[Amps] 2 kW amp project

[Bill Turner]

At 09:54 AM 11/20/2005, wc6w at juno.com wrote:

>Hi Bill,
>   Item #1 is easy.  Get a surplus 48V switching power supply from 
> the telecom world.
>
>   My best suggestion for #2 is a dual pi-net.  50 ohms to 500-1000 
> ohms back to 25-100 ohms.   This provides both matching & harmonic 
> suppression.   Two switched coils, 3 (small) vac. variables, plus 
> some ceramic padders for 80 & 160.   Physically about 6" x 7" x 12" 
> including motor drives for the caps & 10 position bandswitch.
>
>73 & Good morning,
>   Marv WC6W

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Sounds good. I almost wish I hadn't started the 8877 project but it's 
too far along to stop now. :-)

Where does one find the surplus telecom supplies? Can you suggest a 
manufacturer of new ones?

73, Bill W6WRT