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Martin Audio F2B

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Robbo View Drop Down
Old Croc
Old Croc


Joined: 05 December 2005
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Robbo Quote  Post ReplyReply Direct Link To This Post Posted: 04 January 2015 at 10:22am
If the cone was moving forward more than about 4mm then it would be hitting the letterbox baffle.
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snowflake View Drop Down
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Joined: 29 December 2004
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowflake Quote  Post ReplyReply Direct Link To This Post Posted: 04 January 2015 at 5:43pm
just checked the RCF CAD drawing and it is 145mm behind the mounting flange so overall depth is actually 155mm. so can't be sure it will fit. and as said above, although 11.25mm xmax and 1500W the rebate on the baffle may not allow it to be driven to full power without addition of a spacer ring which may not fit.
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tv00 View Drop Down
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Old Croc


Joined: 10 August 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tv00 Quote  Post ReplyReply Direct Link To This Post Posted: 05 January 2015 at 10:35pm
Perhaps you can route a circle in the front loading plate, as you only need to make room for the cone edge, would give a slightly smaller front chamber.
I'm worried for about that front chamber plate breaking at the pressure though:-o

LF15N451 sims like crazy in there too, but it doesn't save all that weight.
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Robbo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Robbo Quote  Post ReplyReply Direct Link To This Post Posted: 06 January 2015 at 12:06am
A rebate is already routered into the baffleboard so that the cone and suspension do not hit the board face surrounding the letterbox horn slot.
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tv00 View Drop Down
Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tv00 Quote  Post ReplyReply Direct Link To This Post Posted: 06 January 2015 at 12:16am
Ok, long time since I had my head inside a m215 mk3, used to own two!
Perhaps space for some more routing?
I guess the gaskets compress all the way down!
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tv00 View Drop Down
Old Croc
Old Croc


Joined: 10 August 2009
Location: Denmark
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Points: 1886
Post Options Post Options   Thanks (0) Thanks(0)   Quote tv00 Quote  Post ReplyReply Direct Link To This Post Posted: 30 December 2015 at 6:35pm
I have a Martin Audio L1540 for this bin if anyone needs it?

EDIT: Just put it up for sale, pm me for special deals:-)


Edited by tv00 - 30 December 2015 at 6:43pm
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