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In Reply to: RE: This is my experience also. nt posted by Norm on February 17, 2008 at 08:05:36
...tried the AHP fuses. Any idea how they compare to the IsoClean?
These are available in Europe for about $15.00 U.S. Also they are available from PS Audio for about twice that price.
See:
- http://cgi.ebay.de/ahp-Feinsicherungen-vergoldet-5x20mm_W0QQitemZ360024222470QQihZ023QQcategoryZ141226QQssPageNameZWDVWQQrdZ1QQcmdZViewItem (Open in New Window)
Both HiFi-Tuning and AHP fuses are employed in my system. Initially, went with the HiFi-Tuning fuses, tried AHP and eventually replaced most but not all HiFi-Tuning with AHP fuses. Own experience is of one manufacture being preferred to other with certain equipment. For example, after installing silver interconnect and a HiFi-Tuning fuse on an Audio Note DAC2.1x Balanced, my wife, unaware of these changes, voiced her dissatisfaction with the sound of reproduction, claiming presentation of recording detail at the expense of ‘musical message’; replacing the silver interconnect with Living Voice copper interconnect elicted approval from her, but only with the substition by a AHP fuse did she ‘give the nod’. Reconsideration of own, earlier judgement, in the light of her comment, confirmed her assessment, which may be, hopefully not glibly, summarized as “less hif-fi and more like music”.
‘Traege’ apropos fuses, in German, means slow blow, abbreviated on the fuse cap to ‘T’. The German for fast blow is ‘flink’, hence, the ‘F’ on the fuse cap.
Nice write up. I have the AHP fuses, however they are in the main circuit breaker along with the "Klang Module". http://www.audiophiles-hifi.de/contents/de/toc.html?lmd=39470.961806
The AHP and Hi-Fi tuning fuses are in direct competition with each other in Germany. I have not tried the Hi-Fi ones because the dealer could only get the AHP's, but either way, these types of fuses do alter the sound and swapping either copper or silver fuses is like changing silver or copper interconnects.
This is probably the cheapest tweak anyone can do for the money and it is noticeable.
Ciao
Audioquest4life
a
Something of that issue, surely, may well be manifest in the situation described, and in the preferences expressed at the time and operative at home today, but I would not be inclined to say the situation was that ‘conundrum’ alone. Not all occasions of substituting the AHP fuse for a HiFi-Tuning fuse have been preferred, but the majority of substitutions have resulted in the use of the AHP in preference. Pure silver wire, that is, not silver-plated copper wire, has not been comprehensively removed from the system, though the instances of use are few, with but the digital interconnect, Audio Note AN-Vx, alone ‘surviving’ among the interconnects. Someone has suggested to me that the AN-Vx on digital duty, between transport and DAC, will be improved by using a comparably priced copper digital interconnect. That may or may not prove so to us. Simple prescriptions have not worked for us. And, there is a pitfall of spending too much time testing the prescriptions, the exceptions, the permutations, etc. When I have erred in this regard, a line has been thrown and a most valuable perspective offered.
They do look like slow blow and unlike the IsoCleans. I think, once again, that slow blow is merely to withstand turnon surge.
.
a
... I don't read German. Are they available in both fast and slow blow?
copy and paste the german at www.itools.com and it will provide something like a translation. The translation is sometimes good and sometimes terrible, but it might help.
Larry
Sherod,
I didn't find an English ad. But google translates träge as "sluggish" so I am guessing just slow blow?
PS Audio doesn't mention fast vs. slow either:
http://www.psaudio.com/products/criticallink.asp
Here is the google translation of the ebay page:
- http://translate.google.com/translate?u=http%3A%2F%2Fcgi.ebay.de%2Fahp-Feinsicherungen-vergoldet-5x20mm_W0QQitemZ360024222470QQihZ023QQcategoryZ141226QQssPageNameZWDVWQQrdZ1QQcmdZViewItem&langpair=de%7Cen&hl=en&ie=UTF-8 (Open in New Window)
... as I understand it, all the Isoclean fuses are slow blow as well. The Hifi-Tuning fuses have both fast and slow. Interesting how the AHP cap ends are pure copper. I would imagine that it might have a "warmer" nature to its sound, in general.
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