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Old 21st November 2015, 09:21 PM   #1
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Default To many box types to choose from? Help please.

Hello everyone. I got a gift from a friend a of mine it is a new pair of yhe Tang Band W6-789E driver's. So There are so many box types out there to choose from? So Here's the two box types am looking at building? The first one is a Bass reflex and the second one is ported box? ( I hope they don't mean the samething? ) So am looking at a nice stand mount or monitor speakers that I could use in the corners with out to much trouble . ( Like audio note does with there speakers?). I Hope you dyers can point me in the right direction? Jeff.

Last edited by Mr Jeff 7; 21st November 2015 at 10:32 PM.
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Old 21st November 2015, 10:57 PM   #2
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Welcome to Diyaudio! The members here have a wealth of information and some have very strong opinions. Enjoy the information, and don't get upset if somebody disagrees with you.

Try this site for a box calculator; Speaker Box Enclosure Designer / Calculator
Bass reflex is a ported speaker box. It uses the box volume and port dimensions to get the best bass response.

There are actually many types of ported box designs. Bass reflex is the simplest to design and since you only need to worry about the box volume and port dimensions.

Your speakers only go up to 10,000 hz. You will probably need a tweeter for these drivers. You may need to ask your question in the Multi-way forum to also get tweeter and crossover recommendations.
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Old 21st November 2015, 11:10 PM   #3
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Thank you. I won't take things to heart. So you said there are a lot of different types of ported boxes. ( ugh) now my brain might start to hurt?. Thanks I will look up the program and see how it works? Jeff
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Old 21st November 2015, 11:47 PM   #4
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So I plugged in the numbers in the box program. Easy as pie.
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Old 21st November 2015, 11:51 PM   #5
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So I hit the button and my post went up. So here's the question? What's the difference between the Bass reflex and a 4th order Butterworth port's box? Is the sound better? I see the port is shorter and the box got smaller? Just looking for some answers still new to this box thing? Jeff
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Old 22nd November 2015, 01:40 AM   #6
Bigun is offline Bigun  Canada
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You should do some searching on the internet about this driver. I did a quick search and find that it is a woofer - meaning meant for lower frequencies. It looks like a nice driver, but you may need to pair each one with a suitable tweeter to get full range. I just saw this thread: Tang Band W6-789E driver help with the best possible box?
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Old 22nd November 2015, 01:48 AM   #7
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Thanks for your help. Still new to this driver. I know it doesn't go to 10khz. I do have a test ribbon tweeter already am going to fool around with in-till I find what crossover point sounds good. Jeff / Also thanks for the post link.
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Old 22nd November 2015, 06:10 PM   #8
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Quote:
Originally Posted by Mr Jeff 7 View Post
So I hit the button and my post went up. So here's the question? What's the difference between the Bass reflex and a 4th order Butterworth port's box? Is the sound better? I see the port is shorter and the box got smaller? Just looking for some answers still new to this box thing? Jeff
Here's the description from the help function on the speaker designer website;
The most important question is what type of enclosure to use. For the novice builder, conventional thinking says a sealed enclosure will typically produce a more accurate sound. A ported enclosure will produce louder deeper bass at the expense of sound quality. The ported enclosure also requires a more volume. A 4th order Butterworth Ported enclosure is even larger than a standard ported enclosure, but it should provide a smoother roll-off.
Note, where the help file says "The ported enclosure also requires a more volume." it means the box is bigger than a sealed enclosure.

Last edited by EdKennedy; 22nd November 2015 at 06:13 PM.
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Old 22nd November 2015, 07:40 PM   #9
sreten is offline sreten  United Kingdom
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Hi,

Easy as pie ? I don't think so.

The driver has nice sensitivity due to a lightweight cone,
and consequently has a high Vas for a not too low Fs.

It peaks a little at and rolls off from 5KHz, so a two
way design is absolutely mandatory to use it well.

Power handling is low, a ribbon tweeter might work well.

A 4th order butterworth bass alignment will be a one note
wonder, and is the "standard" ported enclosure used by sims.

Classic butterworth vented is a huge (for a 6.5") 65L tuned to 44Hz. 40L
tuned to 40Hz looks good to me. 20L sealed and stuffed is good for a sub.

rgds, sreten.

Last edited by sreten; 22nd November 2015 at 08:07 PM.
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Old 22nd November 2015, 11:39 PM   #10
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Well I guess not as easy as pie. I was using the ribbon as a test point because I have it on hand and it was free. I planned on crossing the speaker to tweeter at 4,000 khz. As for the box type I will keep looking around in-till I find the one I like ( a one note will never do this driver justice ). Thanks for the heads up and your insightful wisdom on this subject and my driver. Jeff
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