[AMRadio] Source Broadcast Xmtrs

[Dennis Gilliam]

Indeed, and CRL was made just down the street from the station I retired
from.  They made a great limiter for AM, and never forget the DAP-310 from
KO6NM, either.

73DG

On Mon, Jun 13, 2011 at 12:39 PM, W2XJ <w2xj at nyc.rr.com> wrote:

> Good low frequency response is important if broadcast style processing
> is used. The major name processors from the 80s and on used LF
> compensation to adjust tilt on clipped peaks and increased to amount of
> usable modulation. Those equalizers were designed to match the typical
> plate mod transmitters around at the time which went down to somewhere
> between 30 and 50 hertz. A 300 hertz cut off is far from adequate when a
> good processor is used before the transmitters.  If you want a screaming
> processor, try to find a CRL MBL-1.
>
> On 6/13/11 2:47 PM, Dennis Gilliam wrote:
> > I suppose it all boils down to what you want it to sound like, and the
> > 'wick' behind it.
> >
> > Telephone audio is 300-3000 HZ more or less, done that way to get through
> > without any frills.
> >
> > Lots of military and ham rigs use that paradigm so as not to use too much
> > (pick one or more) weight, power, bandwidth eTc.
> >
> > It gets the job done.  So does riding a bus vs driving a nice car.
> >
> > BC audio is 50 to 10K or more usually, and needs a healthy carrier behind
> it
> > to get through.
> >
> > Run what you brung, conditions and the other guys' RX will set the scale
> > anyway.
> >
> > 73DG
> >
> >
> >
> > On Mon, Jun 13, 2011 at 11:37 AM, Ron Youvan<ka4inm at tampabay.rr.com>
>  wrote:
> >
> >> rbethman wrote:
> >>
> >>> The frequency response is MORE than adequate for the human voice.
> >>> The audio input transformer is rated from 400cps to 3500cps.
> >>    That depends on whether the audio is limited to 400cps to 3500cps or
> >> flat from 400cps to 3500cps.
> >>
> >>    As much as anything else the voice sound is controlled by the
> microphone.
> >> --
> >>     Ron  KA4INM -   Every HAM should have at least one desk MIC,
> >>                     it's the perfect place to hang the cans when
> >>                     CW is "arm chair copy."
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