Parts express 9th

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• Parts Express Speaker Grill Cloth Gray Yard 70 Wide
• PRIME H310M-K
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• Parts Express Auger Unloader AH201743 Horizontal
• 12-15 Painted FOR Honda Civic 9th Rear Roof Lip Spoiler Wing Window Visor Sedan
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Parts Express Speaker Grill Cloth Gray Yard 70 Wide

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Desire to learn and share knowledge of science required as is 20 years of participation in forums not all true. Come here to have fun, be ready to be teased and not take online life too seriously.

We now measure and review equipment for free! Click here for details. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Thread starter amirm Start date Apr 18, First Prev 5 of 8 Go to page. Joined Apr 12, Messages 1, Likes 1, Any hardware store will sell runs of foam gasket tape in various density and thickness.

Also you can use rope caulk which is very common and often used for this sort of thing. Do not use to thick of foam or to much rope caulk, you will bend the woofer frame trying to compress the material.

You can also use a think bead line of quality silicone caulk. Let that dry for awhile half dry and then mount the woofer. By the way the paper gasket is not that bad and really is prolly not the problem, paper is a great material in certain gasket applications. Click to expand Speaker-Inquisitor Member. Joined Nov 19, Messages 25 Likes Winkleswizard said:.

While agree some internal damping is good practice, get that it would add to the cost. My Bassbox sim of the C-Note suggests you would get rid of the Hz port resonance by shortening the port to 4". You would also get a much lower f3 of 68 Hz. Along with reducing a step in the build no need to glue the port , you gain more bass extension. Sounds like a win-win. Any reason you would not recommend tuning to the lower f3? Last edited: Apr 20, Has anyone tried using o-rings as a gasket for those drivers instead?

Speaker-Inquisitor said:. But you would sacrifice the lower bass regions. Just aiming for a low f3 is [imho] very shortsighted in speaker construction. Especially if you consider boundary gain, it could be benificial to go for the earlier, but flatter drop in bass extension. And a lower tuning frequency limits the woofers excursion where you need it. There are probably great number of tweaks. One that I have played with, but have forgotten a lot of the quantitative results for, is to fill the port with straws.

This doesn't change the port's main parameters much, adds some resistance, but can act to remove a lot of port noise. I remember the venerable Mission used something similar. I do like to get a reasonable amount of damping into any cabinet. It is useful to remember that for most of the frequencies involved the wavelength is much larger than the cabinet dimensions.

There is no bouncing around of waves. There is just flow of air. Until you have wavelengths small wrt to the cabinet dimensions the cabinet is just being pressurised and evacuated.

In this regime stuffing on the walls has less effect. There is of course energy right into quite high frequencies present - harmonic distortion can mean significant energy at quite small wavelengths. Good for hitting modes that one might have imagined were not going to be energised. Francis Vaughan said:. Thomas H Member. I have to admit, that I was pleasantly surprised by the performance of such a cheap DIY kit. I am into DIY for 1. So it is good to see, that even cheap kits may perform well within reason , objectively.

Curious to see more of those measurements, but my own speakers are a little on the large side to ship them to Amir, unfortunately. Joined Nov 7, Messages Likes ChrisP said:. Yep, the C-note is one of mine. I am the speaker building product line manager at Parts Express, I have a hand in a lot of our kits.

Joined Aug 24, Messages 57 Likes Well, 20" is pretty much a full wavelength of Hz even worse , and the height and depth is a half wavelength of Hz even worse Gee, now I'm secong guessing the dimensions of the C-note center, lol. Just kidding. So, I suggest decent damping material in all enclosures. Even if you just add a couple handfulls of wool or Acousta-Stuff to the cabinets standard pillow stuffing polyfill and dayton batting is not very effective, just for the record.

Lining the walls with something like fiberglass itchy , Ultra Touch denim not itchy , or the self adhesive Sonic Barrier recommended, but keep in mind, I am biased is always the best option. Even cheap open cell foam is pretty darn effective, not great but it works. Shows how much I know about speaker design that I missed the obvious fact about it being a full wavelength!

Thanks for the suggestions. Winkleswizard posted results of testing with the damping and shortened port this morning, and it seems that with both tweaks, the resonances disappeared. Sounds like just lining the bottom half of the the interior with dampening might get rid of the resonances without effecting the base response, addressing the only criticism that Amir had in the listening tests. Last edited: Apr 22, Can confirm the rise in distortion around 3kHz is the woofer and my results are very comparable to Amir's originally posted measurement.

This is as I would expect as the woofer is at the higher end of its range and the tweeter is early on in its usable range. Make your own judgement on audibility. Still a very likable speaker for the price! Last edited: Apr 23, It doesn't look like the woofer is near losing it at 3k, and in this graph of distortion from a customer review on Feb 2 , there isn't that bump in distortion that Amir found even with the smoothing, you can those bumps at and :.

I found some measurements of the woofer's distortion and there is a big peak at around 3k Plenty for me! It is not the first or last driver that will have distortion - it is all a matter of the imperfections and tradeoffs in the driver design.

Unlike the port resonance issue, this one is not likely to have a quick fix. If you cannot tolerate, then there are other designs. Even in speakers that cost times more, you may find drivers that have comparable issues. I built a set of these about a month ago. I built them with additions without any previous experience with them, so i can't compare to vanilla C-notes.

Changes: - Wooden dowl glued across the two side panels. Plan is to use as desktop speakers with a small sub. View attachment Here they are minutes after finishing them. Threw them up on top of the DIY swan kit for a size comparison and a quick functional test. View attachment

PRIME H310M-K

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Stores - Electronics

Popular "T" nuts used in speaker systems and other applications where you need strength when mounting items in wood. Packages of FindLaw's Cases and Codes section contains resources and links for both state and federal laws. This includes resources pertaining to constitutions, statutes, cases and more. Run a search for case summaries or select a jurisdiction to browse applicable laws. For additional primary sources and articles on legal practice visit our Professional Reference Material section. Explore Resources For Practice Management. Corporate Counsel.

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This product was mentioned in 3 comments, with an average of 1. If the sounds you are making are within bylaw levels within your own condo, it's pretty much impossible for it to be any louder for your downstairs neighbors. So if they want to be dickheads you can just measure your activities and listen to your music at 47dBA. If bylaw shows up, invite them in and show them your digital monitor.

Parts Express Auger Unloader AH201743 Horizontal

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12-15 Painted FOR Honda Civic 9th Rear Roof Lip Spoiler Wing Window Visor Sedan

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End-of-Life and End-of-Sale Notices

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Screen Replacement for Amazon Fire Kindle HD7 HD 7" 9th Gen 2019

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Washer & Dryer Parts and Accessories

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