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sb10pgc21-4 speaker build
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Old 7th December 2019, 03:04 PM   #1
dhruvpatel00764 is offline dhruvpatel00764
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Default sb10pgc21-4 speaker build

can somebody help me to build speaker enclosure for this driver

SB Acoustics SB10PGC21-4 - 3" Full-range

because I can not figure it out by myself. I tried winisd and some online plans but somehow it didn't work well. i want to keep it simple because this is my first build (check img link).

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Old 7th December 2019, 10:10 PM   #2
djn is offline djn  United States
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Where do you live? Do you have woodworking experience?
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Old 8th December 2019, 08:44 AM   #3
Ugg10 is offline Ugg10  United Kingdom
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Looking at a Qts of 0.92 these are designed to work in a sealed/closed box.
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Old 8th December 2019, 11:13 AM   #4
waxx is online now waxx  Belgium
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A large sealed box seems to be the best, a 50L sealed gives you a reasonable respone to 75Hz (F3), and against a wall to 60Hz (F10). So you will need a sub for a full response.

But these are drivers i would rather use in an OB with a woofer. But they are certainly not fit for ported speakers. High qts and high fs point me to that. With a large sealed one, it can work. A small sealed one give a peaky response on the low end, and moves it to 100Hz
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Old 11th December 2019, 12:01 PM   #5
jwicaksana is offline jwicaksana  Indonesia
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Hi, I tried simulating this driver in WinISD, green is 6 liter ported tuned at 60Hz, and purple is 6 liter sealed. Tuning at 60Hz gives ~4dB bass boost, and this looks to be the flattest compared to other frequencies I've played with.
- Is it a reasonable tuning? Somehow I calculated 0.707*Fs and indeed it seems the flattest.
- Will it sound natural?

Port tuning, I modified Tony Gee's 103 style, inspired after reading 'Meet the Fonken' article by Dave. Port is slim and as wide as the inner width of the enclosure. Impedance graph shows a small peak below the resonance peak, which according to the article above, indicates a near-aperiodic nature of the enclosure.
Any thoughts, Gents?
Thanks for your time and expertise.
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