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Old 22nd February 2014, 01:54 AM   #2791
rka is offline rka  United States
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Default Bob Brine's B10-A10 design

I finished a pair of Brine's B10-A10(p) speakers today. Walnut veneered boxes with flat oil base finish. Turned out pretty well. Sound even better. Here are a few pictures:
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File Type: jpg IMG_0905.jpg (99.7 KB, 1057 views)
File Type: jpg IMG_0906.jpg (94.4 KB, 1037 views)
File Type: jpg IMG_0907.jpg (143.1 KB, 1026 views)
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Old 22nd February 2014, 02:31 PM   #2792
Squeak is offline Squeak  Denmark
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Think I liked them better naked. Sorry. :-)
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Old 22nd February 2014, 02:44 PM   #2793
nebojsa is offline nebojsa  United States
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They look awesome, nice job. Sound wise your impression so far?
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Old 22nd February 2014, 05:17 PM   #2794
rka is offline rka  United States
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Quote:
Originally Posted by Squeak View Post
Think I liked them better naked. Sorry. :-)
It would have been much simpler to leave them unfinished but I wanted to try veneering--so I did.

Quote:
Originally Posted by nebojsa View Post
They look awesome, nice job. Sound wise your impression so far?
They sound pretty good with about 50 hours. I can listen to them without being critical. This was not true with the previous speakers I built (4 pairs that included FE 126En drivers that sounded awful for the first hundred hours or so and CHP 70's that were "tight" sounding for to begin with). In other words, I am very pleased and optimistic that these new speakers will be even better than they already are as time goes on. The imaging is very good even now, in my opinion. I have "noticed" things that hadn't caught my attention before in music I have listened to quit a lot.

I agonized about spending the time and money to build these speakers; My conclusion is that I should have done this much sooner.

Roger
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Old 24th February 2014, 05:39 AM   #2795
MLC is offline MLC  Japan
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Default It is the speaker of all solid wood made in Japan.

A speaker driver is a mark audio.
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File Type: jpg XSEED A10 ???2013.jpg (46.7 KB, 909 views)
File Type: jpg XSEED A10 ?????2013.jpg (64.1 KB, 438 views)
File Type: jpg XSEED A10 ????????2013.jpg (43.4 KB, 365 views)
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Old 24th February 2014, 06:46 AM   #2796
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Very pretty.

Are those Pensils?

dave
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Old 24th February 2014, 06:05 PM   #2797
chrisb is offline chrisb  Canada
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yes, MLC nicely done indeed - what is the detail shown in central of 3 photos?
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Old 24th February 2014, 06:20 PM   #2798
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>>> Think I liked them better naked.

I like a lot of things better when they're naked. The speakers look terrific either way.
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Old 24th February 2014, 06:32 PM   #2799
chrisb is offline chrisb  Canada
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wrong forum, Jeff - but you're probably already well served there as well

I think he meant the architectural look of the unfinished plywood - which can look quite tasty with lacquer or varnish clear top coat


Roger: your photos suggest these are tight to the back wall - with a rear port is that causing you any issues?
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Last edited by chrisb; 24th February 2014 at 06:37 PM.
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Old 24th February 2014, 08:04 PM   #2800
rka is offline rka  United States
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Quote:
Originally Posted by chrisb View Post
Roger: your photos suggest these are tight to the back wall - with a rear port is that causing you any issues?
You are right. I moved the speakers out from the wall 12" and the sound is more expansive. However. . . . now one shelf is also intruding into the doorway to to my 10' x 12' listening room/bedroom. This setup is just temporary until I dismantle my shop so that the space can become a living room again. For the time being the arrangement is satisfactory as a place to run the speakers in.

A side note: I have found that a nice finish is appealing but isn't worth the effort it takes unless there is something to apply it to (in this case Walnut veneer). The finish was accomplished by wiping on twelve coats of a flat oil based finish, sanding between every other coat. This is what it took to fill the grain and level the surface. Final sanding was done "wet" with 600 grit paper. A "naked" box is just not worth this attention (I have tried; I did a pair of boxes with a piano type finish and the amount of work it took was double the veneer finish, and the cost for lacquer and sandpaper ended up about the same as the veneer).

Roger
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