Official Elemental Designs Subwoofer Thread - Page 518 - AVS Forum
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post #15511 of 15522 Old 11-03-2014, 08:11 PM
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Mine was actually a LOT easier. I tilted it back and rested it on top of a plush pillow, removed the screws, put a flathead screw driver between the seal and cabinet at all four points of the circumference, pryed a little then leaned the enclosure forward. The driver "cracked" away from the enclosure and slid right into my hand. I even did it alone! Thanks for the help guys!
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post #15512 of 15522 Old 11-03-2014, 08:12 PM
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Quote:
Originally Posted by laugsbach View Post
I hope it works but dominguez1 and rcase13 might be the norm...



I use number 10 SPAX screws for my builds...
Do you use 10x3?
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post #15513 of 15522 Old 11-04-2014, 06:33 AM
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Do you use 10x3?
I used 10 x 1.5"...
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post #15514 of 15522 Old 11-04-2014, 04:01 PM
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I have an a2-300 and after catching up on the last several pages of this thread, I'm considering replacing the driver with the Infinity 1260. But before I do that, I have a couple concerns I was hoping to get advice on first.

For as long I've had this sub, I've always had trouble getting the auto-on to work. It seems like I have to crank the volume on my receiver (Denon 1910) fairly high to get the sub to turn on. I've tried using it with and without a Y-splitter and it didn't seem to make much difference.

I also think the sub or something in the enclosure has started to rattle. Not all the time, but on some of the harder bass hits, you can hear it.

I'm getting another receiver, speakers and sub for another room in my home, and was wondering if moving this sub to the room with new receiver might have any effect on the auto-on issue (I remember reading of several people having auto-on issues with the Denon receivers. My new one might be a Harman.)

Any thoughts?

Last edited by maroonsloth; 11-06-2014 at 07:13 AM.
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post #15515 of 15522 Old 11-04-2014, 04:51 PM
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What are the crossover settings for your speakers? Trying to figure out how much content you are sending to the sub.

As for rattle you could open it up and look. Once I thought something was loose in mine but turned out it was just the feet or spikes rattling against the floor on loud passes.
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post #15516 of 15522 Old 11-05-2014, 06:27 AM
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Crossover is set at 80 Hz. LPF for LFE is at 120 Hz.
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post #15517 of 15522 Old 11-10-2014, 09:38 AM
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Originally Posted by maroonsloth View Post
Crossover is set at 80 Hz. LPF for LFE is at 120 Hz.
I wish I was able to PM @daveds50 but it won't let me since I don't have enough posts. Anyone with thoughts on the auto-on issue?
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post #15518 of 15522 Old 11-10-2014, 10:41 AM
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Originally Posted by maroonsloth View Post
I wish I was able to PM @daveds50 but it won't let me since I don't have enough posts. Anyone with thoughts on the auto-on issue?
What is the level of the subwoofer in your receiver? Is it very negative like -10 or something vs something near 0 or on the positive side?
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post #15519 of 15522 Old 11-10-2014, 10:46 AM
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Originally Posted by primetimeguy View Post
What is the level of the subwoofer in your receiver? Is it very negative like -10 or something vs something near 0 or on the positive side?
It's set at 0 on the receiver.
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post #15520 of 15522 Old 11-10-2014, 10:54 AM
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Originally Posted by maroonsloth View Post
It's set at 0 on the receiver.
Do you have a feel for what level on the volume dial you have to turn it up to in order for the sub to turn on? Music with bass I would think it would come on rather easily. But for normal TV if there is not much bass it may not come on until needed.

Or a good test is turn on the test tones of your AVR and see if it comes on. Mine are fixed at 75db, not sure if yours are that way or are impacted by the volume dial.
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post #15521 of 15522 Old 11-10-2014, 02:54 PM
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Quote:
Originally Posted by maroonsloth View Post
I wish I was able to PM @daveds50 but it won't let me since I don't have enough posts. Anyone with thoughts on the auto-on issue?
right here ! actually, i have been very busy with circuit design contracts. the car audio amp industry is trying to kill me...

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Originally Posted by maroonsloth View Post
It's set at 0 on the receiver.
turn the level up on the receiver, and down to compensate on the sub plate amp.

the amp is looking for a certain level signal voltage to tell it to turn on. likely your receiver is below that level at low volumes. it will not turn on until that voltage level is reached.

on my personal sub amps, i do not use the auto-on. i do not like the power supply powered up at all times in standby. my amps tend to last a whole lot longer than people usually experience.
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post #15522 of 15522 Old 11-10-2014, 03:07 PM
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Quote:
Originally Posted by maroonsloth View Post

I also think the sub or something in the enclosure has started to rattle. Not all the time, but on some of the harder bass hits, you can hear it.
forgot to address this. your driver may be coming apart. from my experience with eD drivers, the glue started cracking that holds it together when i started being hard on it. it rattled, pop, crackle, you name it, it made more strange sounds than our last beater car did before we junked it. yours is likely at that age when it is done anyway. drivers do not last forever, no matter what brand/model/etc.

also, check the screws and parts on the amp. the years of vibrations of a sub can loosen them up. no internal amp from any brand is immune to this.
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