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Date: | Sat, 12 Apr 2008 14:11:56 -0400 |
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Just for the sake of clarity, are we talking about automatic level control
here or is it actually automatic level when used with amps? Lou
----- Original Message -----
From: "Fred Adams" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, April 12, 2008 11:30 AM
Subject: Re: Using automatic load control
> Steve, thanks much for the the good info that you have just given to me.
In
> the past I have always used the radio drive power but I have wondered
about
> the ALC and how to adjust it. I have an old Alpha 78 that I run in the no
> tune position so all I have to do is make sure my standing wave is OK and
> set my radio drive power. I usually run barefooted anymore but sometimes
I
> use the amplifier. Seventythree,
> ----- Original Message -----
> From: "Steve Forst" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Saturday, April 12, 2008 8:48 AM
> Subject: Re: [BLIND-HAMS] Using automatic load control
>
>
> > Fred,
> >
> > I'm new to the amp game. As Steve and John both said, ALC will prevent
> > overdriving but may not be needed if the input is set properly. My
amp's
> > manual bears this out as it says that ALC may not be needed if drive
> > power and mic gain are set properly at the transceiver.
> >
> > You asked how ALC adjustments are made. Again, according to the THP
> > manual: With the proper ALC connections made between rig and amp, and
the
> > rig set properly, transmit full output power from the amp into a dummy
> > load. Slowly turn the ALC adjustment knob on the amp until output power
> > just starts to drop off. Stop at that point or continue turning the
knob
> > to further limit output power.
> >
> > 73, Steve KW3A
> >
> >
> >
> > ----- Original Message -----
> > From: "Fred Adams" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Friday, April 11, 2008 5:04 PM
> > Subject: Using automatic load control
> >
> >
> >> Do any of you guys that run amplifiers use the ALC and if so how do
you
> >> make ALC adjustments? I have never used the ALC as I didn't know how to
> >> make
> >> the adjustments. I would appreciate any info. on this.
> >>
> >> Best wishes,
> >>
> >>
> >> FRED ADAMS W4HC
> >> FIGHT TRUTH DECAY
> >>
> >>
> >>
> >
>
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