which subwoofer setup should i use? - Home Theater Forum and Systems - HomeTheaterShack.com

 
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post #1 of 7 Old 04-26-19, 09:32 PM Thread Starter
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which subwoofer setup should i use?

i am just starting the home theater construction ( 1 whole wall framed so far ) but my 4400h is new in the box on the floor.... its so purrrtttyyy !!!

i am planning ahead for the subwoofer. i have a beringer ep-4000 that i was going to use as a dedicated sub amp. i am emailing john at aes about ordering two speakers. i don't know which way is a better way to go. i am leaning to the second option in the attached .jpg because the wattage is so much higher. any thoughts about individual sub channels vs. a single channel feeding two woofers in dedicated enclosures?? john can build the woofers in either 8 ohm or 4 ohm so i have options.

the ep-4000 is rated to 2 ohms when using both channels ( not bridged ). its rated 1250 rms and 2000 peak on each channel. should i change to 2 ohm speakers and go this route?

thanks in advance for the suggestions.
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basement
AVR - Yamaha RX-V867 AMP 1 - Acurus 200X3 ( for the fronts ) AMP 2 - Behringer EP4000 ( for the subs ) AC FILT - Harbor Freight power strip DISPLAY - Hitachi 15 year old 57" 1080i
MAIN - Bang & Olufsen Redline 140 CENTER - Bang & Olufsen Redline 140 SURROUND - Monoprice 6 1/2" in ceiling SURROUND BACK - Monoprice 6 1/2" in ceiling SUB - Dual PSB 10" passive
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post #2 of 7 Old 05-03-19, 01:55 PM
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Re: which subwoofer setup should i use?

O-H...

Option 1.
Dolby Atmos decodes up to 4 subs.
Your receiver does 7.2.

However, you could do Option 2 if you run a 2nd sub amp and 2 more subs and still be at 7.2.

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post #3 of 7 Old 05-09-19, 10:01 AM
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Re: which subwoofer setup should i use?

When you double your power you gain 3dB
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post #4 of 7 Old 05-12-19, 01:13 PM
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Re: which subwoofer setup should i use?

When you double your speakers you gain 3dB, 6dB with doubled amp power.

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Sony XBR65X900E
Sony STR-DN1080
Sony PS4
Quantum Access Fanless Mini PC Stick
Wow! Ultra Cable
8 x Rockville SPG88 DJ PA Speakers
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Kicker 08S15L74 sub in a T-TQWT (negative flare tapped horn)
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post #5 of 7 Old 05-16-19, 08:47 AM
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Re: which subwoofer setup should i use?

I was running two sets of identical speakers at 8 ohms as A+B. My brother is an electrical engineer, told me to set my receiver to 4ohms and wire the speakers so that they would behave as a 4 ohm speaker. The difference was amazing. Same receiver, same speakers, but when they were wired at 4 ohms the power, punch, impact, whatever you want to call it was at least doubled. I would definitely go for option 1.
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post #6 of 7 Old 05-24-19, 10:49 AM Thread Starter
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Re: which subwoofer setup should i use?

Quote:
rdcollns wrote: View Post
I was running two sets of identical speakers at 8 ohms as A+B. My brother is an electrical engineer, told me to set my receiver to 4ohms and wire the speakers so that they would behave as a 4 ohm speaker. The difference was amazing. Same receiver, same speakers, but when they were wired at 4 ohms the power, punch, impact, whatever you want to call it was at least doubled. I would definitely go for option 1.
That is exactly the info I was looking for. Thank you. You wrote option 1 but I think you meant option 2... speakers in parallel cutting the overall resistance in half and doubling the amp output.

Quote:
BP1Fanatic wrote: View Post
O-H...

Option 1.
Dolby Atmos decodes up to 4 subs.
Your receiver does 7.2.

However, you could do Option 2 if you run a 2nd sub amp and 2 more subs and still be at 7.2.
I-O !! Go Bucks !!

basement
AVR - Yamaha RX-V867 AMP 1 - Acurus 200X3 ( for the fronts ) AMP 2 - Behringer EP4000 ( for the subs ) AC FILT - Harbor Freight power strip DISPLAY - Hitachi 15 year old 57" 1080i
MAIN - Bang & Olufsen Redline 140 CENTER - Bang & Olufsen Redline 140 SURROUND - Monoprice 6 1/2" in ceiling SURROUND BACK - Monoprice 6 1/2" in ceiling SUB - Dual PSB 10" passive
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post #7 of 7 Old 05-24-19, 04:27 PM
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Quote:
david yurik wrote: View Post

That is exactly the info I was looking for. Thank you. You wrote option 1 but I think you meant option 2... speakers in parallel cutting the overall resistance in half and doubling the amp output.
Yeah, I flipped the options. Hope you love the results.
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