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  #121  
Old 05-27-2013, 10:26 AM
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Beowulf62 Beowulf62 is offline
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Quote:
Originally Posted by musicman59 View Post
I have a McIntosh C2300 preamp. I changed the external fuse to an equivalent HiFiTuning Supreme. Yesterday I open the unit and discovered another fuse that is Small 125mA Slow Blow. HiFiTuning does not have a 125mA fuse. They just have 100mA or 160mA.
Is it safe to order the 100mA? Do you think it will not blow?

Thanks.
Others have tried replacing the internal fuses, and not noticed much effect...YMMV.
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  #122  
Old 05-27-2013, 06:08 PM
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W9TR W9TR is offline
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Default Do no harm!
The 125mA fuse on the C2300 main PCB protects the high voltage power supply in case of a catastrophic tube failure. Without actually measuring the current flowing through it, or checking with the manufacturer, you'd be gambling against the designer that chose that fuse size to begin with. A smaller fuse will do no harm, so if you're feeling lucky, go for it.
It will be interesting to see if you can hear a difference after replacing it.
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