New amp choice for sub duty - CV5000 or Peavey IPR7500? - Page 7 - AVS Forum
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post #181 of 211 Old 10-04-2013, 05:08 PM
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Quote:
Originally Posted by noah katz View Post

? 2.25V is less sensitive than the other numbers mentioned

sorry, by regular I meant the balanced.
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post #182 of 211 Old 10-04-2013, 06:12 PM
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Quote:
Originally Posted by wormraper View Post

the 7500 has a 2.25 volt input sensitivity. I'd suggest the regular minidsp for that thing.

Thanks for clarifying and doing it so clearly. Damn-it .... ! I have the regular. LOL... Oh Well.

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post #183 of 211 Old 10-04-2013, 06:27 PM
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Oh yes... has anyone tried the 1/4" connections for inputs vs. the XLR? Any input?

I thought they were only outputs as indicated on the back, but someone told me different. Confused

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post #184 of 211 Old 10-04-2013, 08:27 PM
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^^^

The results should be the same if they're both balanced connections.

Just because there is a knob doesn't mean you should turn it.
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post #185 of 211 Old 10-13-2013, 06:04 AM
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Noticed the IPR2 5000 amplifier web page lists some power specs such as: 2525W RMS x 2 at 2 ohms, 1510W RMS x 2 at 4 ohms, and 890W RMS x 2 at 8 ohms.
None of which seems to agree with the same spec categories given on the Spec Sheet download from the same web page. It did not seem to matter whether I was looking at .15% or 1% THD numbers…there did not seem to be agreement anywhere.
If someone eventually bench tests this amp, it would be nice to know what Peavey is claiming it can do with output beforehand.
Am I missing anything???
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post #186 of 211 Old 10-16-2013, 11:08 AM
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Originally Posted by blah450 View Post

Am I missing anything???

Proably not. You could drop them a line and ask for some fully qualified specs and see what they say, if anything.

Barring a response saying otherwise, I'd consider the specs on the Spec Sheet the numbers to consider/verify. IPR2_5000_-_Spec_Sheet.pdf 31k .pdf file
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File Type: pdf IPR2_5000_-_Spec_Sheet.pdf (30.6 KB, 13 views)

Just because there is a knob doesn't mean you should turn it.
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post #187 of 211 Old 10-17-2013, 02:58 AM
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Quote:
Originally Posted by whoaru99 View Post

Proably not. You could drop them a line and ask for some fully qualified specs and see what they say, if anything.

Barring a response saying otherwise, I'd consider the specs on the Spec Sheet the numbers to consider/verify. IPR2_5000_-_Spec_Sheet.pdf 31k .pdf file


Right on, Whoaru. I am now waiting for a response from Peavey.
If Peavey is willing to publish these specs, hopefully it should not be difficult for someone in the know (Peavey amp engineer?) to verify numbers...biggrin.gif
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post #188 of 211 Old 10-17-2013, 03:06 AM - Thread Starter
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The numbers that are particularly relevant for us HT/subwoofer junkies are the full range (20-20Khz), continuous numbers. Ignore the 1Khz ratings which is typically how most manufacturers of pro gear report ratings. I think it's cool peavey shares such detailed specs which historically have proven to be fairly accurate.
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post #189 of 211 Old 10-17-2013, 10:17 AM
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Absolutely right, 'rilla!

Ok.
JD Bennett (former chief engineer at Crest?, now of Peavey) confirmed that the current Spec Sheet available on the IPR2 5000 at the web site is indeed correct.

As he stated, "20 -20 specifics are noted on the sheet. The bottom of the sheet will tell you that steady state sine wave power is time limited by the circuit breaker. That gets you somewhere between one to three seconds of a continuous sine wave. Anything longer is simply not a good thing to have happen in a real world application, so I simply don't allow it in my designs.

Gain and sensitivity are also as noted."

Now, if someone would bench test the 5000 and 7500...?
It would be pretty cool if someone could bench those two and their Crest Pro-Lite cousins (when available) to do a little features/build quality/performance comparo.

On another note...UniqueSquared is an authorized Peavey dealer and offering "Make an Offer" deals on both Peavey units. The 5000 starts at 600, which is already less expensive than most.
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post #190 of 211 Old 10-17-2013, 10:23 AM
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Quote:
Originally Posted by Gorilla83 View Post

The numbers that are particularly relevant for us HT/subwoofer junkies are the full range (20-20Khz), continuous numbers. Ignore the 1Khz ratings which is typically how most manufacturers of pro gear report ratings. I think it's cool peavey shares such detailed specs which historically have proven to be fairly accurate.


So, 'rilla..how should I interpret the the 2 ohm 20-20 rating?
2250 per channel for sub duty up to 80Hz?
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post #191 of 211 Old 10-17-2013, 04:31 PM
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I'd consider the "<0.5% @ 2250 watts 20Hz to 4kHz" subset of the 20Hz-20kHz rating as your number(s). So, yes, what you said.
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Just because there is a knob doesn't mean you should turn it.
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post #192 of 211 Old 10-18-2013, 06:48 PM
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Okay...can't remember where someone covered this, so here goes...

How do connect XLR balanced cables to the IPR2 5000 inputs?

Same goes for bare 2-conductor speaker wire to outputs of the 5000?

Connectors needed? Wiring schematic?

Thank you, friends!
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post #193 of 211 Old 10-18-2013, 06:57 PM
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Unless you use an intermediate device like the mini-dsp you'll need an RCA to XLR cord.

http://www.monoprice.com/Product/?c_id=115&cp_id=11509&cs_id=1150902&p_id=4777&seq=1&format=2

Or make your own with these

http://www.parts-express.com/pe/showdetl.cfm?partnumber=092-011

and these

http://www.parts-express.com/pe/showdetl.cfm?partnumber=092-113

If you make your own you just jump the shield and ground.

