[Amps] Oldie but Goodie MLA2500 questions

[Kim Elmore]

Could you fit an Ameritron plate choke in it? It's been a longtime since 
I was inside my Dad's MLA2500, so I'm not sure you have enough height to 
fit one in.

Kim N5OP



On 5/25/2016 8:54 PM, charlie carroll wrote:
> About ten years ago I acquired a 2500 that had been backfitted with a
> pair of 3CX800s.  The amp has been sitting in a shipping box since we
> returned from our last trip to J7 in 2007.
>
> I'm finishing up some refurbishing (caps, diodes, step start, etc.)
> before giving the amp to one of the locals.  This morning I noticed that
> the RF plate choke is looking a bit worn.
>
> 1. Does anyone have an original MLA2500 plate choke lurking at the
> bottom of their junk box?  The original choke is pretty small (3" tall),
> so I haven't been able to find a commercial replacement.
>
> 2. If I have to rewind the choke, does anyone have the value and/or
> design info?  All the manual says is "Choke Plate."  I've gone through
> the amps archives and done a bit of googling looking for info.
>
> thanks
>
> 73 charlie, k1xx
>
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-- 

Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP 
SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)

/"In theory there is no difference between theory and practice. But, in 
practice, there is." //– Attributed to many people; it’s so true that it 
doesn’t matter who said it./