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16 x 18's in a 1500ft^3 Space - Popalock's Sub Build - Page 13

post #361 of 943
Simple, clone is 9000-14000 watts depending on load. Apply drivers as necessary so you either are amp limited or driver limited. Now 8 SI's should be driver limited unless running an 8 ohm load total then it would be close.
post #362 of 943
Quote:
Originally Posted by AV Science Sales 5 View Post

Quote:
Originally Posted by MKtheater View Post

Clipping the clone does not make sense. Your drivers are 600 watts each and much more they would be in trouble. So even with 16 at 600 watts the clone has more power than the drivers can handle. If the clone clips than your drivers would be in trouble from too much power. So the question is what is the load, are the lights accurate, or something else?

In 4CF it was reported they could take 1,000 watts each.

at 4 ohm stereo, the LG stats "say" 8800 watts. If it is truly able to push that no one has tested, but that is 1100 watts per driver, in 4cuft so the assumption would be correct that the driver is probably close to it's xmax at clipping biggrin.gif
post #363 of 943
Quote:
Originally Posted by MKtheater View Post

Simple, clone is 9000-14000 watts depending on load. Apply drivers as necessary so you either are amp limited or driver limited. Now 8 SI's should be driver limited unless running an 8 ohm load total then it would be close.

Actually, it's not that simple.

If your voltage in is too high for your VPL and gain-limit dip switch settings, the lights can flash well before the drivers see too much voltage.
________________________

"...no one has tested... "

I posted a test results done by a Brit a few years ago on a 10000Q clone. It "buggered out" with a "5 seconds minimum" sine wave at 40 Hz into a 2 ohm load, but it met spec exactly in 4 ohm stereo/8 ohm bridged with no problems.

As most people here are aware, the continuous power (beyond 1 or 2 seconds) will drop to the limits of your mains power source, but for bursts the amps are the real thing.

Also, it's almost impossible to note whether or not the voltage peak limit light flashed or the clip light flashed, so it's a good idea, when you see lights flash, to repeat the scene and setup that caused the flash and get close and note which light actually flashed.

Finally, seeing the VPL lights just means that the amp is doing what it's supposed to; that is, limiting the voltage peak out to the drivers. They'll flash according to where they're set to flash. If the VPL is set to limit at 58V, that's where the lights will flash.

My advice (which will be largely ignored) is do not unbox, plug and play. Get advice on how to properly set up the player to EQ to AVR to clone to drivers signal chain with the clone setup accordingly.
post #364 of 943
Which would mean setting the vpl settings on the back to 120v (with 120v service) not 195v as many were doing, and making sure that the avr/audyssey is not boosting the crap out of a particular part of the bandwidth, aka sucking up a lot of your headroom? I would assume those are the first and more important things to look at no?
post #365 of 943
Seems like the clone is a perfect match then, huh. I wish I had the cajones to buy one. Maybe some day.

Austin, when I clipped my CV I did hear a bad sound from the drivers. Not when the red light just blinks, it was when the light stayed red for a bit - I'll know not to push that hard again.
post #366 of 943
That sound was still more than likely the sounds of the amp crying, not the drivers...the clank of a bottoming driver is pretty easy to hear and you said it wasn't that bad sounding IIRC.
post #367 of 943
Quote:
Originally Posted by beastaudio View Post

That sound was still more than likely the sounds of the amp crying, not the drivers...the clank of a bottoming driver is pretty easy to hear and you said it wasn't that bad sounding IIRC.

Yeah, I asked at the time if it was the amp clipping that I was hearing and Scott told me it was. I knew I wasn't bottoming, it wasn't that bad of a sound just a slightly distressed sound.
post #368 of 943
Quote:
Originally Posted by carp View Post

Yeah, I asked at the time if it was the amp clipping that I was hearing and Scott told me it was. I knew I wasn't bottoming, it wasn't that bad of a sound just a slightly distressed sound.

Yup. I know the sound as I am usually placing myself in the position of being amp limited. Like Beast said it's a far different sound than a hard bottom mechanical limit. The one way I can explain when I clip is usually a 'burbly' muddy sound. An actual bottom would be a loud clank or rip sound. It's awful. The fact of the matter is the craziest of us will probably never experience this kind of thing because we go all out with >4 18" high excursion drivers. And now >8 drivers!
post #369 of 943
Quote:
Originally Posted by bossobass View Post

Actually, it's not that simple.

If your voltage in is too high for your VPL and gain-limit dip switch settings, the lights can flash well before the drivers see too much voltage.
________________________

"...no one has tested... "

I posted a test results done by a Brit a few years ago on a 10000Q clone. It "buggered out" with a "5 seconds minimum" sine wave at 40 Hz into a 2 ohm load, but it met spec exactly in 4 ohm stereo/8 ohm bridged with no problems.

As most people here are aware, the continuous power (beyond 1 or 2 seconds) will drop to the limits of your mains power source, but for bursts the amps are the real thing.

Also, it's almost impossible to note whether or not the voltage peak limit light flashed or the clip light flashed, so it's a good idea, when you see lights flash, to repeat the scene and setup that caused the flash and get close and note which light actually flashed.

Finally, seeing the VPL lights just means that the amp is doing what it's supposed to; that is, limiting the voltage peak out to the drivers. They'll flash according to where they're set to flash. If the VPL is set to limit at 58V, that's where the lights will flash.

