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In Reply to: RE: Need feedback on this experimental setup for cMP² posted by GStew on March 24, 2009 at 18:56:39
I leave mine on 0.566 and haven't tested others when doing these changes.
Look at switching to SSD from HDD - this should make a bigger difference in your setup. Robert also uses SSD.
Follow Ups:
cics,
Replacing the HDD with an SSD is in my upgrade plans, but my intention was to wait a bit (as the prices continue to come down) and do that after I build a custom case where I can better control vibrations and shielding between sections of the cMP.
And that's all after I have spent some time upgrading the Juli@ and installing the DAC boards I mentioned.
One question... do you know if anyone has compared the sound of a cMP with an E7200 vs an E7300? I have both available, the E7200 is currently in my cMP, and I'm wondering if it's worth swapping it out.
Greg in Mississippi
P.S. I am convinced of the benefit of eliminating the spinning drive due to an experience I've had a number of times... sometimes after I have made a change to my cMP, when I close it up, it won't sound right. Almost always, I go back inside and find that I have the HDD up against one of the internal standoffs and vibrations are getting fed back into the case. Moving it so it is on the isolation feet underneath it and not touching one of those 'non-removable' internal standoffs in the Zalman always fixes the sound.
It would be a waste to change within 'family' rather wait for next generation 35nm processor technology which would offer less power consumption.
Why don't you store HDD in 3.5" bay - just use a 2.5" to 3.5" bracket.
Ok. I was just curious as I had an E7300 processor available (it's in my ripping PC) and could change it pretty easily.
On the harddrive, I had it in the 3.5" bay with a homemade adapter that provided some vibration isolation (see attached picture). But when the drive touched the sides of the bay instead of being isolated, I noticed a SQ reduction. So I went to the setup in my picture in my previous post... the HDD is mounted to a bamboo block which sits on 4 isolators and has a damping weight on top. This works well as long as it's not pushed against the standoffs... which can happen when I am changing between the GD dirty supplies and the linear dirty supply and don't remember to check it's position.
Also, I figure anything that's not in the case won't be able to vibrate and possibly affect SQ.
Greg in Mississippi
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