Quarter Wave Box Calculator

The most common example of a loudspeaker that relies on a quarter wavelength acoustic standing wave is a transmission line enclosure. I have built a number of closed and ported box loudspeakers based on the equivalent circuit models descibed by Thiele and Small. From the outside it would appear to be a bass reflex enclosure. But it cant be mixed frequecies, like a deck with a 60hz boost, and a amp with 40hz boost, you need to cancel 1 freq out, or level the 2 freq's (there will be cancelation, and the sub will sound like its being pushed to hard-boost for tline have to be close to the quarter wave of the box as possible) This allows you to use a shorter tline.

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Join us to find out! • ATTENTION Unregistered - Please take a note of our new with immediate effect. Feedbacks, suggestions and discussion thread. I had been driving from last 8 years now, car audio was very close to my heart, as i spent anywhere from 1:30 min to 2hrs daily back n forth from college.

I did whatever i could with little or no money to upgrade and to customize my sound experience. From SQ to SPL, i did all. Now that i am finally an architect, i could spend more of my time at home for relaxing then worrying about my design to be submitted.

I had gathered a lotta info in music to start carefully in my home audio project, i did some 4-5 custom builds while i was in college for home too but never to seriously and didnt had a lotta space in the room. Well you would know about the space issue, if ur a college student. I tried sealed, ported, 6th order bandpass, dual chamber reflex, dual chamber dual reflex, horn loaded enclosers with drivers ranging from 10' to 3' full range drivers. I had the cdt audio sona pods installed in my room taking care of the 5.0, they are 2' full range drivers, that go down to 200hz.Some of the best speakers i have heard within 1lakh range home theaters from brands like elac, wafedale, tannoy, polk audio and many more, yet costing 1/4th of those big brands. So i needed something that will take care of 30hz to 200hz, yet is punchy, musical and ca go down to 30hz. THIS WAS A BIG DECISION!

Not many 8' -12' drivers go down to 200hz and roll off to a 6db slope beyond with a flat yet musical response, and those which are, costs a STEP 1: Decide the equipment! Not all spkrs/subs sounds sweet and comfortable in a t-line. Not all spkrs/subs are designed to be used in t-line too. If you mates have a some understanding abt theil-small parameters, look at the Fs of the spkr/sub. That will tell you the tuning freq to use the thing at.

The qts and qtc will tell you if the spkr/sub is suited for the t-line. Custom kube printer driver windows 7. Then there is the box rise!! This is a killer, lesson for some other day.

I picked up a pair of CDT audio Qes 680 6.8' drivers. This is a amazing little puppy. Awesome in vocals, yet a deadly sub-bass driver! With a xmax of 15mm and xmech of whooping 25mm! This small little driver will sure move lots of air. Also they fit the puzzle of a driver being musical, which can do vocals, yet acts like a sub.