
> mic control?   IIRC you can turn the output down to minimum....I could 
> be wrong.....
> Renée
>
> On 3/29/21 12:49 PM, Rick Bates, NK7I wrote:
>> I'll state what should be obvious... make SURE the attenuator pad in 
>> the transmit path, switched out while receiving (DOH!).  There likely 
>> is/was a pad already in place within the amp (unless modified for 
>> non-ham use).  Perhaps it is bypassed?
>>
>> In the interim, grossly under driving audio would have similar 
>> effects, but for CW you'll need a pad.  Unless the rig has a drive 
>> level control (I haven't played with an 830) for power out control.
>>
>> Yes, the attenuator would stop the oops factor.
>>
>> 73,
>> Rick NK7I
>>
>> On 3/29/2021 12:07 PM, Steve H wrote:
>>> Rick
>>>
>>> I guess I need an attenuator then. It would have to be able to take 
>>> 100W
>>> and bring it down to 5-10w for the hf bands.
>>>
>>> -- 
>>> Steve Hearns
>>> KA2PTE
>>>
>>> ----- Original Message ----- From: "Rick NK7I" <rick.nk7i at gmail.com>
>>> To: <kenwood at mailman.qth.net>
>>> Sent: Monday, March 29, 2021 2:32 PM
>>> Subject: Re: [Kenwood] ALC with Kenwood TS-830S
>>>
>>>
>>>> Steve,
>>>>
>>>> I haven't done this. Traditional wisdom is to NOT use the ALC to 
>>>> limit the amp, that causes issues like flat topping and distortion 
>>>> of the audio.
>>>>
>>>> If you're using an audio mode, try providing less audio (less 
>>>> drive). Or put an attenuator pad on the amp input so it requires 
>>>> more drive (which must be able to safely dissipate that power).
>>>>
>>>> 73,
>>>> Rick NK7I
>>>>
>>>>
>>>> On 3/29/2021 11:23 AM, Steve H wrote:
>>>>>
>>>>> Trying out this alternative to using an attenuator
>>>>> with my 830S and an older linear that only needs 5-10W to excite.
>>>>>
>>>>> Was told to get pin 6 on the remote connector din and get a 9v 
>>>>> battery with
>>>>> a 225k potentiometer on it and feed the wiper as per the attached
>>>>> illustration.
>>>>>
>>>>> Thats seems to be for the 520/820s now that I notice. Turns out 
>>>>> all the
>>>>> hybrids use pin 6 for the alc, but I notice they are putting the 
>>>>> gnd into
>>>>> pin 4 on this diagram.
>>>>>
>>>>> https://www.mediafire.com/view/5sf9ovlmvhvkqjv/alc.jpg/file
>>>>>
>>>>>
>>>>> I had tried this but used the chassis ground and pin 6
>>>>> thinking that would work, but it does not have any effect. Pin 4 
>>>>> on the 830
>>>>> is to the NO contact of the control relay, so I dont think this 
>>>>> will work.
>>>>>
>>>>> Has anyone used the ALC on their 830 to limit input to their linear?
>>>>>
>>>>>
>>>>>
>>>>> Steve
>>>>> KA2PTE
>>>>>
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