[JMS] WTB: Millen 90831 40W modulator

Wed, 05 Nov 2003 13:18:52 -0600 (CST)

Ralph,

Can I ask for a clarification on what you mean by power supply on those partial 
modulators.  Since these are powered via an external DC supply (AC for filaments) none 
of them really have a power supply on board.  However, they do contain one metal can 
electrolytic cap and a modulation transformer.  I think the one I bought from you was 
one of the $95 versions as mine did not have the electrolytic and modulation 
transformer.

If the above is the case guys, I'd recommend paying the extra for the $150 unit as it 
would have the modulation transformer.  The transformer was a special build for this 
transmitter and you won't find an exact replacement anywhere.  However, you could do 
what I did with mine.  I found a NOS electrolytic no problem from my junk box and I 
think they should be available elsewhere.  For the modulation transformer I used one 
from a Johnson Ranger that was currently not being used.  A special thanks is due here 
to JMS member Roger W9UVV for providing a replacement Ranger iron so I can eventually 
get that transmitter operational again.  The Ranger iron works wonderfully in the 
90831 modulator and even it's two mounting holes line up perfectly with two of the 
four original mounting holes.  No new holes!

Roger already indicated the #113 sold.  Not unexpected.  That's the last NOS modulator 
in the world!!

73

Don N9OO

On Tue, 4 Nov 2003 12:43:59 -0500, james millen company wrote:

>Yes, we might be able to help.  We have the last new one in inventory,
>serial #113 -- $450.00  (without tubes) with manual and schematic.
>
>We have  in-process (which we do not expect to complete) 6 fully populated
>chassis' except for power supply and front 19" panel, dress panel, meter
>etc. -- $95.00 with manual and schematic.
>
>We have 4 of the above with the power supply installed. --- $150.00 with
>manual and schematic.
>
>Meters, bezel, and knobs available to purchasers at reduced prices.
>
>Thank you for your interest in our venues, Unadilla Antennas, James Millen,
>or Andovers book and Collaborative.  If there is anything else in these
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>-----Original Message-----
>From: [email protected]
>[mailto:[email protected]]On Behalf Of kwylow
>zinjanthropus
>Sent: Monday, November 03, 2003 1:49 PM
>To: [email protected]
>Subject: [JMS] WTB: Millen 90831 40W modulator
>
>
>Hello:
>Looking for one of these items so I can amplitude modulate my 90800
>transmitter. Anyone have a lead? Doesn't matter what variation. Anything
>consider. Many thanks.
>
>Cal, N6KYR
>New Member to the James Millen Society.
>
>
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