[Premium-Rx] Harris 110A 1 kwatt rf Amplifier cooling

[Berndt Josef Wulf]

G'day

found this picture showing a RF-110A with a Harris (?) muffler installed.

http://www.pa3fun.nl/index.php/ham-radio/big-transmitters/harris-rf-130

I'm sure I had details of this, but have lost it since. I would be interested 
in any close up photos of this muffler.

BTW: Does anyone have a source for sound deadening foam?

73, Berndt
VK5ABN

On 15/02/11 Berndt Josef Wulf wrote:
> G'day Blair,
> 
> People have tried that and ended up with the driver tubes overheating and 
> failing. Its not just the amount of air, but also the way it flows through 
the 
> chambers.
> 
> Like you, I keep my equipment as original as possible and after doing a lot 
of 
> research decided not to attempt any of the elaborate modifications and 
instead 
> use a piece of foam to reduce the noise of my "Air Raid Siren".
> 
> 73, Berndt
> VK5ABN