You're right.  I wonder if he's seeing a high SWR regardless of what power 
he's running.

Steve

----- Original Message ----- 
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, October 20, 2009 17:31
Subject: Re: Amplifiers and SWR.


> There is one in that amp I'm pretty sure, I know the SB-200 has a matching
> network so I'd think the 220 would as well. You sometimes see a little swr
> change with power but there's no way it should be as drastic as he's 
> seeing.
> ----- Original Message ----- 
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, October 20, 2009 5:09 PM
> Subject: Re: Amplifiers and SWR.
>
>
>> Rick,
>>
>> You may have some sort of matching network on the input side of your
>> amplifier, and if it has changed, you should probably adjust it.  I
>> wouldn't
>> try to correct this with the auto tuner in your radio.
>>
>> Steve
>>
>> ----- Original Message ----- 
>> From: "Rick" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, October 20, 2009 12:24
>> 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.
>>>
>