[Fwd: LF: LF Power Amp Devices]

[Andre Kesteloot]

G0MRF wrote:

> Anyone considering building an amplifier for either of the LF bands may like
> to contact KEYTRONICS for the PA devices.
>
> Their current price list shows the IRFP450 available for £2.20 each.
>
> HB9ASB has used two similar devices to sucessfully generate 300 Watts at
> 136kHz
>
> Four IRFP450's used in place of the 2SK413s in the amplifier described in Feb
> Rad Com / 2nd edition LF Source book, would produce around 500 Watts with a
> 40V supply.
>
> http://btinternet.com/keytronics
>
> 73.   David Bowman G0MRF