----- Original Message -----
From: "John- W4DJ" <w4dj@hotmail.com>
To: <amps@contesting.com>
Sent: Tuesday, September 27, 2005 11:09 AM
Subject: Re: [Amps] Suggestions for new Alpha Owner?
> DO NOT use those Alpha Amps outlined at the bottom of this page on 24MHZ.
> I have seen first hand the damage it can do and have repaired damage from
> just that situation.
> 73s de John W4DJ
>
I strongly agree, John. I measured the choke impedance of the
Alpha 78 with the choke installed in the amplifier and it definitely
has a series resonance around 25 MHz. Load up on 12 meters
at your own risk :):)
Mike, W4EF..........................
>>From: "Kenneth D. Grimm, K4XL" <kgrimm@adelphia.net>
>>To: "R.Measures" <r@somis.org>
>> >The lowest resonance in the 50uH HV RFC is c. 43MHz.
>> >
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