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jelabs · 2 months

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#je labs #diy audio #hifi #triode #high fidelity #vacuum tubes #altec

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takmiblog · 1 month

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MOSFET Single Ended Pre Amplifier (modified)

MOSFET : LND150

Total Gain = 2.05

#diy audio #pre amplifier #single ended #mosfet #lnd150 #reasonable audio #廉価的音響悦楽

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seshaudio · 1 month

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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!

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wardfamilyknox · 1 year

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#diy audio #analog #hifi #tubes

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fuckyeahchinesefashion · 5 months

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soothing video of diy liuma流麻 (a popular type of fandom merch in china) (cr: 路遥星亦辞)

#china #douyin #diy #crafts #tian guan ci fu #tgcf #heaven official's blessing #asmr #audio #liuma

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muchomago · 1 year

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urlocalsupermarketofendocrinosis · 6 months

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first time using the wood burner thing

not beautiful but it was a fun attempt

#the magnus archives #tma #the magnus institute #vigilo opperior audio #diy #woodworking #bad diy project #test 1

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ilaria-jinx · 2 days

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Podcasters Needed

Hi everyone! Hope you guys have enjoyed my blog. I’m reaching out to the general community to see if there’s anyone on here interested in being a part of a podcast project between myself and @arlen-oliver .

We’re working on two serial fiction podcasts (and subsequently creating a production company to put them out); one is fantasy, the other is sci-fi. Given that this is a huge undertaking, we’re looking to see if anyone outside of our small sphere of real-life people would be willing to get involved. We’re looking for voice actors, editors, artists, or a mix of all three or someone who wants to do something entirely new.

If you’re interested in learning more, please join the Discord Server at the link below!

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comedycraze · 1 month

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SHOP NOW

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auberylis · 1 year

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I MADE A FUCKIN' FIXED FILTER BANK MODULE WITH MY BARE HANDS

and a soldering iron. AND i'm giving all the deets on it to you 4 free!

That's right. 10 discrete core VCAs, followed by 10 fixed frequency bandpass filters, all controlled by a set of macro controls like the scanner and odd/even band CV and audio inputs, mixed down using a two-bus switch-selectable audio summator. Why? Because why not to divide your complex audio source into separate tiny little bands, and then control the volume of each one in weird ways for fun? Really though, check out what feeding it some white noise and sequencing the scanner thing alone can do, with a bit of end-of-chain delay and a short envelope to all bands thrown in.

I designed and built this in about 3-4 months, but most of this time was spent sitting and staring at the box with parts in dread. This is a hardcore build, the most hardcore SDIY build i did so far. How do the GUTS look like? Well, here's how - it is a battery of PAIN built of pure MADNESS, although a fairly orderly and manageable one. If someone manages to build this, i will probably send them a congratulatory postcard and a free module.

Oops, all veroboard! Also, power and master signals delivered to them via bare wires skewering the ten boards behind the unit. What a beauty - definitely a safety auditor's dream, too! :3

This all took a considerable amount of time to wire and debug. But! If i did it, humans can do it, because i am a human. Which means, if someone really wants to, they, too, can have a cool filter bank. For this reason, as usual, i wrote up on this thing on my website. Not only what it does, but the schematic, the veroboard layouts i used (you better not use them directly and instead make them better first), circuit notes, more COOL audio, photos (although those four are pretty much it), and everything else - all this can be found out there at my cool synth website. So, even if you're just curious for more sound demos, go check it out. And i dare an SDIY enthusiast to actually pull this one off.

Anyways, now that i'm done with this chunk of wires and parts from hell, i'm going to go sleep my happy sleep of a girl who owns one vast entire extended fixed filter bank.

#sdiy #modular synth #synth diy #synthesizer #audio

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teddybasmanov · 5 months

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Orion: *tries to kill Deacon* Deacon, the moment he steps into Orion's living space: *goes full DAD criticising his home craft skills*

#nomads tales and audios #nomad's tales and audios #Deacon is a officially a DILF now #deacon #ivan dragoci #seriously the guy tried to gruesomely murder you and you go:#'DIY your dreams - anybody can hold a hammer'

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jelabs · 10 months

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Vintage Japanese Idler-Driven Turntable Part 4: Realistic Mark-7 @ JE Labs Blog

#je labs #DIY Audio #tonearm #hifi #high fidelity #vacuum tubes #retro tech

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takmiblog · 1 month

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LND150 Pre Amplifier ( design plan )

2024/03/24

#lnd150 #2sk4150 #pre amplifier #diy #diy audio

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seshaudio · 2 months

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Reviving this tumblr page 10 years down the line, to post some updates on my upcoming Omnidirectional speaker project

In brief: I want to design and build a set of speakers that play high-fidelity, omnidirectional sound, for the primary purpose of running UK/Jah Shaka style dub and reggae sessions.

