I've used an amp with 811 tubes with no problem. My recommendation though is 
swap the 811 tubes with 572B's which run cooler but I can't complain about 
them I don't know why they'd be any harder or easier than anything else.
----- Original Message ----- 
From: "Fred Adams" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, August 13, 2010 11:46 AM
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