Tweakers' Asylum

Posted by TonyA (A) on February 17, 2008 at 16:02:57

In Reply to: RE: <strong>REVIEW: HiFi-Tuning Fuse Accessory</strong> posted by oofer on February 16, 2008 at 15:59:16

I replaced the 1-7A and 2-5A glass fuses in my HCA-2 with fast blow Littelfuse ceramic fuses from DigiKey after applying Caig ProGold to them. Resolution, air, bass impact and realism improved noticeably. My wife noticed it right away.

I'm not suggesting that the improvement with plain ceramics is of the magnitude of the Hi-Fi tuning fuses, but merely sharing my findings on tweaks learned in this forum.

On the power supply of my tuners I have used glass fuses with leads (pig tails) based on past input from John Curl and the late Bob Crump. That made a good improvement also.

Regards.

• Most changes result in change, plus or minus - oofer 18:43:29 02/18/08 (0)
  In Reply to: RE: (strong)REVIEW: HiFi-Tuning Fuse Accessory(/strong) posted by TonyA on February 17, 2008 at 16:02:57

  I have had a real go around with silver, ofc copper, up-occ copper, silver plated copper, the whole panoply.
  
  And I have tuned my system with some of each. But I find my equipment and my ears have a soft spot for silver. Not everywhere mind you, but it shows up in critical places and works. UP-OCC copper also. For instance, my speaker leads are OOC copper in a litz weave I made myself (each wire is 18 AWG with the final leg being 12 AWG. My pre to amp IC is a balanced ChrisVH diy silver as is my SACD to pre, though single ended.
  
  My outrigger DAC (CIA) for my Squeezebox uses a UP_OCC Harmonic Tech IC.
  
  Each time I experiment, there have been changes. Failures include using OCC wire (18awg, again) in a balanced recipe going from pre to amp. Ugh. And there have been many others. It has been a constant trial and error thing for sometime. Calming down now, though, as the sound is to my liking.
  
  The fuse change just surprised me more than I expected. I am glad so many people have tried different arrangements successfully. Makes the hobby rewarding to see all the opportunities for discovery.
  
  

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