Re: [Amps] Dentron MLA-2500

["Peter Frenning, OZ1PIF" <oz1pif@privat.dk>]

Al, I would take a good long look at this one: 
http://www5a.biglobe.ne.jp/~jh2clv/gu74b2mmaking.htm
A very neat and clean plate circuit design (I'm currently trying to do one 
like it) - only draw-back is that the page is in Japanese only, but lots of 
pictures.

Vy 73 de OZ1PIF, Peter

**********  OZ1PIF **************
email: oz1pif(no-spam-filler)@privat.dk
http://home24.inet.tele.dk/oz1pif/
Ph. +45 4619 3239
Snailmail:
Peter Frenning
Ternevej 23
DK-4130 Viby Sj.
Denmark
***********************************
----- Original Message ----- 
From: "Radioal" <al.dolgosh@hamradio.org>
To: <amps@contesting.com>
Sent: Sunday, January 16, 2005 3:19 PM
Subject: Re: [Amps] Dentron MLA-2500


> Let me clarify my question - I intend to pull the entire RF deck out.  I 
> don't intend to build an amp around the obsolete 8875s already there.  The 
> 8875s will be spares for my exixting homebrew 6 meter amp.
>
> The MLA-2500 cabinet and metering, with its compact heavy duty power 
> supply, makes an excellent base upon which to house and power any 
> similarly small amp design capable of a kW or so.
>
> Does anyone have any pointers toward a reasonably efficient RF deck design 
> for 2 meters that would fit in the space left (approx 8" x 14" x 5" high)? 
> Triodes are not a must - a simple screen supply is an easy fit to handle 
> tetrodes.  There is already a wealth of information available on modifying 
> the MLA-2500 in this manner for HF - i.e.; screen supplies, cooling 
> modifications, etc.  I also expect to replace the open RF relay with 
> coaxial relays.
>
> I just didn't want to reinvent the wheel if someone already has some 2 
> meter amp plans available that could be recommended for such a 
> "conversion".
>
> Hope this clarifies what I want to do.
>
> Thanks again,
>
> Al - K8EUR
>
> ----- Original Message ----- 
> From: "Radioal" <al.dolgosh@hamradio.org>
> To: <amps@contesting.com>
> Sent: Saturday, January 15, 2005 10:56 PM
> Subject: [Amps] Dentron MLA-2500
>
>
> > I just acquired an excellent MLA-2500.  While I will probably run it on 
> > the HF bands for a while, I am interested in pulling the entire RF deck 
> > and replacing it with something that will give me a kW or so on 2 meters.
> >
> > I need some practical suggestions for such a 2 meter RF deck that will 
> > fit the available space.  Has anyone on the reflector done such a 
> > conversion - or can you direct me to someone who has?
> >
> > Thanks,
> >
> > Al - K8EUR
> >
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>
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