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In Reply to: RE: Here is another link to a similar question posted by Charles Hansen on August 07, 2009 at 19:02:15
Indeed, I cannot vouch for The Upgrade Company's CX-7e upgrade. I would much rather see a "Signature" upgrade from Ayre. Any interest, Charles?
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We design the entire unit as a complete entity. There are very few places where adding a few dollars here and there might give improved results. When we can think of something, we offer it as an upgrade such as we did in late 2004 with the "evolution" upgrade.
The only thing that springs to mind as far as upgrades that wouldn't be cost effective for us to install at the factory but that you might find worthwhile are fuse upgrades. There are five 5x20 mm fuses in the unit, one Slo-Blo for the line fuse and four internal fast=blow rail fuses. I've never listened to them, so I can't say how much they would help the sound. But that definitely falls into the category of "probably would improve the sound, but costs too much to include as standard parts from the factory".
Let us know what you think if you try it.
There is only one fuse in the CX-7e. I was thinking of the AX-7e, which *does* have five fuses.
"The only thing that springs to mind as far as upgrades that wouldn't be cost effective for us to install at the factory but that you might find worthwhile are fuse upgrades. There are five 5x20 mm fuses in the unit, one Slo-Blo for the line fuse and four internal fast=blow rail fuses."
Charles,
Are these same fuses used for the C-5xeMP? If so, are the internal fuses easy to find and change in the C-5xeMP? I haven't popped the top off mine yet to look for them. Thanks.
nt
Thanks Charles. I am fully aware of, and greatly appreciate, Ayre's proactive development of effective and affordable upgrades. My CX-7e is at the Ayre factory for the MP upgrade as we speak.
I do indeed use Isoclean fuses in my CX-7e (but only the 1A slo-blo line fuse) and in my K-1xe (also the 1A line fuse). While the stock IsoClean fuses did yield minor improvements, it was only after the fuses were treated with a proprietary process (not mine) that they really transformed the sound. I found the improvement between the untreated and treated fuses to be on par with, if not greater than, upgrading to very good power cords (which I use also).
The effect was more pronounced in the preamp, but the CX-7e also responded well to these fuses. Perhaps replacing the four rail fuses would bring further improvement, although they would have to be HiFi Tuning brand since neither IsoClean nor Furutech offer a fast blow fuse.
What "proprietary process" was used to treat your Isoclean line fuses and where did you have this done or where can you buy them already treated? Thanks.
Unfortunately, I am not at liberty to say at the moment. But I will say that it is not cryogenic treatment. I will check with the manufacturer to see if it is okay to reveal this information and get back to you.
Unfortunately, I am not at liberty to say at the moment. But I will say that it is not cryogenic treatment. I will check with the manufacturer to see if it is okay to reveal this information and get back to you.
...I bet that a cryogenic treatment would make a nice improvement. The problem is that most places charge something like $100 a pound with a one or two pound minimum. So unless you are going to set up a business, it isn't practical to have a few fuses treated....
Charles,
It is not cryogenic treatment. Please email me.
Properly oriented AC power cords, wood blocks under the cables, and regular "sweeps" of the system with the IBE disc are all helpful. A great resource is Jim Smith's book "Get Better Sound".
In my experience, the components are only 50% of the sound quality. All the rest is set-up, tweaking, cables, power cords, speaker placement and so on.
Happy listening!
nm
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All Ayre equipment built (or updated) since around 2001 will have the proper AC power cord orientation. For other brands, do a search. The process has been described many times. You will need a voltmeter. A $20 cheapie from Radio Shack will be fine.
I'm assuming that this is for non-polarized power cords mostly? Because most cords only fit into the IEC inlet one way and same for cords with 3 prong plugs.
I guess in that case you'd be checking to make sure the internal polarity matches that of the IECs orientation.
I'll add Jim's book to my wishlist
thanks charlie
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Most manufacturers don't even pay attention to this (both transformer manufacturers and audio manufacturers). And we were paying attention prior to 2001 but unfortunately misunderstood the manufacturer's color code and all of our stuff was backwards....
Anything that gets updated gets this fixed as part of the update.
BTW, love love love loving the MP upgrades!!! Now if I could just snag a nice pair of used MXRs ;)
Danielle
PS: I took Jim's book off my wish list and went ahead and ordered it. I've got lots of time to read and tinker now, might as well put it to good use!
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> > Now if I could just snag a nice pair of used MXRs ;) < <
Me too!
He said they don't have a fix but he's sending a call tag for my player so they can work on finding a fix.
Of course.. now I'll have no music at all :(
(I tried Pearl audio...but they have nothing available to loan out)
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