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Markaudio Designers and builders of audiophile grade drivers

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Old 9th May 2011, 07:30 AM   #21
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You might consider the Classic GR Mar-Ken12 on its side with the driver centred horizontally.

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Old 9th May 2011, 01:40 PM   #22
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Will moving the driver to the center of the box affect the sound in some way? I presume you designed it offset to one side and up toward the top for a reason or was it for aesthetics? Thanks Dave.

Scott
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Old 9th May 2011, 05:55 PM   #23
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Driver is offset to help spread the diffraction signiture. Put it into a typical centre channel situation and that is moot. I'd leave it offset to the (new) top or bottom. It can then be oriented to get closer to the height of the mains.

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Old 9th May 2011, 06:26 PM   #24
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Cool thanks for the tip Dave! What's -3db on the GR-12?
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Old 9th May 2011, 06:42 PM   #25
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Estimated F3 ~70 Hz, F10 45 Hz.

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Old 9th May 2011, 06:45 PM   #26
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That'll work well for HT down point. Just need to get my first cabs built, make sure I like them then order up another driver. Hopefully I can still get another Copper A12 when I go to order

Scott
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Old 3rd June 2011, 04:54 AM   #27
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Its been a while since I've been able to do any work and finally was able to get over to my parent's where my dad has a table saw. We got all the boards cut except the braces and got one of the cabinets mostly glued up. Just have the cleats and the back left. Gonna get the other all glued up tomorrow so hopefully can get these at least making sound before the weekend is over. Here's a couple pics at least of the progress
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Old 3rd June 2011, 05:11 AM   #28
zman01 is offline zman01  Bangladesh
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Cool Scott, looks like you'll beat me to it! Are you doing the braces, or skipping them?

I am also geared up for the veneering this Sunday, followed by the color/finish later in the week.

Keep the updates coming.

-Zia
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Old 3rd June 2011, 05:20 AM   #29
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Zia,

I'm planning on doing the braces but want to get it up and running first before I do those. Since this is my first FR system I don't want to spend tons of time on the "finishing touches" if I'm possibly not going to like them. I hate to sound negative but coming from pretty high end multi-driver systems I'm still a bit cautious. I only have room for one system so I need to make sure I really like them before I spend a ton of time doing all those finishing touches. Given what I've heard so far I am really going to like them so I doubt it'll be an issue

Keep yours going, you'll get them done!! Can't wait to see your pics too!!

Scott
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Old 4th June 2011, 05:16 AM   #30
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One cabinet pretty much done. Started sanding and its SOLID and HEAVY! Wow, this sucker is really going to be very heavy when its done!! Going over to the rents tomorrow morning to glue up cabinet #2 and get the holes cut in the fronts of cabinet #1 and 2. Should be fun! We're also going to do a lot of sanding (wearing masks of course) so we're REALLY going to make a lot of dust!! Great start to a Saturday

Scott
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