I also thought they were talking about automatic level control.


----- Original Message ----- 
From: "Lou Kolb" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, April 12, 2008 2:11 PM
Subject: Re: Using automatic load control


> 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
>> >>
>> >>
>> >>
>> >
>>
>
>