LOL !! Yep, we were too busy growing our hair and wearing bellbottoms
to worry
about IMD. Most receivers intercept points weren't good enough to
distinguish between a clean amp and a dirty one anyway.
As I said, I would build it differently today.
Don W4DNR
Quoting Carl <km1h@jeremy.mv.com>:
> I mean today Don, very few gave much thought to IMD in the 70's.
>
> It should be possible to get at least mid -30's with a quad of well
> matched GG 4CX250's with attention to detail. Even better with the
> premium versions.
>
> Carl
>
>
> ----- Original Message ----- From: <donroden@hiwaay.net>
> To: "Carl" <km1h@jeremy.mv.com>
> Cc: <amps@contesting.com>
> Sent: Saturday, August 18, 2012 8:11 PM
> Subject: Re: [Amps] Schematics  for 4CX250B GG HF amplifier
>
>
>> Quoting Carl <km1h@jeremy.mv.com>:
>>> Id love to see an IMD plot.
>>>> Carl
>>> KM1H
>>
>>
>> It was the seventies Carl.........
>> We were so poor that we couldn't afford IMD.
>>
>> Don W4DNR
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 10.0.1424 / Virus Database: 2437/5209 - Release Date: 08/19/12
>>
>
>
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|