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Ready to DIY; starting with a THT low profile sub - Page 3

post #61 of 73
Definitely check the voltage (use AC on your volt meter) when playing a sine wave to see where your levels are. Your amp may or may not be hitting 30 V depending on what input voltage it is getting. Don't check voltage during songs since the voltage reading is an average level.

Did you break in the driver before installing?

It should be pretty damn loud, but I guess that is subjective...and you'd get more output in a corner, but most people don't want to be in the same room as it when at war volume for more than a few minutes.

I like a few dub step songs....I don't like a lot of repetition in my music. That Swagga song really does it for me and sounds pretty incredible with the THT.
post #62 of 73
Thread Starter 
Quote:
Originally Posted by AndreasMergner View Post

Definitely check the voltage (use AC on your volt meter) when playing a sine wave to see where your levels are. Your amp may or may not be hitting 30 V depending on what input voltage it is getting. Don't check voltage during songs since the voltage reading is an average level.

Got it. I downloaded some test tones and hooked up the voltmeter for the leak test. I'll crank up some test tones and see what I can hit.

Quote:
Originally Posted by AndreasMergner View Post

Did you break in the driver before installing?

Yes. I've had the driver for 2 years or so, with intermittent use. It has even been to Burning Man twice already.

Quote:
Originally Posted by AndreasMergner View Post

It should be pretty damn loud, but I guess that is subjective...and you'd get more output in a corner, but most people don't want to be in the same room as it when at war volume for more than a few minutes.

It can definitely get loud. I don't remember the exact number or what frequency, but I've played one of the test tones over 100dB.

Quote:
Originally Posted by AndreasMergner View Post

I like a few dub step songs....I don't like a lot of repetition in my music. That Swagga song really does it for me and sounds pretty incredible with the THT.

Yeah, I don't listen to a ton of dubstep, but I do like it. The dubstep warble sound is appearing all over the place now -- I think I heard it on a show on HGTV the other day. I've been testing my THT with all kinds of music.

-Max
post #63 of 73
Thread Starter 
I was away from this project building some Econowaves and a voice-interactive unicorn. But all the while I have been enjoying my THT LP. Burning Man is fast approaching, so it is time to finish this sucker.

I had painted my THT LP with white primer a while back. I was originally thinking that I could just leave it that way, but I realized that primer isn't really a good finish. It seemed to stick to the towels that it was sitting on a little bit, and generally just seemed prone to sticking or staining. So I painted over the primer with some "Snow White" satin trim paint that I had left over from a recent painting project. It probably would have been better to use exterior paint, but this is what I had, so I used it. It sharpened the look -- brighter white and a little shiny.

I gave that a day to dry and then painted my first bacon strip tonight. Here's how to paint a 6-foot strip of bacon in 5 easy steps:

1. Find your vision of the perfect strip of bacon

2. Print it out.

3. Sketch the bacon on your subwoofer. I drew gridlines at 1/4, 1/2, 3/4 of the length of the bacon strip, and a line down the middle on both the printout and the subwoofer to help me freehand sketch the bacon strip. I just sketched the big lands and didn't worry about precision.

4. Get some paint. I got a Behr sample book from Home Depot and picked some bacon colors. I bought sample-sized containers of Spiced Pumpkin (PMD-80) and Mission Tile (PMD-42). I also got two other colors, PMD-30 and PMD-22, but I don't think I'm going to use them.

5. Paint! I used a single foam brush for both paints, and just squeezed out on a paper towel a bit between colors. The colors can mix a little without being a problem. You don't need to paint very carefully.

Done! It turned out much better than I expected. The image is quite "baconic" even with just two colors and my unskilled painting. I've got another strip to paint on the other side.

I also included a pic of the "fried egg" pillows below. This will be both a sub and a bench at my Burning Man camp. I'm debating whether I should paint the top a dark gray / black so it looks like the eggs are on a pan/griddle. Or maybe paint a "veggie bacon" strip up there. What do you think?

For anyone who is going, our theme camp is the Rancho Amarillo Collective at ~4:20 between C and D. You are quite welcome to stop by and see how it turns out.

-Max
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post #64 of 73
Thread Starter 
I painted another six foot strip of bacon on the other side tonight. This time I got a little fancier and used all four colors and more blending.

Do you recognize this famous piece of internet bacon?
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post #65 of 73
Great job!
Now you need a mate for it!
post #66 of 73
Looks great Max! Love the bacon and the unicorn.
post #67 of 73
Cool build thread, great pics ! That PL is super stuff, would'nt do a build with out it, wood glue is out for me.

I just finished my second horn sub and its a little adicting.....
post #68 of 73
Thread Starter 
Thanks!

The second strip is from this.

-Max
post #69 of 73
Thread Starter 
The bacon sub performed (and survived) without incident at Burning Man! It played for several (6-10?) hours each day. One of my camp mates used the technique of adjusting the main volume to the level desired and then adjusting the bass volume to the edge of clipping (using a single channel on the A500 amp). The sub was making ample bass; it is just that my camp mate really likes bass. Even under this stress, there were zero issues.

The sub is now standing up in my living room. Perhaps I am just rationalizing, but the bacon paint job actually looks pretty cool -- like "pop art". The sub can easily shake the whole house without even breaking a sweat.

The Econowave SRs are back in the living room, too. I'm hooked on the clarity and dynamics.

-Max
post #70 of 73
Add some lettuce and tomato subs.

Congrats.
post #71 of 73
Thread Starter 
I might need lettuce and tomato accent pillows for the couch if this stays in the living room. Maybe the sub needs a bread-like isolation pad.

Thanks.

-Max
post #72 of 73
There ya go!

I would avoid the mayonaise though.
post #73 of 73
Thread Starter 
The bacon sub has survived a second year of Burning Man, including a party with people dancing on it. The sub (and Econowave SR speakers) performed wonderfully.



Now I just have to vacuum some dust out and clean it off so I can put it back in my living room. smile.gif

-Max
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