[Amps] Advice

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Wed, 02 Dec 2009 22:13:02 -0500, Roger <sub1 at rogerhalstead.com> wrote:

>Tubes should always be used as a pair, 
>except for 813's and 572's and then you use 4 of them.  

REPLY:

First time I've ever heard "tubes should be used as a pair". I have heard the
opposite: "If you need more power, don't use two tubes, get a bigger tube". 

Care to elaborate?

73, Bill W6WRT