512 watt LF amplifier

[Andre' Kesteloot]

G0MRF@aol.com wrote:

> [...]
>
> Finally,  I've been testing my 4 x FET amplifier with increased supply
> Voltage.  The linear amp is the one published in the LF sourcebook  /
> Technical topics / Break-in. Originally designed for 250W using 2SK413 FETs,
> I've changed the FETs to IRFP450s and increased the supply from 28 to 48Volts.
> The test on Friday at 400W went well, and in  further tests on Saturday, the
> amp was sitting on the bench producing an output measured at 512 Watts. -
> [...]
>
> I'm currently collecting components for the amplifier circuit and will be
> making a full kit of parts available for it after Christmas.
>
> David    G0MRF   -  IO91TK.