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Tarheel

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9 minutes ago, Dave1290 said:

You better hope Mama doesn't see that @dtel!!

About the in ceilings, she knows, she could care less about what it takes to run it all or why, but if she does not like the sound she has an opinion. She picked out our best speakers which are the biggest,  she heard them and said that's what we want, I thought she was kidding.

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59 minutes ago, dtel said:

although he has somewhat let a few go over the years.

Hmmmm, I wonder where......

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I have no idea, but I would bet it was like giving away kids, he was attached to them. I did get a rough pair of Heresy's from him many years ago for the shop, there in the tiki bar now painted black and behind a net, and they sound good out there.

 

Was that where you got a pair of industrial LaScalas? If so I know where they might have come from if it were the same pair. I picked up a pair for him from Pontchuila la, they were from a retired collage music teacher. We held them here for a few months listening to them until he could get them.

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55 minutes ago, dtel said:

Was that where you got a pair of industrial LaScalas?

Yes, and a few other goodies.

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anyone get out to see the meteor shower ? Me either.

If/when I do, it is for as long as it takes to have a smoke. I'd rather look at the inside of my eyelids.

 

last of the Kona... Yay! I know some of you are thinking I'm nuts.... join the club. Looking forward to cracking the bag of Mexican.  It don't need to be fancy to be good.

 

still scanning cl for upgrade stuff for the doghouse.  I see a pair of CW for $1000.  Would be nice, though the footprint is a wee big. I don't have much space to work with .... before I need to eject some stuff.  Been some nice gear for sale. I don't know that much of it is a deal or not. Kinda looking for a [this is a little incongruous] decent sounding pair of bookshelf speakers.

 

Dumb Q

How long of a horn does one need for a sub?  Thinking a straight [as opposed to folded] horn. I know... A lot of variables. What frequency range. Size of driver. Efficiency.... Any general "rules of thumb"?

 

 

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6 minutes ago, WillyBob said:

How long of a horn does one need for a sub? 

No set length.  The longer the horn the lower it will go.  No rules of thumb.  You can learn to use Hornresp and play around with drivers and lengths.  It's like winisd for horn enclosures.

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2 hours ago, WillyBob said:

anyone get out to see the meteor shower ? Me either.

Did not go for long, a slight haze with the bright moon made it not very good, maby a couple faint streaks but just to much light.

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3 hours ago, WillyBob said:

still scanning cl for upgrade stuff for the doghouse.

Normally I wouldn't suggest it but hiring a contractor can be great.

391565-construction girl....jpg

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Uh huh!!!

What the name of that construction company?

I could watch them all day. Might even make coffee and lunch for them.  I self-censored a lot of comment/s.

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4 hours ago, CECAA850 said:

No set length.  The longer the horn the lower it will go.  No rules of thumb.  You can learn to use Hornresp and play around with drivers and lengths.  It's like winisd for horn enclosures.

 

I was thinking simple.

8ft long. Bell end 4 ft X 2 or 3ft tapered down to a 12 or 15in driver. 

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9 minutes ago, WillyBob said:

 

I was thinking simple.

8ft long. Bell end 4 ft X 2 or 3ft tapered down to a 12 or 15in driver. 

 

Just do it .... maybe add wheels...

 

 

Horn_loudspeaker_truck_1929.jpg

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1 hour ago, WillyBob said:

 

I was thinking simple.

8ft long. Bell end 4 ft X 2 or 3ft tapered down to a 12 or 15in driver. 

Flare rate is a thing.  You can't just go randomly from small to big.  Of course you can actually but it probably won't work as well as it should.

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6 hours ago, CECAA850 said:

No set length.  The longer the horn the lower it will go.  No rules of thumb.  You can learn to use Hornresp and play around with drivers and lengths.  It's like winisd for horn enclosures.

 

Its not just the length that determines the tuning frequency but it plays a part.

 

Taper rate, throat area, and mouth area makes a difference as well as boundaries at the exit.

 

For instance the THT and Table Tuba are the same length but act very differently or the wider the cabinet the more efficient the bottom end. You get the idea...

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from looking at brass horns, musical instruments, it appears that taper is fairly gradual.  I imagine there are some taper ratios that would be beneficial in design.

tubas are 16 -20 feet long..... thanks google

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Is that green shag carpeting?  :emotion-41::emotion-41: Matches the LED readout on the RtoR I guess.

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32 minutes ago, Tarheel said:

What horn is that?  I like the CD racks too.

Looks like @richieb 's old speakers.

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22 hours ago, windashine said:

Just do it .... maybe add wheels...

 

Don't too much urging.  Having stupid thoughts of using some alternate construction techniques to make a set of stationary horns of concrete... double as lawn sculpture. It will never happen... but I think about stuff like that.

 

I'm trying to get a grip on horn dynamics and I am a "hands on learner".  I can read tech stuff...  don't really understand until I see/feel it in action.

 

 oh

there's some Altec bins and horns for sale on Phoenix cl. The tops reminded me of @Tarheel's LaScaltecs

 

 spent an hour showing a friend how those little carbs on 2-stroke power equipment fail.  I dislike power equipment repair... a lot.  Did it for a couple years.  I get sick when I smell stale gas. That is an associative thing. And the smell clings, just to remind you.  I get the same feeling when I smell gear lube, too. Bowling alley --- gearbox repairs.

As I've gotten older, I don't enjoy working on cars either.... especially if it's mine.   

and then I told my friend to get a carb for his weedeater and I would help him put it on.

 

 

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