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Multi-Way Conventional loudspeakers with crossovers

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Old 14th September 2006, 12:27 PM   #181
rabbitz is offline rabbitz  Australia
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The Wiki has been changed to add a link to the xo schematics, tweeter polarity added and the crossover values altered in line with the current designs.

D27TG / P13WH Wiki
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Old 14th September 2006, 01:34 PM   #182
MuaDibb is offline MuaDibb  United States
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Thanks Rabbitz that was awesome.
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Old 14th September 2006, 05:55 PM   #183
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Good work, now you have me thinking about digging out the VIFAs and loading them into the queue.

dave
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Old 14th September 2006, 06:26 PM   #184
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can someone tell me what the difference is between the p13wh0008 and the p13wh1004?

Im guessing the 4 refers to impedence, but what about the 1?


edit:

nevermind. Car speaker. That changes the question.

Aside from impedance, how would this driver differ from the p13wh0008?

The FR curve looks similar. I dont expect it would be a drop in alternative but with two components it wouldn't be the most difficult thing in the world to figure out.

Im asking because its on sale at solen.

Theres info with a FR curve here:

http://www.madisound.com/pdf/vifacat...p13wh-10-04%22

edit#2: ok nevermind. Its a completely different driver. The TS parameters are completely different. Optimized for off axis listening. Of course if someone wanted to play around, they still have a beautiful FR curve and would probably be really nice to design for.
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Old 15th September 2006, 07:38 AM   #185
rabbitz is offline rabbitz  Australia
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Quote:
Originally posted by planet10
digging out the VIFAs and loading them into the queue.

dave
I bet the queue is looooooooooong.
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Old 15th September 2006, 08:43 AM   #186
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Quote:
Originally posted by rabbitz
I bet the queue is looooooooooong.
Some of the projects in the queue may well outlive me

dave
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Old 15th September 2006, 07:03 PM   #187
MuaDibb is offline MuaDibb  United States
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Quick question, madisound has a D27TG45, but it doesn't look like the tweeter inthe esquire pic. It looks like the D27TG35 thats available at PE and Madisound. It doesn't seem like much difference if any between the two expcept for the faceplate. Which is the correct tweet or could I use either?
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Old 16th September 2006, 10:53 AM   #188
rabbitz is offline rabbitz  Australia
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You could go with either tweeter but I think the D27TG45 is supposed to be a tad better.... not 100% sure.

D27TG35 is used here as no stocks of the D27TG45 left at the distributor in Oz.
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Old 16th September 2006, 09:05 PM   #189
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Today I build the AR series crossover using:

L1 = 0.11 mH
L2 = 1.20 mH
R1 = 6.8 ohm
C1 = 22 uF

For L1 I used a copperfoil inductor. L2 is a Tritec 2.0mm2 coil (coil wire consists out of 6 seperate strings twisted together) R1 is a MOX resistor. I executed C1 as a 400V Audyn MKP in parallel with a 0.1uF 800V Audyn plus.

I also took some pictures of the crossover:

http://img154.imageshack.us/img154/8804/p9160044va4.jpg

http://img79.imageshack.us/img79/8549/p9160045yw5.jpg

This AR crossover is really nice sounding, better then the previous crossovers I used.

Best regards,

Walt
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Old 17th September 2006, 02:18 AM   #190
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Unhappy But the Vifa drivers are going away!

The P13 project looks great, and I was thinking of, as Dave said, putting it in the queue... but the P13 driver is being discontinued. Can we start Reference Project #2?

Possibilities:

The Seas 27TDFC tweeter seems to have a following and appears to be easy to cross over...
And keeping things in the spirit of the P13, any of the Seas CA12, CA15, or CA18 could work. And Madisound sells shielding cups.

Hmmm... the CA12RCY, vented f3 at 75Hz in a 2L enclosure... where was that thread about a BO$E slayer?

cheesehead
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