You have it right Rick. 73
Ed K7UC
----- Original Message -----
From: "Rick" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 21, 2009 6:25 AM
Subject: Re: Amplifiers and SWR.
>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.
>>>
|