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Old 24th June 2010, 06:08 PM   #1251
Dr_EM is offline Dr_EM  United Kingdom
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Quote:
Originally Posted by vitalstates View Post
Alpair 10 nearfield - standard BR from winisd - tuned to 49hz as default but bass needs serious taming.......
Excellent build! The 10 seems to have the smoothest response of the Alpairs, how do you find it? Is the treble as extended as the plot suggests? Looks like quite a special driver
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Old 24th June 2010, 06:24 PM   #1252
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Alpair 10 nearfield - standard BR from winisd - tuned to 49hz as default but bass needs serious taming.......
Your woodwoork is lovely. We have the same issue facing us with the bass on the MJK horn for the A10. The primeSize miniOnken for the A10 has good bass.

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Old 24th June 2010, 08:19 PM   #1253
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Your woodwoork is lovely.
dave

Awww, you say the nicest things.....

it was a straight winisd thing....BR is not really my thing but I needed some nearfields for the studio........the predecessors were mackie 824s and tannoy reveals so they've got their work cut out if they want to avoid the skip(dumpster)......

its 10ltrs with 47x177 port and with the port open they are frightening(bad). With the port stuffed they are the equal of their predecessors(so far) but I will start measuring in earnest tomorrow.

Ed
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Old 24th June 2010, 08:30 PM   #1254
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10 litres is a bit small... i settled on 13 litre (and then my hiR ports -- if i use a piece of PVC pipe i inevitibly end up putting a "sock" in the port. Sounds like soe judicial use of carefully cut open cel foam is required.

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Old 24th June 2010, 08:46 PM   #1255
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Those look nice.

Interesting use of the blue packing foam...

dave
Dave,

Where would I look for some of that blue foam packing material?


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Old 24th June 2010, 09:00 PM   #1256
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I get it from the Apple Service boxes that i am reponsible for recycling. I usually use the waffle stuff for packing. There is some denser stuff in the same boxes that makes for good aperiodic port material.

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Old 24th June 2010, 09:26 PM   #1257
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its 10ltrs with 47x177 port and with the port open they are frightening(bad).
That's odd, as the fr plot in WinISD looks pretty good for that tuning.

Jeff
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Old 24th June 2010, 09:38 PM   #1258
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I get it from the Apple Service boxes that i am reponsible for recycling. I usually use the waffle stuff for packing. There is some denser stuff in the same boxes that makes for good aperiodic port material.

dave
Ok, I should have been clearer. How can I obtain some for myself? In other words do you know where I can buy some?

Thanks...

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Old 24th June 2010, 09:54 PM   #1259
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Ok, I should have been clearer. How can I obtain some for myself? In other words do you know where I can buy some?
Try a packing company. Or go to you local Apple service and ask if you can get, and recycle any spare service parts boxes.

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Old 25th June 2010, 04:39 PM   #1260
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its 10ltrs with 47x177 port and with the port open they are frightening(bad). With the port stuffed they are the equal of their predecessors(so far) but I will start measuring in earnest tomorrow.

Ed
Box is a tad small but try stuffing the ports with drinking straws cut to the same length of the port, This should add a bit more resistance and still keep the tuning. I've found little changes with the upper bass in this fix yet the lower registers seem to be much more controlled....
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