#Omnidirectional

[almondcroissantsandink]

faux book cover for the fic Mr. Bluesky by omnidirectional because i read it a few weeks ago, it rattled around in my brain for a while, and I realized i had to draw something for it lol

[cherry-vennom]

Angel

A light in the darkness and darkness itself

😈❤️‍🔥🪬🪽

[seshaudio]

A little kitchen session with the speaker. YouTube Preamp extension to control the frequency bands/delay/dub siren. To be honest the speaker actually sounds best with dub played through the youtube pre - some other styles of music just don't suit it at all. Convenient!!

[netboon]

[newtrendcn]

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[morgan-ingland-limited]

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[sweetmapple]

My favorite buddy WIP

[girldraki]

i thought i was following and then we got hit with the “polyfidelious group dating is a monogamous fantasy” i cannot for the life of me parse which aspect is supposed to be the fantasy

[seraymerichateblog]

she is fucking under attack

[alliswyattonthewesternfront]

you guys ever just think about how camels can kick in all directions. why would god let them do that

[cherry-vennom]

All I do is see

[seshaudio]

Omnidirectional build Mk0

I got hold of a cheap little driver in London for £15. It's rated for 200W peak power, 40Hz-10kHz (so sadly not much high frequency once the lamellae are attached!) I removed the rubber sleever and the dust-cap

Next I used some grocery-store plastic sheeting (what they put up promotion signs/prices with) that can be moulded using hot water. I used a metal grille bent into a curve to make curves out of the plastic, then cut them into roughly the right shape. I made the paper shape guide by just rotation a ruler held at one end - this was totally eyeballed and could've been done much better, more precisely etc.

Then I attached some sticky-backed weather stripping to each of the lamellae (aka petals), and used double-sided tape to stick them onto the speaker cone. I used a log with a notch cut into it, attached through the speaker magnet's central hole with a long screw, to hold the tops of the lamellae.

Then with a bit of wiggling and more double-sidede tape I attached all the lamellae together at the top. I used some washing up gloves cut into strips as (very makeshift) gaskets to mostly seal the gaps between the lamellae. Again, I used double sided tape to do this. To be honest that was the most fiddly part. Washing up gloves cut with scissors are not an ideal Radialstrahler gasket material!

And there it is! It doesn't sound terrible on its own, but as the driver is only rated up to 10kHz (and who knows what impact the radialstrahler build has on the theoretical frequency response!) I had to wire it in to an old bookshelf speaker's tweeter to get a bit more high-end.

I'll make another post with a few more videos of it playing, along with some discussion of what I've learned so far to take forward to the next prototype!

[netboon]

[morgan-ingland-limited]

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[rfantennaindia]

5G 5dBi Rubber Duck Antenna – Reliable High-Gain Performance

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