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preamp-how important is separate enclosure for pwr supply?

High end preamps tend to house power supply in a separate enclosure.  McIntosh proclaims they do it well by insulating pwr supply within same cab as everything else.  
How meaningful is this to do?  Like idea as maybe this allows better pwr supply mgmt with all the extra space to work with.  Sooo much attention on power supply.
emergingsoul

Showing 1 response by emergingsoul

emergingsoul OP
1,258 posts
 
Pragmasi,
thanks. Beyond noise I thought the designers may take on current issues.   
Although noise floor measureability seems to be the clear way to judge and if there is no measurable interference then a separate box don’t seem to make sense and preferable to reduce taking up valuable space.
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