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The next project after the last one (Read 102703 times)
Donnie
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Re: The next project after the last one
Reply #250 - 09/19/21 at 21:03:21
 
Done!

These things sound phenomenal, look better than my average speakers.

Now to play the crap out of them and see how much better they sound with some serious hours on the drivers.




The wood sure is purdy!!






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Re: The next project after the last one
Reply #251 - 09/21/21 at 04:38:56
 
Those REALLY look sharp Donnie!!!!!!!
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Donnie
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Re: The next project after the last one
Reply #252 - 10/09/21 at 02:02:05
 
OK, after a few weeks of "loosening up" my new speakers I will say that I truly like them.

Right now my Torii is pushing them pretty hard and they really sound good in my room.

The bass is truly impressive, they hit low and they hit hard, but with great control.
Mids are very sweet and the tweeter is very revealing but not harsh.

My only problem so far is that I don't really have a name for them.

The red topped Koa sided speakers is a long and clunky name.

Anyone got a name for them?

Now I need to figure out what's next to build??
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Re: The next project after the last one
Reply #253 - 10/09/21 at 08:59:44
 
How about The red faced Hawaiians?
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Re: The next project after the last one
Reply #254 - 10/09/21 at 12:32:22
 
Hula Koa's would be a fine name Donnie.

HK
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Lin
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Re: The next project after the last one
Reply #255 - 10/09/21 at 13:47:59
 
Testa Rosa Koa
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Re: The next project after the last one
Reply #256 - 10/09/21 at 14:10:44
 
Lin, You nailed it!
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Re: The next project after the last one
Reply #257 - 10/10/21 at 06:23:07
 
When you posted your first picture of the Koa wood, I did not see how it could become pretty.
It is now beautiful! I really like the golden glow.

But best is how good they sound.

Brian
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Re: The next project after the last one
Reply #258 - 11/06/21 at 02:32:37
 
OK, now for something completely different.

Well maybe, I guess. See how I'm hedging my bets there.

I was looking for some sort of different speaker design and I stumbled onto some very cryptic plans for "Negaoka Tetsuo Swan folded horns" when I was looking at some Fostex drivers at Madisound.

The website for them looks like it is from the late 90's if not earlier. It is in very poorly translated Japanese to English format that makes it kind of fun to read.

Anyway these speakers seem to be some sort of transmission line for a 4" Fostex driver and is somewhat modeled after a swan (yeah the bird).

Has anyone ever seen or heard any of these??

Am I stupid for even considering building something this, uh, interesting, yeah we will go with interesting.

The Web site for them:   http://spida.art.coocan.jp/eng-page7.htm

A truly bad photo:



Some sort of "Plans" that look like they were drawn on the back of a Kentucky Fried Chicken tub on the 4th day of some sort of hallucinogenic drug binge, perhaps Peyote or Psilocybin:





I kinda wish I drank or did drugs, that way this type of behavior could be explained. But I'm so pathetically straight laced a Diet Dr. Pepper keeps me awake for hours past my normal bedtime.

By the way, can anyone tell that I've been reading a lot of Hunter S. Thompson books lately?
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Re: The next project after the last one
Reply #259 - 11/06/21 at 13:50:40
 
That's really an interesting “cabinet” and I admire your ambition to make sense of the design.
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Re: The next project after the last one
Reply #260 - 04/16/22 at 02:37:17
 
Well my winter sabbatical is over. The weather has broken enough that I can work out in my garage, well at least after I cut the damn grass.

So today I knocked out a project that I had promised a good friend that it was the absolute next thing that I would build.

After a few hours of a hackin' and a wackin' I was able to produce 1ea. of a 12" Hsu diver infused powered subwoofer, complete with a Parts Express 100 watt plate amplifier.

Other than the MDF, the project was just "stuff" that I had laying around from other aborted projects.

All I can say at this point is that if you turn all of the knobs up all of the way it makes big uncontrolled  thudding-thumping noises, just like all of the $500 cars with $5000 stereos sound.

Job done, mission accomplished.

Action photos!





Even more excitment!






And the money shot of it actually working.





Next up:

A pair of 4" Mark Audio full rangers and 2 ea. of some 6"X1" X6' hickory boards.

Hard telling what I will come up with. I would like some stand mount monitors, so I have that going for me.
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Re: The next project after the last one
Reply #261 - 04/23/22 at 21:15:59
 
I was hoping to see a red headed swan.

Had a pair of real ones, with looooong necks, fly over this morning.  They make quite a racket.

Dan
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Re: The next project after the last one
Reply #262 - 04/23/22 at 23:04:23
 
Dan,

The Swans are still on my radar. Maybe later on this year after I have a couple of projects back under my belt and my skills sharpened a bit.

This morning I knocked out a "Dice Tower".
A guy that works for me is a big board game player and they use these tower thingies to take out any skill that someone could have in throwing dice.

It will be red and Koa, I have my standards!

Something like this:


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Re: The next project after the last one
Reply #263 - 04/28/22 at 20:45:51
 
So I've been on vacation this week goofing off and making stuff to feed my addiction of speaker building.

I first built this little "dice tower" and finished it in Koa and red.
The Koa has "Tried & True" Varnish Oil with Bee's wax over it. Pretty.



The sub that I was building for my friend finally got paint, he likes white.
I have it in my listening room right now and it defiantly picks up the bottom end.



I also knocked out a pair of full range stand mounts that may or may not be given to a relative. I kinda like them right now.
They use a 4" Mark Audio paper cone driver.
The sub comes in handy for picking up the low end.




I suppose that my romance with these speakers will fade away when the sub gets delivered later on this week.

My idea of relaxation is weird.
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Re: The next project after the last one
Reply #264 - 04/28/22 at 23:59:31
 
Donnie wrote on 04/28/22 at 20:45:51:
My idea of relaxation is weird.


We like the pictures (of things you make).
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Re: The next project after the last one
Reply #265 - 04/29/22 at 02:15:53
 
Plus I know the secret of how to post multiple photos in a single post!
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Re: The next project after the last one
Reply #266 - 04/29/22 at 03:41:19
 
I know how to, do we get bonus points or something? Cheesy
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Re: The next project after the last one
Reply #267 - 05/14/22 at 00:03:08
 
It has been a weird week, I was off but preoccupied with "family" issues.
But I was able to keep my mind off of the bad stuff by working on the pair of small stand mount speakers I'm building.

Introducing the Blanco Koa's.












They are for my nephew in law who wants to listen to Jazz on them.

The drivers are Mark Audio 4" paper cones and they produce no bass to speak of!  Maybe a sub will need to be made.

I kinda like how the white goes with the Koa.
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Re: The next project after the last one
Reply #268 - 05/14/22 at 12:52:54
 
The white is a nice crisp look playing off the koa. Really nice.
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Re: The next project after the last one
Reply #269 - 05/14/22 at 16:36:45
 
Donnie, I do believe that that is your best work. You must admit that those look better than red Smiley
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Re: The next project after the last one
Reply #270 - 05/14/22 at 19:29:48
 
Thanks Edward and Geno,

I do agree that they came out looking pretty OK.

Next up are stands and possibly a sub, maybe..
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Re: The next project after the last one
Reply #271 - 05/15/22 at 23:51:06
 
A matching sub would be sweet, especially a downward firing unit to show off that veneer.
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Re: The next project after the last one
Reply #272 - 06/16/22 at 23:27:46
 
Does anyone have a recommendation on a "kit" stand mount speaker.

I want to build something fairly nice and figure a kit build would be kinda fun.

I'd probably think about spending $1000-$1500 on a kit for the parts and then do something nice for the enclosures.

So do I look at Meniscus, Madisound, GR-Research, CSS?

I did the Troels Gravesen towers last year, now I need a stand mount.

I'm open for suggestions.
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Re: The next project after the last one
Reply #273 - 06/17/22 at 13:18:11
 
Danny @ his own company GK Research

https://gr-research.com/diy-loudspeaker-kits/

If you want to stretch out a Little Bigger Crites has some horn loaded designs


https://critesspeakers.com/crites-speakers.html

Particularly this book shelf https://critesspeakers.com/crites-speaker-cs-1t.html
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Re: The next project after the last one
Reply #274 - 06/17/22 at 14:32:33
 
I built GR's X-LS kit, a really fine sounding stand mount speaker that lands right in that budget including the CNC mdf cabinet kit. It really plays well above its price point. Also, have a look at his quasi open baffle (tweeter only) NX-Studio design because it also fits into the higher end of your budget and you can get the waveguide baffle in a nice hardwood to add to your own cabinet build.
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Re: The next project after the last one
Reply #275 - 07/24/22 at 03:17:18
 
All right, family tragedies are behind me now, so I can throw myself at a new project.

I've decided to build a MTM version of my Rocker speakers.

Again, I really need to do a little research on this type of speaker before jumping in hip deep, but I have learned the best stuff by making terrible mistakes and then fixing what I screwed up.

So the plan is to put 2 Silver Flute 8" woofers with a single Hi Vi ribbon tweeter betwixt them.

So I cut up some MDF this morning, oh yeah, also some Hickory that I had laying around.





Why didn't anyone tell me that hickory cuts like 4140 prehard steel!
Holy crap , I had no idea things would be smoking while I cut the boards up. My carbide end mill in my hole jig is now due to be replaced.
Coatings are needed, TiALN, or something.

But I persevered and things came somewhat together.



I slapped a preliminary coat of Tried and True varnish oil on one of the baffles to just see how it looked.



I think that it might look ok for a garage speaker.

Maybe tomorrow I will glue up some of the other parts and see how this will all come together.

I do have a question:
I have to paint the MDF, what color goes with a hickory baffle?
Black? White? Probably not red.
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Re: The next project after the last one
Reply #276 - 07/24/22 at 04:24:47
 
Those are beautiful, Donnie!
Smiley Smiley

In my own space, I have moved away from everything black and gone full white.

I know paint is the cheapest thing we have with adjusting to rooms, but my room as it is, is a yellow and white sunroom.
New space and all, I went to the whites for my new paint, even on old black things that needed a nip and a tuck to make them a part of my new space.
White is almost like burden free it feels like in my room.



I might suggest a light tan to flow along with that beautiful hickory, but that was not in your list.
Choose a line of grain and match one?
But if you're planning on a shiny piano finish, it's hard to beat black.

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Re: The next project after the last one
Reply #277 - 07/24/22 at 16:58:59
 
Very Nice, Hickory Baffles will do well in the garage.
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Re: The next project after the last one
Reply #278 - 07/24/22 at 17:04:32
 
Nice work on the baffles. For garage speakers I recommend flat black. Won't show all the nasty stuff that will be floating in the air and accumulating on the surface of the speaker.
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Re: The next project after the last one
Reply #279 - 07/25/22 at 01:53:58
 
Very nice Donnie!

Hickory is not something I work with often. Last time I blew out a Milwaukee drill trying to drill 1/2” holes. My own fault not starting smaller and working up.
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Re: The next project after the last one
Reply #280 - 07/25/22 at 16:12:58
 
A nice satin black would really compliment that gorgeous baffle.
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Re: The next project after the last one
Reply #281 - 07/25/22 at 19:40:10
 
 I swore off hickory after the first time that I used it. There might be a secret to cutting it without destroying blades/bits/all the rest. Even sandpaper doesn't like it.
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Re: The next project after the last one
Reply #282 - 07/26/22 at 02:01:44
 
Honestly, Donnie, I thought the garage reference was a joke mainly due to how damn awesome the hickory looks, but also your choice of drivers.

I would go with semi-gloss black for a garage system. It's easy to wipe down, vacuums clean, easy to touch up when something falls against it, goes with anything.

Hickory is for real men.  
Cool
I watched my grandfather, sitting on his back porch, replace, smooth, shape and fit a hickory handle onto his axe using his pocket knife. He started with a log and a hatchet. Took him all afternoon, but he was not in a hurry. He was between farm chores. Kept a stone handy for his knife. Finished it up with course steel wool and linseed oil.
Grin
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Re: The next project after the last one
Reply #283 - 07/26/22 at 10:33:26
 
I'm leaning toward semigloss black, like everyone says it is the easiest to keep clean.

And yes, these are being made as a pair of garage speakers for a friend of mine. He likes how my original pair of Rocker speakers sound in my garage, so the plan was hatched up to make a pair with two 8" drivers to see how that works.

My garage system has evolved through the years from totally outrageous with twin quarter wave subs made from concrete forming tubes, to where it is now with just a pair of speakers.

While the hickory is pretty, I don't think I will be hacking many more speakers from it. It takes sharp tools and makes dull tools out of them real quick.
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Re: The next project after the last one
Reply #284 - 07/26/22 at 15:04:40
 
Shoot! I never worked with hickory before. Now looking at some local stuff.

Wondering if slowing down the cutters and feed rate would ease the overheating of the cut?
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Re: The next project after the last one
Reply #285 - 07/26/22 at 17:13:18
 
I would imagine that reducing the SFM (spindle speed) would help. There would be less heat at the cutting edge. Your feed would need to come down with it also so that the chip load would remain the same.

Sorry for the technical jargon, I apply cutting tools for a living!

My table saw doesn't have a way of slowing the spindle down but my router does. Unfortunately my tools are already toasted, the carbide is blue, not a good thing.

But the hickory sure is pretty!
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Re: The next project after the last one
Reply #286 - 07/28/22 at 23:38:54
 
Donnie,
Yesterday, I was looking at 1/2" straight router bit that was abused by me of course. I worked on cleaning and sharpening it just a touch before I wondered just how much time it would actually take to get it back in shape. Maybe it really is toast.
I resharpen my pocket/box razor knives because it takes no time to get them in good order. My grandfather was a barber, so maybe thats why I do it.
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Re: The next project after the last one
Reply #287 - 07/29/22 at 01:32:45
 
4krow,

If the bit is carbide it will be a bear to sharpen.

Normally we start with a green grinding wheel that is made for carbide and finish with a diamond wheel. You have to be really careful with edge prep, too sharp and the edge goes fast, too dull and it doesn't cut without a lot of pressure and heat.

