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PS Audio Delta 100

I have a PS Audio Delta 100 powering my Magnepan 1.4s. Looking into the construction of the amplifier by displaying Google Images, I find most Delta 100’s have different architecture than mine. I wonder how many versions are there? What was the company trying to accomplish by so many redesigns? The only online image of a Delta 100 that matches mine was found on a South Korean used hi-fi market site. 

https://photos.app.goo.gl/SsBZ9sQZgRm7vTrj7
ballyroebuck
hifiman5's avatar
hifiman5
1,832 posts
 
You could go on to PS Audio's website and go to "Ask Paul".  Ask Paul McGowan directly.  I feel sure he will answer your question.
vactubesjm's avatar
vactubesjm
4 posts
 
I'm considering getting a Delta 100 to power my SMGa's. You have Maggie's. How the depth/sound stage with your PS AUDIO?
Thanks
mrdecibel
3,063 posts
 
Based on how many amplifiers ( and not just amplifiers ) I have owned in my lifetime, it is not uncommon to find different components ( capacitors, transformers, etc. ) to be exact, without a model change to the product, from companies such as P.S.Audio. Many companies are constantly looking to better a current design / product, or even trying to make it more cost effective without raising it's msrp. IME
timlub
2,039 posts
 
I sold these amplifiers way back when.  I had 2 different versions,  1 had the filter caps next on either side of the transformer and the other had the filter caps mounted on the boards. The boards on both were on the bottom of the chassis with the outputs attached to the heat sinks.  This photo looks like the boards are mounted on the rear heat sink.  Haven't seen this one. 
But they were decent sounding amps,  but I can tell you that the Delta 200 smokes the 100 and the 250 mono blocks are a bit better than the stereo 200
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