[Amps] Ameritron AL-572B

[Peter Frenning, OZ1PIF]

I'm partial against the 572b tube, had some very bad luck with two sets of
Svetlana's. I finally converted my old FL2000B to use a single QB4/1100
instead. Although a tetrode, I run it as a triode with screen and grid tied
together, acting almost identical to the 3-500Z, the result is a much more
tractable and stable amplifier, with better output on the higher bands.
I find the 572b a very expensive, tricky and fragile tube, and recommend
against it. Your mileage may vary..

Vy 73 de OZ1PIF, Peter

**********  OZ1PIF **************
email: oz1pif(no-spam-filler)@get2net.dk
http://hjem.get2net.dk/oz1pif
Ph. +45 4619 3239
Snailmail:
Peter Frenning
Ternevej 23
DK-4130 Viby Sj.
Denmark
***********************************
----- Original Message -----
From: <jsb at digistar.com>
To: <amps at contesting.com>
Sent: Monday, October 20, 2003 6:22 PM
Subject: [Amps] Ameritron AL-572B


>
> I'm on the trail of getting an Ameritron AL-572B - new, from the
> HamStation.
>
>
> Just wondering if anyone had any recommendations against getting this amp.
> I have thought about the 3-500Z AL-80B but haven't found a better reason
> to get the AL-80B instead.
>
>
> The AL-572B meets the price point i'm wanting - 1300 watts for a dollar a
> watt.
>
> But i'm very open to suggestions and opinions about the 3-500Z and
> 3CX800A7 products they sell.  I'd like to keep the pricetag under $1300
> though.
>
>
>
> regards,
> Jason
>
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