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Old 8th June 2012, 10:17 AM   #1
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Smile Floor Standing Speakers.

Hi everyone,

I am new to this site and need some help from highly experienced members. I want to make a pair of Floor Standing Speaker with 200 watts rms each. I want to know which speakers i should use and there connections. Also the box size and if anything else required for teh same.

Gurpreet Singh
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Old 8th June 2012, 02:05 PM   #2
mikje is offline mikje  United States
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If you got to the Tech Talk forum on the Parts Express website Techtalk Speaker Building you'll be able to get a lot of great speaker building information and advice. You can also do a Google search for DIY speakers and you'll find a lot of proven designs that are very nice.
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Old 8th June 2012, 02:51 PM   #3
jimbro is offline jimbro  United States
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You need to tell us the size of your room and the type of music you listen to. Watts is one of the last things you need to consider and 200 rms is way more than most need and not available in a full range that I'm aware of. An efficient driver can play very loud with just a few watts.
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Old 8th June 2012, 05:03 PM   #4
chrisb is offline chrisb  Canada
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A few thoughts:

When such a question is posted at a specialized niche of the DIY speaker building world ( i.e. the Full Range Forum, or "kiddie pool"), don't be surprised if recommendations are quite different from those at say the Parts Express, or even multi-way section herein.

As jimbro noted - unless this is for a PA or live music sound reinforcement application, I wouldn't start off with "watts" as a criteria - there are a few standard questions that I always recommend considering to help shorten the process - in no particular order:

- room size (square or cubic feet)
- application (2 channel music only/ multichannel home theatre?)
- program material / listening habits (type of music / anticipated loudness levels)
- placement / design constraints ( i.e the "wife acceptance factor")

Is there a make/type of domestic speaker that you've heard that you'd like to approximate?

start small
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Old 11th June 2012, 04:18 AM   #5
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Thanks for your support.

Answers to your questions are:
Room Size: 12' X 12'
Application: Only 2 Channal Music.
Programm Material: Movies and high beats music.
Placement: I can place these two speakers maximum 8 feet apart along with front wall of my bedroom. On the two adajacent walls I have two doors of 3.5' each width opening to my hall and garden.
I am also planning to use a 12" active subwoofer with these speakers.

please tell me the make and size of speakers I should use.
I am thinking of using some pioneer speakers.
Thanks.
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Old 11th June 2012, 05:38 AM   #6
kctess5 is offline kctess5  United States
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I am thinking that if your planning on playing loud bass heavy music and/or movies that you might want to consider a FAST system. Thats where you have a full range driver crossed around 150-200 Hz to a helper woofer on each speaker. You would not need a sub if you did that and used adequate drivers however you could if you really felt like it, crossed in really loud.

A Markaudio Alpair driver would sound excellent. And crossed high excursion wouldn't be a problem. 20 watts per channel should be nearly deafening in room.

Check this out: FAST Build: Alpair 7.3 - Seas L26ROY

It's really hard to just tell you what drivers you should use, as there are hundreds. It all is going to depend on personal preference, output requirements, price range, off axis requirements, etc... What could be an excellent option for me could be terrible for you.

And as said before 200 Wpc is insane overkill for full range drivers, a FAST system maybe if the woofers were pretty inefficient. And even in that alignment the full rangers would only need a fraction of the total power. My new Aikos (fostex driver) I only give about 3-4 watts. My old speakers (line arrays, my own design) were inefficient relatively and needed about 5-10 watts. Even my horn subwoofer (its huge, a couch, literally) only needs about 30 watts to literally knock things off of shelves across the room.

Any information you have about what specific requirements you have would be great
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Old 11th June 2012, 06:54 AM   #7
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Thanks "kctess5"

I have seeb the Fast Buid Project it looks great.
I have some specifications of speakers which I want to use.
A. Woofer - 14cm, 50 Watt RMS, SPL: 88dB, Response: 50Hz to 20,000 Hz, Impedance 6 Ohms.
B. Full range Speaker: 10 cm, 15 Watt RMS, SPL: 86dB, Respone: 50Hz to 18,000 Hz, Impedance:8 Ohms.
C. Tweeter: 6cm, 15 Watt RMS, SPL: 94dB, Response: 4000 Hz to 20,000 Hz, Impedance: 3 Ohms.

Are these speceifications enough for my requirement. Also, please throw some light on wiring of these speakers, box size (volume required), distance between woofer, speaker and tweeter and all other stuf that are required to build this.
Also up to what power of amplifier is required to run these speakers.
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Old 11th June 2012, 01:02 PM   #8
jimbro is offline jimbro  United States
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Could you post a link to those drivers?
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Old 12th June 2012, 03:20 AM   #9
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Quote:
Originally Posted by jimbro View Post
Could you post a link to those drivers?
Here is the link
India Speaker Drive Manufacturer,Indian Speakers Drives Manufacturer.

Model: DT7001 - Tweeter
DW1421A - Woofer
DP1045A - Full Range Speaker

Note: Thses speakers are used by Sony in there home theaters.
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Old 12th June 2012, 06:11 AM   #10
ra7 is offline ra7  United States
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Gurpreet,

I think you want to be in the multiway forum, not in the fullrange forum. "Fullrange" here means one single driver covering nearly the whole audio spectrum.

You will need to design a crossover if you plan on using the drivers you mention. Crossovers are hard to do without measuring driver impedance and frequency response. An easier way is to go with a single driver in a box, like a horn. There are many good options, as suggested by members here. There is also a great article on this type of speaker:
Arpeggio Loudspeaker

If you want to build multiway speakers, check out the parts express forum also. Also check out the Manzanita project:
Fast, fun, Inexpensive OB project

Be sure to pick a project that is well documented and supported. This will ensure you finish it and get it working satisfactorily. Otherwise you will end up spending a lot of money and not be happy with it.

Last edited by ra7; 12th June 2012 at 06:14 AM.
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