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Scanspeak B741 build

post #1 of 75
Thread Starter 
Hi Everyone, I'm new to this forum and new to DIY speaker building.

Went out on a limb and bought the Scanspeak B741 kit from Madisound and have nearly finished the cabinets.

I will post some progress pics shortly.

Anyone out there built this design? If so, can you tell me how it went/how it sounds.
Edited by dragon666 - 5/15/13 at 11:00am
post #2 of 75
Thread Starter 
CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75
Edited by dragon666 - 4/11/13 at 10:29pm
post #3 of 75
Thread Starter 
CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75
Edited by dragon666 - 4/11/13 at 10:33pm
post #4 of 75
This should definitely be an ultra high end speaker. I hope you have a good amp, this is a hard 4 ohm load with several dips below 3 ohms.

http://www.madisoundspeakerstore.com/3-way-speaker-kits/b741-scan-speak-kit-pair-by-peter-noerbaek/



You really should post pictures that dont require people to download each one, no one is going to do that

post #5 of 75
Thread Starter 
Thanks for the tip. I have a pioneer m90 power amp that was given to me and is in excellent condition. Such a heavy beast too.
Edited by dragon666 - 4/15/13 at 5:42am
post #6 of 75
Wow, I love those mittered edges! I wonder how they will sound? That is a lot of coin to drop on a DIY kit! I can only imagine what these would cost at a brick and motor store!
post #7 of 75
hey..very good job man....the build is looking good...and it will definitely..sound awesome..this kit seems to be well put together...by Madison..saw it ...on the web site ..it is way to expensive for me ..but i really like it ...wish i had your work shop grate tools ...tools make the build all the better ...again good job ? what your finish ?
post #8 of 75
Thread Starter 
Just want to say, after all of this, I have to conclude that you do NOT need to have a huge workshop. You only need the following: a good power saw (of which I have 3 but bought another one just for this build), a good router and LOTS of clamps. A table saw is not needed, as I discovered. A straight edge and some clamps actually gets as good a result with a hand held power saw cf. a table saw.

Still have not decided about finish guys. My thoughts are: 1) piano black, 2) natural veneer, 3) man-made veneer [which i think some of look quite cool].

What are your thoughts guys?

rolleyes.gif
Edited by dragon666 - 4/12/13 at 3:49pm
post #9 of 75
I am always a fan of piano black!

I am curious as to how you got those mitered edges without using a table saw?
post #10 of 75
Thread Starter 
Check out the orange power saw in the pics. That tool did all the mitres... To precision
post #11 of 75
Impressive! I am excited to hear the results.
post #12 of 75
I am jealous. This is the kit I would be after if I could afford it. Nice work so far!
post #13 of 75
Thread Starter 
Just did an initial sand and put two coats of wood hardener on over the weekend. Next thing to do is fill all the small gaps with some sort of filler. Will wait another day or two before I do it.
post #14 of 75
Looking forward to hearing your impression, I looked at building this kit in the future.
post #15 of 75
Thread Starter 
Will be done in about a week. Im very keen to hook up the drivers too but don't want to be too impatient and stuff the finish up.
post #16 of 75
Do you plan to do the same base as in the 3D render ?
post #17 of 75
Thread Starter 
No, I am not going to do the same base. I am going to use black chrome spikes from Dayton Audio. I think that would more suit the piano black finish and Darlek shape.
Edited by dragon666 - 4/15/13 at 12:51am
post #18 of 75
Thread Starter 
AppleMark
AppleMark
AppleMark
AppleMark
The fit and finish of these spikes are really top notch
Edited by dragon666 - 4/15/13 at 6:02pm
post #19 of 75
Quote:
Originally Posted by dragon666 View Post

AppleMark
AppleMark
AppleMark
AppleMark
i to use these.. spikes from PE and they work and look ..really nice high end look..
post #20 of 75
Thread Starter 
What do you guys think of the Pioneer M90 power amp? Very 80's and Knight Rider cool methinks. Im very lucky to have been given it.
post #21 of 75
Quote:
Originally Posted by dragon666 View Post

What do you guys think of the Pioneer M90 power amp? Very 80's and Knight Rider cool methinks. Im very lucky to have been given it.
Not a fan of "vintage" gear because they can be a ticking time bomb if not serviced recently.
post #22 of 75

hey ..dargon.. hears..a nice tip for the spikes..feet for your build..i just thought i might pass this by you..on the spike put a couple..of warps on the threads..not to much ..just a couple of warps..i put a pic for you..
post #23 of 75
Thread Starter 
Hey Pioneer, thanks for the tip. I'll do it!
post #24 of 75
Quote:
Originally Posted by dragon666 View Post

Hey Pioneer, thanks for the tip. I'll do it!
sure no probs..am this will help ..without the tread seal ..the spikes can be a bit lose..the tape work really good...and hope to here how the build sounds ..did you decided what finish ur going with yet?
post #25 of 75
Thread Starter 
Yeah, Piano black. Just spent the last 2 days putting several coats of MDF primer on. Took a while because I wanted to get a perfectly flat surface. Lots of minor imperfections come to light. Will definitely show with the piano black finish. I will spray the cabinets next week. Bought me a gravity feed gun.
post #26 of 75
Quote:
Originally Posted by dragon666 View Post

Yeah, Piano black. Just spent the last 2 days putting several coats of MDF primer on. Took a while because I wanted to get a perfectly flat surface. Lots of minor imperfections come to light. Will definitely show with the piano black finish. I will spray the cabinets next week. Bought me a gravity feed gun.
yep dragon ..you are on the right track..lol take your sweet time .. especially..with the finish ...i was a bit jumpy..to get done..but had to go back and do more sanding ...lol so take your time ..lol
post #27 of 75
oh..by the way what did you decide..on the pioneer inter-amp ? did you get it
post #28 of 75
Thread Starter 
Yes, My friend gave me the pioneer amp. Its great. Currently using it with an Arcam A70 preamp. Its probably got enough oomph to drive the scanspeak drivers.
post #29 of 75
Quote:
Originally Posted by dragon666 View Post

Yes, My friend gave me the pioneer amp. Its great. Currently using it with an Arcam A70 preamp. Its probably got enough oomph to drive the scanspeak drivers.
kool ..i saw one on ebay ..i am trying to land one myself..i like that amp hope i can get one at a good price and condition..
post #30 of 75
Thread Starter 
The Pioneer amp is a heavy over-engineered beast from the 80s. Everything about it is cool. Hope you pick up a nice one
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