New amp choice for sub duty - CV5000 or Peavey IPR7500? - Page 8 - AVS | Home Theater Discussions And Reviews
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Old 12-31-2014, 04:39 PM
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Just built two ported mini-Marty subs and plugged them into my new Peavey IPR2 7500 DSP. The output is about 1/4 of what I would expect. When trying to add a HPF, the lowest it will let me go is 31 Hz. Per the mini-Marty thread, I should set it down close to my port tuning freq (i.e 17 hz). LTD02 suggested in a Behringer thread to add an eq setting with a negative db to get by the Behringer's 20hz limit. I tried this as well, but didn't seem to noticebly work.

Does anybody know the right settings for the DSP to be used for subwoofer duty? Thanks, Rhino
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Old 01-29-2015, 11:03 AM
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I was put onto the IPR7500 by a well respected guy on a UK forum, but I have a question: What would it give me over my current iNuke 6000DSP?

I run a pair of sealed 15" subs using Fi Q series drivers wired so each sub is 4 ohms, they are different distances from the MLP, so I can't wired them together as one 2ohm sub as I need to add a separate delay to the closer sub. I've run power tests in REW and I believe I'm amp limited at the moment (the Fi Q are rated 1500 watts), plus I may upgrade to Fi SP4 at a later date which are rated to 3000 watts.

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Old 01-29-2015, 12:25 PM
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Originally Posted by Kelvin1965S View Post
I was put onto the IPR7500 by a well respected guy on a UK forum, but I have a question: What would it give me over my current iNuke 6000DSP?

I run a pair of sealed 15" subs using Fi Q series drivers wired so each sub is 4 ohms, they are different distances from the MLP, so I can't wired them together as one 2ohm sub as I need to add a separate delay to the closer sub. I've run power tests in REW and I believe I'm amp limited at the moment (the Fi Q are rated 1500 watts), plus I may upgrade to Fi SP4 at a later date which are rated to 3000 watts.
The ipr will not give you any additional output with your current setup.

If in the future you upgrade to a pair of 2ohm speakers the ipr would work well. However, I would just add a second nu6000 and spend the extra cash elsewhere.
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Old 01-29-2015, 12:29 PM
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The ipr will not give you any additional output with your current setup.

If in the future you upgrade to a pair of 2ohm speakers the ipr would work well. However, I would just add a second nu6000 and spend the extra cash elsewhere.
Thanks Stumbo, can I ask how a second nu6000 would help since it can't be bridged, do you think it would give any more power if only running one sub per amp (ie the amp's power supply is limiting)?

The other option was a pair of CV5000 amps and some kind of external DSP device (such as some kind of miniDSP).

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Old 01-29-2015, 12:47 PM
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Originally Posted by Kelvin1965S View Post
Thanks Stumbo, can I ask how a second nu6000 would help since it can't be bridged, do you think it would give any more power if only running one sub per amp (ie the amp's power supply is limiting)?

The other option was a pair of CV5000 amps and some kind of external DSP device (such as some kind of miniDSP).
I think he was more stating if you got another two subs then you could use the peavy's 2 ohm stereo capability. But you could also just buy another inuke at that time and run 4 channels at 4 ohms each.
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Old 01-29-2015, 01:00 PM
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Originally Posted by Kelvin1965S View Post
Thanks Stumbo, can I ask how a second nu6000 would help since it can't be bridged, do you think it would give any more power if only running one sub per amp (ie the amp's power supply is limiting)?

The other option was a pair of CV5000 amps and some kind of external DSP device (such as some kind of miniDSP).
Your current config is good, an ipr7500 will not give you more power with two 4 ohm speakers.

If in the future you decide to replace your current drivers with new ones, you go with a pair of dual 4ohm drivers. That's one channel per coil from 2 nu6000 amps(4 total channels & coils.)
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Old 01-29-2015, 01:02 PM
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Ah, maybe I've confused the issue as I would still only have two subs, but I may swap the drivers for SP4 versions and sell the existing Q series ones.

So for my current pair of 15" 1500 watt Fi Q series wired for 4 ohms each, then is there any point changing to the IPR7500? If not what alternatives would you suggest, that would give me 3000 watts into 4 ohms x 2 for the future upgrade? I'm UK based so I have 230 volts mains and a I'll probably install a separate supply for my sub amp(s).

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Old 01-29-2015, 01:04 PM
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Just checked, I guess the sp4 only comes in dual 1 and dual 2ohm.

Please disregard my mentioning a second nu6000 and never listen to my advise again.
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Old 01-29-2015, 01:06 PM
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Originally Posted by Kelvin1965S View Post
So for my current pair of 15" 1500 watt Fi Q series wired for 4 ohms each, then is there any point changing to the IPR7500?
No.

Quote:
If not what alternatives would you suggest, that would give me 3000 watts into 4 ohms x 2 for the future upgrade? I'm UK based so I have 230 volts mains and a I'll probably install a separate supply for my sub amp(s).
If you went with the dual 1ohm SP4, an IPR7500 would give you 3750x2
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Old 01-29-2015, 01:09 PM
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OK, so it sounds like I may as well wait until I change the drivers as I won't gain anything right now changing out the nu6000. Thanks for the info, no worries about the SP4 ohms rating.

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Old 01-29-2015, 01:29 PM
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Quote:
Originally Posted by Stumbo View Post
The ipr will not give you any additional output with your current setup.
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Originally Posted by Stumbo View Post
Your current config is good, an ipr7500 will not give you more power with two 4 ohm speakers.
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Originally Posted by Kelvin1965S View Post
Ah,
So for my current pair of 15" 1500 watt Fi Q series wired for 4 ohms each, then is there any point changing to the IPR7500?
No.
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OK, so it sounds like I may as well wait until I change the drivers as I won't gain anything right now changing out the nu6000.
Jesus, how much more clear could I be?!?!?!?
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Old 01-29-2015, 01:43 PM
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Old 01-29-2015, 03:58 PM
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Jesus, how much more clear could I be?!?!?!?
I thought I'd said thanks for the info in my previous post, no need to be sarcastic.

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Old 01-29-2015, 04:15 PM
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I thought I'd said thanks for the info in my previous post, no need to be sarcastic.
It's my pleasure!
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