I'm currently most set on Awassa Sound System, but really like the relevance and cheekiness of Omniscience Sound/Hifi. I think Awassa has a better ring to it, and an air of mystique, even.

Here's a breakdown of the plan so far:

As for order of operations: Step 1:

Make a cheap and cheerful prototype of the MBL drivers. I just want to cut my teeth on the hardest part, to start building familiarity with the materials, principles, and manufacturing processes that will be involved in the build of the larger, final version.

If my friend who's into CAD and CNCing is willing, have him whip up some test lenses.

Use recycled drivers from old, cheap speakers as much as I can to keep initial exploratory costs down.

Find an active cossover unit that I can use to test different crossover frequencies with the different driver designs

Step 1 will be considered finished when I either have a working, not-awful-sounding radialstrahler, or have decided to abandon that aspect and am comfortable focusing on other methods for making omnidirectional sound.

Step 2:

Work on the other parts of the tower, namely the horn-loaded lens tweeter, the mid-bass lens, and the lower cabinet (lots of flexibility for internal design with the cabinet).

The cabinet (and maybe the horn lenses) will require learning to use a speaker simulation software

The bass scoops can come later, as there's not a lot of point building small/low-power scoops

As soon as I have a sense of what the appropriate crossover frequencies will be, order a custom dub preamp such as the RasFX Mini Pre

Get a set of relatively affordable power amps to drive the whole thing. 4 channels for a single tower to start with

Step 2 will be considered complete when I can gift (for cost of materials) a MK1 pair of these speakers to a friend of mine who's into sound system too - and of course build a set for myself!

Step 3:

Assuming everything goes smoothly in Step 2, work on scaling everything up. Size, power levels, etc. The rough goal is to be able to power a party with around 100-200 people. Maybe more, eventually

Try to figure out a way to be able to retain the functionality of a dub preamp for playing reggae, but also run the system in stereo for when I want to play

Build a set of scoop style subwoofers. The more, the bigger, the better!

Step 3, and thus the main body of the project will be considered complete when I have a fully functional, high-power sound system able to at least impress, though maybe not directly 'compete with', the current generation of younger sound systems like Indica Dubs, Ital Power, Creation Rebel, King Majesty, Sinai, and other such outfits.

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Step 4:

If everything up until this point has gone very well, and I feel confident with the various technologies, try to develop the designs to a point where it can stand as a single 'totem pole' style tower that can play to a decently-sized crowd of people.

I picture taking something like that to e.g. Boomtown Festival, and decorating it in all sorts of wacky space-age or mystical art. I think the fung shui of a single, central sound source would be really unique in a festival setting.

The big barrier is that omnis, when places inside, rely on walls and surfaces to create the feeling of 'omnipresence'. Outside, I'm not sure that'd work at all, let alone

Step 4 being complete would inherently require my sound to be powerful enough, high-enough-fidelity, and well-known enough to be included when people talk about "well-established" sound systems. The totem pole thing is a bit of a gimmick, let's be honest.

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Imaginary step 5: If my work on this project can inspire more people to think outside the proverbial speakerbox when it comes to building reggae sound systems, I'd be a happy camper!

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twigsandhearts · 5 months

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How nerdy is it of me to make a patch for my jacket based on my own podcast? (asking for a friend)

#definitely not about me #audio drama #podcast #punk #patchwork #patch jacket #battle jacket #diy punk #indie podcast #lgbtq #audio fiction #diy #diy projects #indie #lgbt fiction

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ortie-pnk · 8 months

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We are supposed to interact with the web we visit. We are supposed to upload and download. We are supposed to leave a footprint behind us, other than cookies and trackers.

The web will not stay still, it is perpetually changing and what we are seeing today may not be tomorrow.

Share your things, comment and post.

But also save what you want to keep : write down the name of the artists you follow, download the content you like to stream, copie/paste the posts you want to re-read... We forget faster than internet but it is still fragile. What you got on a disc is far more durable.

#i recently had a shock realising how different is my web use compared to 10 years ago #i generate a shit ton of data but a few only stay on or come from my hardware #i like to extract audio cd so i can make my own playlists and i realised all my recents playlists are web only #i don't own my music i cannot listen to it without internet and some corporation #same goes with the movies or else #deleting my twitter account i lost touch with a lot of visual artists i liked #i will go back to buying and downloading #i miss the forums too #i met someone who does physical zines with the instagram memes they liked each month #that's awesome and i want to contribute to make physical things out of internet #i will need a second external disc #also i want to gift physical playlists to people as we did in 2005 #web #tumblr #archive #ao3 #meme #twitter #diy web #streaming

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