[Elecraft] AF-1 audio filter

[Hisashi T Fujinaka]

I wasn't paying enough attention lately. Does anyone have a comparison
of the audio filter in the AF-1 vs the one in the KAF2? I've wanted a
low pass filter for a while, and after seeing a youtube video of the
AF-1 I think that's what I'm looking for.

On Wed, 1 Dec 2010, Ron D'Eau Claire wrote:

> Very nice execution Larry!
>
> I don't use an outboard audio amp with my AF1. The built-in LM386 amp in the
> AF1 drives a pair of outboard speakers for me with good volume. Do you have
> an unusually noisy environment?
>
> 73,
>
> Ron AC7AC
>
>
> -----Original Message-----
>
> Hi,
>
> With all the chatter about the AF-1 audio filter lately I thought i
> would post how I mounted the AF1 and an audio amplifier in a small
> case to use with my K2. If anyone is interested you can find the
> pictures and comments on my web site at lawrenceingram.com. Click on
> the Ham Radio tab and then select the AF-1 article.
>
> 73,
>
> Larry Ingram AG4NN

-- 
Hisashi T Fujinaka - htodd at twofifty.com
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte