two hds10 subs or 1 more expensive? - AVS Forum
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post #1 of 9 Old 07-13-2010, 11:28 AM - Thread Starter
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Hi, I have a precision acoustics hds10 and was thinking of getting another of the same model since I can get it for a good deal. Should I get 2 of these subs or just 1 more expensive sub? The hds10 sub is 150w rms and peak I believe, and goes down to 35hz. Would 1 10" sub say at 200w and something like 400w peak and goes down to say 25 hz be better? I am really happy with my current sub and goes deep and clean. But say I am playing a song with a lot of bass in it. It's clean. But when I turn the volume up, eventually the treble.midrange will soon be more louder than the bass from the sub. The sub is already on maximum and it's been calibrated with the receiver, so the sub has a setting like -15db or something so I guess u can't really tell where the bass is coming from even though I have the sub behind in the back center a rectangular shaped room.
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post #2 of 9 Old 07-13-2010, 12:21 PM
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You can turn the trim for the sub up on your receiver if there isn't enough bass for you. Audyssey calibrated my sub to -6db but i have it set at +8db this gives me the amount of bass i like.

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post #3 of 9 Old 07-13-2010, 01:27 PM - Thread Starter
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The pioneer's mcacc had it auto-calibrated to -15db for the subwoofer. I tried changing it to -10db and -5db. I put on the dark knight blu-ray and I noticed that the subwoofer would go beyond it's limit and make that farting disortion noise. Since I have the subwoofer located behind where I sit, I can pinpoint exactly where that noise is coming from. Changing back the sub to -15db, the bass blends into the room and I can't really tell where it's coming from like it should.

I didn't damage the sub did I by testing it out and having it make that farting noise for a little bit did i?

What do I need to buy to get 2 subs working with my receiver if I only have 1 pre-out. Can I use any cable for the sub cable? I have a cheap rca cable for digital coaxial from the PC to the receiver.
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post #4 of 9 Old 07-13-2010, 01:57 PM
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For one sub LFE out on receiver and two subs, use Y connector. Radio Shack, monoprice, etc.
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post #5 of 9 Old 07-13-2010, 02:00 PM
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You only need a y connector on the back of the receiver.
As to your question concerning 2 subs or 1 more expensive.
I inquired of SVS whether two PB12 Pluses would be better than 1 Ultra (of course recognize that two PB 12 Pluses cost more than 1 Ultra) and here is their response:

"The only disadvantage to dual PB12-Plus would be the space taken up. Dual Plus will outperform a single Ultra and duals also offer the potential for smoother frequency response at the seats due to their overlapping modal responses."

Tampa
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post #6 of 9 Old 07-13-2010, 02:02 PM
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Quote:
Originally Posted by safe bobo View Post

Hi, I have a precision acoustics hds10 and was thinking of getting another of the same model since I can get it for a good deal. Should I get 2 of these subs or just 1 more expensive sub? The hds10 sub is 150w rms and peak I believe, and goes down to 35hz. Would 1 10" sub say at 200w and something like 400w peak and goes down to say 25 hz be better? I am really happy with my current sub and goes deep and clean. But say I am playing a song with a lot of bass in it. It's clean. But when I turn the volume up, eventually the treble.midrange will soon be more louder than the bass from the sub. The sub is already on maximum and it's been calibrated with the receiver, so the sub has a setting like -15db or something so I guess u can't really tell where the bass is coming from even though I have the sub behind in the back center a rectangular shaped room.

35 Hz response does not represent a true subwoofer. Don't waste your money on another hds10. You need to determine just how much you can afford to pay for a true subwoofer. Also, get ready to do your shopping on-line, that's where the values are.
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post #7 of 9 Old 07-13-2010, 02:11 PM - Thread Starter
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How low should a true subwoofer go?
Isn't it 35hz but then it goes lower but it rolls off?
What kind of deals are online...? I thought buying subwoofers online would be more expensive due to shipping some heavy big box subwoofer.
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post #8 of 9 Old 07-13-2010, 03:19 PM
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Individuals in this forum like the Premier Acoustics PA-120 and BIC F12 in the under $250 category and the BIC PL-200 in the under $300 category. The (Hsu-designed) PL-200 will play to 25Hz. The others may play to 28Hz. Although the subs are rated for slightly lower bass extension, individuals in the respective forums indicate that they do no play as low as their specs. The PL-200 is considered better than the other two. Check the respective forums on where to get the best price.
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post #9 of 9 Old 07-14-2010, 07:35 AM - Thread Starter
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Okay, so 1 hds10 sub is 150w RMS and 150w peak. 2 would be 300w rms and 300w peak, according to the specs I can find.

But 1 pl-200 sub would be 250w rms but 1000w peak. 2 hds10 subs can only still go as low as 35hz? So I am missing the HZ which I might not even hear, more like feel. And even though the hds-10 says it goes down to 35hz....it doesn't mention how much SPL it does 35hz at? So just a single pl-200 can do 35HZ, or even 25hz at greater SPL level that actually makes a difference versus 2 hds10 subs? It's a tough decision because the pl-200 is like 5x more the price that I can get another hds10 for.

Would trying some 25hz test tones on hds10 cause any damage to the subwoofer? It would be better for me to help understand if I could actually hear it.
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