Speaker Box Designer
by IamDrNelly
🗂️ Tools
Version 5,000+ đź’ľ 137 Kb
đź“… Updated Eligible if bought after 7/2/2016.
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This app will size the loudspeaker box/port and plot the frequency response.
Features Speaker Box Designer
Speaker Box Designer is the app for designing the boxes for your loudspeaker drivers.
The app will size the box (calculate the box volume to match your driver), calculate the port length (if you want one) and will also plot the frequency response of the finished design.You can design Closed (Sealed), Ported or 4th Order Bandpass enclosure designs.
The sealed design is the simplest to construct, the ported design gives an improved bass response and the 4th Order Bandpass design is great for sub-woofers.To use the app, enter the details about your driver and the type of box you would like to use.
The details about the driver (the Thiele-Small Parameters) can be obtained from the driver’s data sheet, the supplier’s catalogue or from the internet.
If you select a Ported or 4th Order Bandpass design, you can also set the port diameter.
The app will then calculate the box size for you and you can plot its frequency response.The app works with both metric and imperial (English) units.I have been asked by a number of people why the app doesnt calculate the box dimensions from the calculated volume.
The reason is that there isnt just one possible solution - in theory you could have any shape box you like.
However, to be helpful, I do recommend that your box has the Golden Mean Rectangle proportions of 0.618:1:1.618 as these are considered by many to be the optimum shape for the acoustics (a cube is certainly the worst shape acoustically).
You can calculate the INTERNAL box dimensions with the following formulae:First find the cube root of the desired box volume, we will call this r3VFor Box Volume in cubic inches:L = r3v * 1.618 (answer is in inches)W = r3v * 1.0 (answer is in inches)H = r3v * 0.618 (answer is in inches)For Box Volume in l:L = r3v * 0.1618 (answer is in m)W = r3v * 0.1 (answer is in m)H = r3v * 0.0618 (answer is in m)________________________________If you have a small screen, you may need to scroll down the page to see the calculation results.
This program performs a number of calculations including Box Volume, Box Resonant Frequency, Minimum Port diameter and Port Length - these can be seen in the fourth screen shot.
Be sure to enter your data correctly, as if you make mistakes, you might incorrectly think that part of the app (such as the ported calculation) is not working correctly.If you have any problems it is much more productive to email me before leaving a negative comment, as then I can do someting to fix the problem.V1.2 Added the option of using inches and cubic inches as well as metric units.V1.1: Minor bug fix to correct display of Driver Dia and Xmax in the Calculate screen.V1.0: This is the first version of this app.
User feedback will be considered for future updates.
If you dont leave any comments, I cant act on them.
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See the Speaker Box Designer in Action
What Our Users Say
Don't just take our word for it. Here's what our users have to say about our Android app.
"Calculates same box volume no matter what parameters I specify, waste of a buck."
Gary Neyers
"Everything was looking OK til I saw there wasn't an option for a rectangular port or dual subs"
X REVIEWS
"Basic, quick, easy, value for money for me."
Chiranjib Das
"Not the best but i only needed to to keep and check some numbers"
Gary Davis
"Very close to the tuning and suggested boxes on winisd. Please please make it so you can play with the tuning and you will start getting 5 stars from people! Really id like to give a 3.5 star has potential to be a great app."
Josh Sittner
"Didn't play with bandpass so no clue how that works. But the vented calculator is way off. Tried calculations for several woofers and all were fairly ridiculous. Sorry but a 6.5", 2" long port isn't tuning a 3^ box to hit an f3 of 33hz."
A Google user
"Attempted a 4th order. Told me front was almost 4 cu ft and rear was -50 cu ft (yes negative sized box). Infinity recomends 2.2 cu.ft. front and 1.25 rear. Also told me minimum port size is bigger then the 12" speaker."
Jason Idleman
"Can only design boxes for single drivers"
James Schnerch
"Looks like a decent start for an app, glad to see a bandpass option at least. Disappointed there's no ability to specify box volume and generate response plots accordingly. Also hoped to find support for isobaric groups. May reinstall if those options are added in the future. Also, an "exit" button would be a recommended addition, had to hit the 'back' button a dozen times to get out of the app"
Charley Buehner
"This app sucks."
james livingston
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Available for Android 8.0 and above