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Multi-Way Conventional loudspeakers with crossovers |
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#31 |
diyAudio Moderator
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#32 |
Account disabled at member's request
Join Date: Dec 2019
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Qt would be affected, the response would change due to this. I am talking about noticeable differences in resolution, detail, etc.; not just bass improvements but the entire bandwidth. Again, This may not be measurable with any home based method.
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#33 |
diyAudio Member
Join Date: Nov 2012
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thank you oldspkrguy, have you compared to a well constructed laminated core inductor for even lower series resistance?
i am sure you know how fooled one can be by comparing parts or drivers at different sound levels and therefor it is vital that output levels are matched. i have made that mistake many times and made very wrong conclusions |
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#34 |
Account disabled at member's request
Join Date: Dec 2019
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Celef, I used well made clip leads so I can very quickly do an A/B comparison. For values under 1 mH, I don't think that many cored type inductors are available so I have never compared those for mid or mid bass use. I use Jantzen P-Core or C-Coil (toroid) for higher inductance values (for woofers, etc) when I need the lowest DCR. The P-Core has some values that use 13 AWG wire, the C-Coil has 14 AWG wire. So, when I am doing an A/B comparison between two inductors, I keep them well separated physically so they don't have any mutual inductive interference; I take the clip lead and touch the inductor lead of one coil then the next, back and forth on very familiar, high quality recordings. Then I clip the inductor of choice on for longer critical listening tests. Finally, I used wire twist on connectors (like the type electricians use for house wiring) for final testing. Once I am satisfied; I solder everything up. Hope this helps.
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#35 |
Account disabled at member's request
Join Date: Dec 2019
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I tried the 13PFC fullrange on day one to get an idea of where I might like to try X/O. Right now, I have a calculated 1st order HP of -3 dB at about 135 Hz. I am basing this on 7 Ohms according to the impedance curve. It takes away the lower bass octaves so the excursion isn't as bad. I have a small inductor on the high end for LP; this just takes off the very top end just enough to smooth out the peaking seen on the OEM FR plot. I think you could cross this little guy almost anywhere depending on your max SPL and power requirements; even running full range; it does quite well considering what we are working with here.
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#36 |
Account disabled at member's request
Join Date: Dec 2019
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13PFC breaking in nicely; if you want an inexpensive 5 inch mid-bass; this just might be the best choice out there. The resolution and detail are improving quite a bit actually, much to my surprise; this thing sounds much more expensive than it's budget price for sure! It's never going to equal a Satori but we wouldn't really expect to; it has equal or better resolution and detail to my ears anyway than the 6 inch CAC I had and sold.
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#37 |
diyAudio Member
Join Date: Nov 2012
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#38 |
Account disabled at member's request
Join Date: Dec 2019
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I have the newer version with the round basket. It is SB13PFCR25-8. It seems to have a smoother top end than the original version with the odd shaped frame. I got these for about $23 US each and some nice silk dome Vifa tweeters on sale at $24 US each.
DX25BG60-04 - Tymphany These make a good match with each other. I would say any design with these SB13PFC is probably quite popular because of the high performance to cost ratio. Back to Satori; does anyone have the MR13 Papyrus mids in use in a current design? What I have compared is that the MR16 has a flatter overall FR than the MR13. I would be curious what X/O frequency and slopes people are using with the MR13P and what tweeters they have tried as a match. The more I read on the new TexTreme MW16 comments; the more inclined I am to now wait for a TexTreme mid (MR13TX) instead of trying the MW13 first. It seems some say the increase in performance going from Papyrus to TexTreme is not a huge leap at all like many of us had hoped for. It is still early on though so we will see as more have tried and tested and evaluated them... |
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#39 | |
diyAudio Member
Join Date: Nov 2017
Location: Netherlands
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Quote:
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__________________
When you do it, do it right. Go all out. |
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#40 |
diyAudio Member
Join Date: Sep 2010
Location: Macedonia
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^ Sure, this is how a good audiophile speaker should be like:
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