I had a 551D for a long time and never heard any complaints. It looked pretty
good on the SA also, I may have the plots around somewhere. I ran it barefoot,
and at very reduced power into a MRF151G homebrew and it was fine. Maybe a
lemon you had?
George
K0IW
On Feb 10, 2010, at 9:21 AM, Carl wrote:
> The 551 or D also has just about the worst phase noise of any rig built.
> With strong signals it can wipe out many kHz and with an amp a lot more.
>
> I had one for a short time and didnt make any friends!
>
> Carl
> KM1H
>
>
>
>
> ----- Original Message -----
> From: <Gudguyham@aol.com>
> To: <amps@contesting.com>
> Sent: Wednesday, February 10, 2010 9:36 AM
> Subject: [Amps] Icom 551 with amplifier
>
>
>> The Icom 551(D) transceiver believe it or not does NOT have a "ground on
>> transmit" feature for amplifier use. It does however have an 8 vdc @ 2ma
>> output on transmit which is used in turn with an outbord transistor to
>> power
>> the amplifier TR switch. I am wondering if anyone knows where to get the
>> 24 pin molex plug that mates with the 24 pin acc plug (female) at the rear
>> of that radio. If anyone has one or knows the part # or how to find the
>> part#, PLEASE....let me know. Thanks Lou
>> _______________________________________________
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>> http://lists.contesting.com/mailman/listinfo/amps
>
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