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23rd October 2006, 08:31 PM
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#1 |
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diyAudio Member
Join Date: Jul 2003
Location: Sellersville, Pa
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Merlin VSM-m inductor change
I opened up my Merlin VSM-M and found Hovland laminated inductors. The woofer has a 2.25mh and I would like to know if this is worth upgrading to North Creek Music air core 12GA 2.25mh inductor?
The tweeter has one also, but smaller value and in parallel with the tweeter. All caps are Hovland too. Any opinions? |
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24th October 2006, 12:05 PM
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#3 |
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diyAudio Moderator
Join Date: Apr 2002
Location: Chatham, England
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Before you look at replacing any inductor you need to match DC resistance as well as inductance.
__________________
Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort |
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24th October 2006, 12:28 PM
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#4 |
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diyAudio Member
Join Date: Jul 2003
Location: Sellersville, Pa
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I was hoping to reduce the coil resistance slightly. The Merlins are tilted slightly toward the tweeter. The coils used are 16ga laminated made by Hovland. I don't knowthe DC resistance of the Hovlands. 14 ga air coils are .33ohms and 12ga. are about .24ohms.
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24th October 2006, 12:59 PM
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#5 |
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diyAudio Member
Join Date: Jul 2003
Location: Sellersville, Pa
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Well, reducing coil resistance maybe a mute point. From what I can find, the Hovland 16ga. laminated coils have a DC resistance of appoximatly .25ohms. A 12ga. North Creek air coil will have a DC resistance of about the same (.25ohms). My question is will the 12ga. air coil sound better then the Hovland laminated coil, or am I wasting my time?
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