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Fast, fun, Inexpensive OB project
Fast, fun, Inexpensive OB project
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Old 16th December 2009, 11:49 AM   #201
Telstar is offline Telstar  Italy
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Originally Posted by heinz1964 View Post
hi
Anybody tried with a 3" or 4 " fullrange yet?
I think a 4" fullrange will never have enough xmax to be used in open baffle.
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Old 16th December 2009, 01:53 PM   #202
Pano is offline Pano  United States
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Fast, fun, Inexpensive OB project
There has been a little experimentation, but not much. I think it's a good idea, if the right driver can be found.
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Old 16th December 2009, 03:35 PM   #203
Telstar is offline Telstar  Italy
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I heard 2x 6" (tangband or fostex i think) and they were very nice at low to moderate SPL.
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Old 16th December 2009, 03:45 PM   #204
nhjsdfops is offline nhjsdfops
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I think it's a good idea, if the right driver can be found.
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Old 16th December 2009, 03:50 PM   #205
Jonasz is offline Jonasz  Sweden
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Quote:
Originally Posted by Telstar View Post
I think a 4" fullrange will never have enough xmax to be used in open baffle.
I'm sure a fullrange driver will have enough xmax to replace a tweeter...
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Old 16th December 2009, 04:05 PM   #206
Godzilla is offline Godzilla  United States
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>>> I think a 4" fullrange will never have enough xmax to be used in open baffle.

Several on this forum seem to be using 4" Fostex drivers on OB with success... i can't seem to cut the holes to mount the drivers for fear it just won't work but maybe i should just try it and see for myself. I have a pair of Fostex 127e and TB Bamboos but they are in use at the moment. I also want to try the 6" Fostex 165k and 168z on OB... but they work so nicely in BIBs and ported boxes... The Betsy 8" works well on OB but it's designed for that.

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Old 16th December 2009, 04:17 PM   #207
human.bin is offline human.bin  Italy
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is the Qts of a driver the only parameter telling its suitability for OB?
otherwhise, does a driver need something special to be OB when you are using it over 200hz??

i remember Gainphile tried the TB bamboo on his blog and was disappointed on farfield listening, hopefully he will chime in.
everybody seem delighted by the FF85k which should be around 90db sensitivity.
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Old 16th December 2009, 05:50 PM   #208
MikeHunt79 is offline MikeHunt79  United Kingdom
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Quote:
Originally Posted by Telstar View Post
I think a 4" fullrange will never have enough xmax to be used in open baffle.
Hi, I know of 2 different 3" drivers that have 3mm of one way xmax. Not a massive amount, but quite a bit for a 3" driver. I think these would give quite a bit of output from 1KHz+.
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Old 16th December 2009, 06:32 PM   #209
Telstar is offline Telstar  Italy
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If we are talking 1khz and up, then yes, why not? (although not my cup of tea )
But I thought the idea was to go lower like 500-600hz.
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Old 16th December 2009, 06:38 PM   #210
Jonasz is offline Jonasz  Sweden
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500-600hz should not be a problem either...
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