Fred, I used a amp with 4  811 tubes in it for years and tuned it like Steve 
mentioned and never blew a tube so I think you would be good to go.  73
Ed  K7UC
----- Original Message ----- 
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, August 13, 2010 10:36 AM
Subject: Re: Tube amplifiers


> Fred,
>
> I have an Ameratron AL-811H, and have not had any difficulty tuning it.  I
> always tune into a dummy load using a TW-1 in the mode where it emits a
> tone.  I tune the plate for maximum reading, and adjust the grid to the
> point where the reading starts to decrease.  I don't know if this is
> technically the correct way to tune the amplifier, but I haven't fried
> anything, and the tubes still seem to work after several years.  I can't
> speak to other tubes, but with 811s, I'd say that you won't have any 
> trouble
> as long as you keep your wits about you.
>
> Steve
>
> ----- Original Message ----- 
> From: "Fred Adams" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, August 13, 2010 11:46
> Subject: Tube amplifiers
>
>
>> Are any of you guys using or have you used an amplifier with 811 tubes? 
>> I
>> have heard some blind hams say that amplifiers with 811 tubes are not 
>> very
>> easy to tune, what do you think?  I was thinking of getting one or a
>> single
>> 3-500 tube amplifier.  I would appreciate your comments.  I purchased a
>> new
>> Ameritron AL80B several years ago and didn't like it so I swapped it off.
>>
>>
>>
>> Best wishes,
>>
>>
>> FRED ADAMS W4HC
>> LETS ALL REMEMBER
>> VOTE IN NOVEMBER
>>