I thought the TW-1 goes between the amp and the tuner.
Here's how I have it set up.
Radio into amp, amp into TW-1, Tw-1 into tuner, tuner into antenna.
Please let me know if this is wrong.
Thanks, and 7 3.
----- Original Message -----
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, October 20, 2009 5:13 PM
Subject: Re: Amplifiers and SWR.
> Rick,
>
> Actually, your TW-1 should go between the output of the amplifier and the
> antenna so you can see how much power your amp is putting out. When your
> amp isn't being used, the meter will measure the output power of the
> radio.
>
> Steve
>
> ----- Original Message -----
> From: "Rick" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, October 20, 2009 12:46
> Subject: Re: Amplifiers and SWR.
>
>
>> Hi John.
>> The TW-1 is between the amp and the tuner.
>> The radio is A Kenwood TS-430S, and the amp is A Heathkit SB-220.
>> I have the original manual to the amp, and according to the notes the guy
>> that built it, the amp was put on the air on May 5th 1976.
>> I have a Kenwood AT-250 auto tuner I can put between the radio and amp if
>> you think that would help.\Thanks again for your help, and 7 3.
>> ----- Original Message -----
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, October 20, 2009 12:32 PM
>> Subject: Re: Amplifiers and SWR.
>>
>>
>>> The amp should have no effect on swr, where is your TW1 in line? I'm
>>> wondering if something's off inside the amp and maybe the input
>>> impedance
>>> is
>>> off, if the radio has an auto tuner, you can use that for a quick fix
>>> for
>>> that, but will want to fix it right eventually. I've heard of that
>>> happening
>>> with older amps.
>>> ----- Original Message -----
>>> From: "Rick" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Tuesday, October 20, 2009 12:24 PM
>>> Subject: Amplifiers and SWR.
>>>
>>>
>>>> Hi list.
>>>> Using my TW-1 and MFJ versa tuner, I set my SWR as low as I can get it.
>>>> Say 1.01 to 1 on 20 meters. Then I tune the amp.
>>>> After tuning the amp I check my SWR again, and it's up to say 2.4 to 1.
>>>> Is this normal, and should I readjust the SWR again with the amp on?
>>>> Thanks in advance, and 7 3.
>>
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