High speed steel is a bit easier to sharpen because you can use normal stones. HSS will also last longer with a upsharp edge because the steel is a bit more malleable.

I'm looking into finding some bits with a coating, probably TiALN or possibly TiCN.
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Re: The next project after the last one
Reply #288 - 07/29/22 at 23:35:09
 
Well instead of toiling for "The Man" today I made something!

A lot of gluing and clamping got me this.





The Hick Rockers







The next steps are to round over the corners, then sand and put the various finishes on.

Well at least after the glue dries for a day or two.

They ain't too shabby sounding for a garage speaker. They might end up in my friend's living room after he listens to them.
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Re: The next project after the last one
Reply #289 - 07/30/22 at 01:08:05
 
Those are great, Donnie! The Hick Rockers definitely look more like homestead builders that garage fodder.
Wink

Just curious, but have you played with the porting much?  Or did this alignment come from trusted software?
I don't know the drivers, but the enclosure looks to be tuned low.
Curious minds and all.
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Re: The next project after the last one
Reply #290 - 07/30/22 at 03:12:36
 
DD,
They are tuned to 48 hz according to the calculator I use.

Just what it ended up being when I used stuff I had laying around.

Normally when I make these speakers with only one driver it is a 2" diameter X 3" for a tuning of 51 hz.
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Re: The next project after the last one
Reply #291 - 07/30/22 at 08:55:41
 
Boy that hickory looks to be a bit brittle. Looks like you had a chip blow out between the two drivers on the left speaker. I have an appointment tomorrow to check out some kiln dried one inch rough sawn hickory. Might just get a few board feet to experiment with on my machinery. I really like the looks of those baffles!
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Re: The next project after the last one
Reply #292 - 07/30/22 at 12:09:08
 
Yep I had blowout between the tweeter and a woofer. I cursed under my breath when that happened.

I will say that by that time my carbide cutter was showing signs of distress from cutting the hickory.

But yes, it sure is pretty, in a rustic sort of way.

I might get real motivated today and burn up a bunch of sandpaper sanding these smooth.
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Re: The next project after the last one
Reply #293 - 07/30/22 at 12:23:25
 
They look nice, especially on those stands.
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Re: The next project after the last one
Reply #294 - 07/30/22 at 14:45:34
 
Under your breath? Come on now, we know. I would probably have kicked something that would hurt me more than it.
Nothing taken away from the beauty by a chip out. A glued in scrap, some light chisel work and all is well, as you know.

Hick Rockers RULE! I love your name for them.

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Re: The next project after the last one
Reply #295 - 07/31/22 at 02:26:52
 
So today was sanding day. Fortunately I enjoy sanding, it is a Zen thing for me. Take something big and start from a small nice place and make it all nice.

Currently I have applied 2 coats of Tried and True on the hickory.
It makes the surface so touchable.

Tomorrow, if I feel motivated, i will clear shellac over everything, sand flat and then start the semi gloss black work.
Na, I'll probably lay around like a cow turd in the feed lot.
But hope springs eternal!

Action pic from today.



Not too bad for garage speakers.
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Re: The next project after the last one
Reply #296 - 08/01/22 at 12:32:51
 
I can understand why you swore under you breath Donnie. Sometimes those little errors add up! I known, been there many times. Wood has to be one of the hardest things to make accurate layout marks. Those annular rings really play hell on markings. A template helps with the problem but not realistic for one or twos.

I scored some hickory yesterday with Randy style open baffles in mind. There was one inch that was kiln dried available but really wanted 2". When I asked if he had any we walked to another stack outside and found 3 pieces cut this spring air drying on a stack of mulberry.

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Re: The next project after the last one
Reply #297 - 08/13/22 at 21:54:21
 
Well back to my regularly scheduled Saturday after fighting off a virus of whom we shall never again utter it's name in polite society.

The Hic Rockers are done as far as I am concerned.
The Semi Gloss black paint went on without too much of a fight and dried in what seems like seconds compared to the full gloss paint I usually use. Two days in on the gloss and it is still tacky.

So here they are in their full glory in my garage, filling the room with a nice punchy sound.



And a couple of shots of them in my listening room.







This was a pretty good project other than it was filled with death and illness.

What would normally take me a couple of weeks has been drawn out since May. I'm getting slow in my old age.
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Re: The next project after the last one
Reply #298 - 08/13/22 at 22:27:35
 
Glad you are finally feeling better and hope that continues. No relapses, no long stuff. We need that hammer strength on tap.

Those look very impressive. As I noted before, I like the look of that grain.
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Re: The next project after the last one
Reply #299 - 08/13/22 at 23:28:45
 
Donnie I understand, its a drain. Glad your being inspired. Looks very good.
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