My advice (which will be largely ignored) is do not unbox, plug and play. Get advice on how to properly set up the player to EQ to AVR to clone to drivers signal chain with the clone setup accordingly.

Good call! I always forget about VPL settings. I was just lucky in setting my amps up and never had problems so I just keep them the same. That was another thing I was getting at, the clone has the power to bottom 8 of those drivers(depending on loads) so the clone clipping was due to something else.
post #370 of 943
Thread Starter 
Thanks all. I'll post up my VPL settings when I get home in addition to the video.
post #371 of 943
Thread Starter 


Here are my current VPL settings:

post #372 of 943
Thread Starter 
Quote:
Originally Posted by beastaudio View Post

I just bumped that flick to the top. I should have it end of the week and will report if I see the same thing taking place biggrin.gif

Man, just getting to that scene I found a few other ridiculously low moments... I think you are going to get a kick out of it for sure...
post #373 of 943
Thread Starter 
Why not...




The Powerrrrr.......
LL
Edited by popalock - 4/1/13 at 7:13pm
post #374 of 943
Mother of God!!! Yes please!!!!

Ok Pop, just figure it out...biggrin.gif
post #375 of 943
Thread Starter 
Quote:
Originally Posted by beastaudio View Post

Mother of God!!! Yes please!!!!

Ok Pop, just figure it out...biggrin.gif

I could make it happen if I went with an AT screen, only thing is my seating distance would drop from 12' down to 10' 6" or so. Getting a bit tight...
post #376 of 943
NAHHH!!! Just updated with some measuring fun on my thread, go check it out... I am curious of yours and everyone else's thoughts biggrin.gif
post #377 of 943
Quote:
Originally Posted by popalock View Post

I do have that one one of my demo discs... I'll have to check it out tomorrow. Just got finished with "The Man With the Iron Fists." Highly recommended from one ULF to another...

It's like that movie is composed out of bass. Then again, directed by RZA so it makes sense.
post #378 of 943
Thread Starter 
Quote:
Originally Posted by imagic View Post

It's like that movie is composed out of bass. Then again, directed by RZA so it makes sense.

That spidey guy mentions that some scenes go down to DC. How is that for low!?!? Is that even possible?
post #379 of 943
Quote:
Originally Posted by popalock View Post

Why not...


Looks like I'll have to make another trip up to VA pretty soon! biggrin.gif:D
post #380 of 943
Quote:
Originally Posted by popalock View Post

Why not...




The Powerrrrr.......
LL




Now.... AT screen. Do it! Join the club.

post #381 of 943
PL, that picture should be nominated for photo of the year.

I don't envy having to move those things around. I hoisted my 3 driver cabs up onto my stage and about gave myself a hernia. cool.gif
post #382 of 943
I had to give it a quick clean-up in Photoshop...

post #383 of 943
Quote:
Originally Posted by bass addict View Post

PL, that picture should be nominated for photo of the year.

+1 biggrin.gif
post #384 of 943
Thread Starter 
Quote:
Originally Posted by Electrodynamic View Post

Looks like I'll have to make another trip up to VA pretty soon! biggrin.gif:D

Bring it... Anytime man!

Quote:
Originally Posted by Scott Simonian View Post

Now.... AT screen. Do it! Join the club.
Maaaaan.... Just not in through cards at this place.

Next space, for sure....
post #385 of 943
Thread Starter 
Quote:
Originally Posted by bass addict View Post

PL, that picture should be nominated for photo of the year.

I don't envy having to move those things around. I hoisted my 3 driver cabs up onto my stage and about gave myself a hernia. cool.gif
Quote:
Originally Posted by mtg90 View Post

+1 biggrin.gif

Thanks gents!

The boxes I just finished seem to weigh more than the first two... Once I add the decorative front baffle, I'm confident the loaded boxes will weigh 400lbs+ each.

Big shoutout to furniture sliders and irongrip for making moving these boxes a possibility...biggrin.gif
post #386 of 943
Thread Starter 
Quote:
Originally Posted by imagic View Post

I had to give it a quick clean-up in Photoshop...

Mark! What can I say man... Wow! I feel like I owe you money or something. Geez man, thanks so much. I'm going to bring my camera to the GTG, maybe if we have time you could give me a pointer or two. Otherwise I'm prob going to be bugging you to fix some other crap shots I can't seem to get right.

Thanks for the new avatar!
post #387 of 943
Looks like a perspective fix, some lvl adjustment or shadows/highlight fix and some shaprneing. gotta love photoshop

and yes that pic is amazing
post #388 of 943
Thread Starter 
Quote:
Originally Posted by Sibuna View Post

Looks like a perspective fix, some lvl adjustment or shadows/highlight fix and some shaprneing. gotta love photoshop

and yes that pic is amazing

Thanks man.

Was going to try to get out of work early today, but it's not looking like a possibility. Hope to have time to run some measurements tonight with the miniDSP in place, but it's not looking good at the moment. Might have to wait until this coming weekend to play...

Reality... rolleyes.gif
post #389 of 943
Sheesh, staying up until 5am didn't make you a little tired? Goodness, haha.
post #390 of 943
Quote:
Originally Posted by popalock View Post


Might have to wait until this coming weekend to play...

Reality... rolleyes.gif

Waiting??? Such a filthy word. mad.gif

Haha, looks insane man. I can't wait for your call when you fire them up. biggrin.gif
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