[ARC5] [Milsurplus] I Must Have Lost My Mind...Behlman supplies

Michael Hanz aaf-radio-1 at aafradio.org
Mon Aug 12 17:19:00 EDT 2019


I have used a couple of the later solid state Behlman lab supplies in 
the shack for years.  They're apparently considered the Cadillac of lab 
AC supplies, though there are certainly worthy competitors like the 
Elgars that Peter mentioned earlier.  And yes...they are *heavy*... but 
quiet.  If you are patient, you can usually find one that needs some 
work on ebay for a lower price.  The latest ACM models are way too 
pricey for my budget, even used, but the older ones with analog meters 
usually hang around on the auction site for a while and the seller may 
be receptive to an offer.

At 500kva, a 50-C will satisfy most 400Hz needs.  The 100-C model below 
puts out a kilowatt of clean sine wave power - less than 0.5% 
distortion.  The frequency/voltage plug-in units run the gamut of stable 
single frequencies, but there are two variable frequency oscillators 
that offer 45-2000Hz ranges, like the one below that I sometimes use in 
the 100-C for 800Hz equipment.

-Mike  KC4TOS

On 8/12/2019 2:31 PM, revcom at wbsnet.org wrote:
> When I worked for an area Generation/Transmission power company we used
> a -Behlman-Ivar- variable power supply.

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