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mt102 styled MT122 |
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arxxx 
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Joined: 19 July 2007 Status: Offline Points: 122 |
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 Topic: mt102 styled MT122Posted: 10 October 2008 at 12:56pm |
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pls suggest will this work and will it go bit lower
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justamadman
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Joined: 13 May 2007 Location: United Kingdom Status: Offline Points: 1118 |
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Posted: 10 October 2008 at 2:18pm |
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well its not a 122 anymore. and i think the comp driver driver was between the mids to deal with phasing or comb filtering issues?????
but don't quote me on that |
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in front of the bass bins baby
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boycey
Old Croc 
Joined: 25 June 2006 Location: Manor House Status: Offline Points: 1612 |
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Posted: 10 October 2008 at 2:59pm |
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you've also completely changed the expansion.
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the only thing more dangerous than a person who doesn't give a f**k is a person who gives a sh*t.
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Deadbeat
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Joined: 12 March 2008 Location: Singularity Status: Offline Points: 3167 |
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Posted: 10 October 2008 at 3:17pm |
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No point IMO. The MT122 was MTM'd for a reason (similar to what justamadman pointed out). Google 'MTM' and 'D'appolito'.
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Away on extended leave.
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LjudLahger
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Joined: 31 July 2008 Location: Sweden Status: Offline Points: 838 |
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Posted: 03 November 2008 at 5:04pm |
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Nice, but what about just place the horn in the middle and just do an mt102?
I have drawn a "scale-down" of an mt122 for my 10" but it would be cool if someone could sim it in hornresp!!! Because I've learn here that I can't just scale down... So please, anyone?! |
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LjudLahger
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Joined: 31 July 2008 Location: Sweden Status: Offline Points: 838 |
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Posted: 03 November 2008 at 5:21pm |
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Deadbeat
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Joined: 12 March 2008 Location: Singularity Status: Offline Points: 3167 |
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Posted: 05 November 2008 at 8:50pm |
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I believe James Folkes on this forum has built something similar.
Hornresp as you know will sim the 10" section. You are going to have to play with the directivity tools for true on axis response as the normal calculated response is power response.
I'll post a few figures you've given and leave the rest up to you with a bit of help of course. You should be able to figure out the rest of the hornresp plot (learning experience). Be careful of units. Bitzo style... s1=the area of the square hole on 'Baffle B' on the original MT122 plan s2=cross-sectional area of the horn (you've given a width of 26.9 - multiply that by the height on your vertical section. con=21.0 (axial length from cross sections s1 and s2 which you've given) s3=1305 con= axial length from s2 to s3. vrc=the volume of the rear chamber (minus the volume taken up by the driver and the cone of course) lrc=12.5 (the length of the rear chamber) fr=0 tal=0 atc=average cross sectional area normal to axis of throat chamber vtc=Volume of throat chamber (volume of cone and volume in the baffles before s1) That should help you. |
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Away on extended leave.
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Saul
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Joined: 15 June 2007 Status: Offline Points: 5912 |
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Posted: 05 November 2008 at 11:15pm |
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i heard cabs where people have done this......terrible
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bitzo
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Joined: 20 November 2007 Location: Italy Status: Offline Points: 977 |
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Posted: 06 November 2008 at 8:45am |
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check the selenium plans for 10" mid
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LjudLahger
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Joined: 31 July 2008 Location: Sweden Status: Offline Points: 838 |
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Posted: 06 November 2008 at 11:34am |
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deadbeat, thank's! I like to play with different thoughts...
Saul, maby so but it's all for fun. I like the thought of "the ultimate, smallest, most highpower, well sounded speaker that going to make me rich". lol. Yeah right, dum as swed! |
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levyte357
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Joined: 10 May 2004 Location: UK, London Status: Offline Points: 11743 |
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Posted: 09 November 2008 at 6:11pm |
http://www.parts-express.com/pdf/selenium/pas3ma4.pdf   |
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"Who am I? I'm the guy who does his job.. You must be the other guy".
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bitzo
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Posted: 12 November 2008 at 9:24am |
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It seems a bill fitz maurice ot10 double version but deeper...isn't?
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bitzo wrote: