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Looking to build a TMM speaker system
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Old 27th July 2016, 02:44 AM   #1
nareshseep is offline nareshseep  Trinidad and Tobago
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Default Looking to build a TMM speaker system

Good day,

I am looking to build a TMM speaker system using the Faital pro 6FE100, which has a flat response to 3khz.

FaitalPRO | LF Loudspeakers | 6FE100

http://www.faitalpro.com/products/fi...response_8.gif

I would like to get a tweeter to match these mid basses and will need to build a TMM crossover.

Any assistance will be appreciated,

Thanks
Naresh
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Old 27th July 2016, 04:12 AM   #2
djn is offline djn  United States
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Take a look at the ESS Rock Monitor. It is a TMM using the big *** Heil on top.
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Old 27th July 2016, 04:24 AM   #3
picowallspeaker is online now picowallspeaker  Italy
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The tweeter is a Hi-Vi
kit diffusori playmax per auto costruttori
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Old 27th July 2016, 04:25 AM   #4
LineSource is offline LineSource  United States
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From the datasheet, the Faital 6FE100 with Fs=61Hz and Qts=0.54 would produce the best midrange sound in a tight-transients sealed cabinet volume close to 0.7cuft(Qtc=0.72) with F3 ~90Hz. Nasty cone breakup starts around 3.2kHz, so a LR2 or LR4 Xover ~2Khz is required for >20db attenuation.

A second 6FE100 in a 1.5cuft ported box tuned to 40Hz would provide decent bass-shelf output, which could blend well with typical room gain. Naturally, some of the 6FE100 midrange efficiency would need attenuation to match the limited bass and baffle step effects of this small ported 6FE100 woofer.

Many designers would favor a floor standing 3-way with a larger diameter real woofer(s) below the sealed 6Fe100.

The SB29RDNC-C000-4 $60 dome tweeter has the efficiency at 2kHz to keep up with the 6FE100.

The smaller SB26STCN-C000-4 would probably drop 1db of sensitivity, but offers a smoother 20kHz+
=================
Sketch your desired cabinet shape + size. 1-box? 2-boxes? ...typical room?


Good Sound = T + M(6FE100 sealed) + big woofer(ported)
Icky Sound = M -T- M or TMM (both M ported) (Icky=poor transients, lobing, limited bass....)
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File Type: jpg 6FE100.JPG (187.2 KB, 582 views)
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Old 27th July 2016, 10:50 AM   #5
mayhem13 is offline mayhem13  United States
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Agreed, the 6fe100 is more mid bass than woofer........I'd favor a classic 3way over the TMM using it. If a narrow baffle is a goal, the dedicated woofer could be side mounted. I'd even venture two, dual opposed 10" woofers for an overall high efficiency system.
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Old 27th July 2016, 11:40 AM   #6
jf4828 is offline jf4828
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Nareshseep, what are your goals WRT F3? Are you looking for high efficiency crossed to a separate sub or something more full range? Room size? Listening distance? Amp?


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Old 27th July 2016, 04:00 PM   #7
nareshseep is offline nareshseep  Trinidad and Tobago
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Quote:
Originally Posted by jf4828 View Post
Nareshseep, what are your goals WRT F3? Are you looking for high efficiency crossed to a separate sub or something more full range? Room size? Listening distance? Amp?


Sent from my iPhone using Tapatalk
Presently I have no sub hooked up presently, but I have an elemental designs 13ov woofer which I plan to use for bass. The system will be used mainly for my computer which doubles as my home entertainment center. I am looking for an F3 around 60-80 if possible.

Last edited by nareshseep; 27th July 2016 at 04:29 PM.
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Old 27th July 2016, 04:09 PM   #8
nareshseep is offline nareshseep  Trinidad and Tobago
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Quote:
Originally Posted by mayhem13 View Post
Agreed, the 6fe100 is more mid bass than woofer........I'd favor a classic 3way over the TMM using it. If a narrow baffle is a goal, the dedicated woofer could be side mounted. I'd even venture two, dual opposed 10" woofers for an overall high efficiency system.
This is a great idea, will consider this if I decide to use a 3 way at a later date.
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Old 27th July 2016, 04:16 PM   #9
nareshseep is offline nareshseep  Trinidad and Tobago
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Quote:
Originally Posted by LineSource View Post
From the datasheet, the Faital 6FE100 with Fs=61Hz and Qts=0.54 would produce the best midrange sound in a tight-transients sealed cabinet volume close to 0.7cuft(Qtc=0.72) with F3 ~90Hz. Nasty cone breakup starts around 3.2kHz, so a LR2 or LR4 Xover ~2Khz is required for >20db attenuation.

A second 6FE100 in a 1.5cuft ported box tuned to 40Hz would provide decent bass-shelf output, which could blend well with typical room gain. Naturally, some of the 6FE100 midrange efficiency would need attenuation to match the limited bass and baffle step effects of this small ported 6FE100 woofer.

Many designers would favor a floor standing 3-way with a larger diameter real woofer(s) below the sealed 6Fe100.

The SB29RDNC-C000-4 $60 dome tweeter has the efficiency at 2kHz to keep up with the 6FE100.

The smaller SB26STCN-C000-4 would probably drop 1db of sensitivity, but offers a smoother 20kHz+
=================
Sketch your desired cabinet shape + size. 1-box? 2-boxes? ...typical room?


Good Sound = T + M(6FE100 sealed) + big woofer(ported)
Icky Sound = M -T- M or TMM (both M ported) (Icky=poor transients, lobing, limited bass....)

Desired shape: a pair of 2way T-M Monitors to the side of my computer screen. I will go with the sealed arrangement.
Subwoofer: a ported elemental designs 13ov woofer tuned low, which will be placed under desk.
Room size: 17' x 17'

Last edited by nareshseep; 27th July 2016 at 04:30 PM.
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Old 28th July 2016, 03:07 AM   #10
LineSource is offline LineSource  United States
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Merry Christmas!

Voice Coil magazine tested the Faital 6FE100 and you can use their quality measurements, including SPL on a 8" x 17" baffle to execute a good quality simulation design before you build your box, complete your measurements, and tune the final crossover values.

The basic software-design flow is well discussed if you download:
Simple Loudspeaker Design, Dave Dal Farra, January 2011

--you might experiment by splicing my sim of the 0.7cuft sealed box bass onto the Voice Coil SPL plot at 200Hz, and using a tool like SPL Copy to generate a FRD and ZMA you can run through 'Frequency Resoponse Modeler' which includes box Diffraction Sims.

http://www.adamhall.com/media/downlo...il_12_2008.pdf

========================

Happy New Year!

The diySoundGroup has a kit using the 6FE100 with a waveguide tweeter which you can study and read reviews. A waveguide tweeter requires a listening distance of >5' (as set by the vertical coverage angle of the waveguide) to correctly blend with the midbass. Some rooms have the speakers several feet away from the computer desk.

Fusion-6 DIY Sound Group
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