For the speakON connectors here are some good ones. You don't have to use solder, these have screws where the above make your own XLRs don't have screws. You NEED solder. However, some prefer to solder these type of speakON connectors even though they have screws.

http://www.parts-express.com/pe/showdetl.cfm?partnumber=092-190
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post #194 of 211 Old 10-19-2013, 07:39 AM
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Thx. How about "wire up" schematic for soldering Speakon connectors to speaker wire or XLR cable? Specific of course for how it needs to be for connectors to work with IPR 5000...biggrin.gif
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post #195 of 211 Old 10-19-2013, 09:10 AM
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It's almost certainly right in the Peavey manual....

It tells you which terminals of the amp connectors are which, they are numbered, then you wire the corresponding numbered terminal of the connector with what it needs to be.

Just because there is a knob doesn't mean you should turn it.
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post #196 of 211 Old 10-19-2013, 09:31 AM
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Its right on the back of the peavy 7500' , pull up any picture online.

The speakon is labeled 1+ 1- 2+ 2-.... You only use 1+1- the 2s stay blank, I forget how the xlr is labeled. But its standard xlr, nothing special for the peavy.

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post #197 of 211 Old 10-20-2013, 06:42 AM
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XLR inputs to IPR 5000...check!

Speakon 1+ 1- wired on amp Output A going to one pair of DA 18HOs in parallel and another Speakon 1+ 1- is wired on amp Output B going to other pair of DA 18HOs in parallel.

Thanks, fellas!
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post #198 of 211 Old 10-21-2013, 02:18 PM
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Anyone else having issues with tripping breakers?

I have a dedicated 20 amp circuit with just the amp on it, and I keep tripping it.

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post #199 of 211 Old 10-21-2013, 03:45 PM
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Quote:
Originally Posted by pdxrealtor View Post

Anyone else having issues with tripping breakers?

I have a dedicated 20 amp circuit with just the amp on it, and I keep tripping it.

First question is what are you doing with the amp?

Playing music, or trying to test power (or whatever) with long duration test tones/bass notes?

Point being, large enough amps will deliver their rated power or peak power short term without tripping breaker, but will trip the breaker if you ask it to put out high level of power for (relatively) long duration.

Just because there is a knob doesn't mean you should turn it.
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post #200 of 211 Old 10-21-2013, 03:52 PM
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Listening to music, a variety of different songs from a subwoofer GTG.

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post #201 of 211 Old 10-21-2013, 03:54 PM
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That's probably a little misleading. If it's music that is intended to really put out the subwoofage then it's probably more like the latter scenario.

Just because there is a knob doesn't mean you should turn it.
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post #202 of 211 Old 10-21-2013, 05:21 PM
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Quote:
Originally Posted by whoaru99 View Post

That's probably a little misleading. If it's music that is intended to really put out the subwoofage then it's probably more like the latter scenario.

Yes, the track starts with '100 hz to 20 hz' of base or something like that, and then it plays 100 hz to 20 hz..... I pop the breaker on that one.

Petey Pablo is in the track, freak a leek, and it trips on that bass as well.

I have the double breakers where there is 2 20 amp breakers in one slot. Would that matter? It shouldn't ..... but can't hurt to ask.

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post #203 of 211 Old 12-08-2013, 05:33 PM - Thread Starter
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post #204 of 211 Old 12-08-2013, 07:38 PM
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Ive got a new in box 7500 if anyone is interested.

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post #205 of 211 Old 12-09-2013, 07:13 PM
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SOLD!

PS- sorry... I know this isn't a for sale thread. frown.gif

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post #206 of 211 Old 12-30-2013, 04:37 PM
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Quote:
Originally Posted by cookieattk View Post

sorry for not making it more clear the breaker was tripping at any frequency at 1600 watts i got 5hz upto 1500 watts yesterday. and yes there is no significant roll off it does roll off at the top end about 5db by 30khz but who cares.

Flat to 5hz huh? I think my IB will thank me.
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post #207 of 211 Old 12-30-2013, 04:40 PM
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Originally Posted by Stumbo View Post

Flat to 5hz huh? I think my IB will thank me.

Get in on the group buy if you don't have one already

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post #208 of 211 Old 01-09-2014, 12:45 AM
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They keep trying to make a better and better class d , that will keep up to old school. I would take the 90 lb beasts over the 10 lb case with 2 pound amp any day of the week. Got to admit Class D is very profitable vs old school. They love making money.

A Good amplifier requires a adequate power supply, It does not matter what the amplifier is capable of if the power supply will not provide the power required. Most amplifiers have under rated power supplies. It is up to you to make sure you get the ones that are
least under rated if at all.
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post #209 of 211 Old 01-09-2014, 03:22 AM
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John...for the uninitiated, and those that might not be able to locate a succinct post summarizing a comparison, would you mind taking a minute and posting why you would take the 90# beasts over the class D amps...specifically the CV5000 versus the IPR2 7500?
Outside of profit margins or not, what might be some quick performance advantages be of the CV over that IPR2 for end-users that wish to use either for powering passive multi-sub set-ups? Thanks in advance, sir!
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post #210 of 211 Old 01-09-2014, 12:46 PM
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Originally Posted by johnplayerson View Post

They keep trying to make a better and better class d , that will keep up to old school. I would take the 90 lb beasts over the 10 lb case with 2 pound amp any day of the week. Got to admit Class D is very profitable vs old school. They love making money.

Care to explain? I've met a lot of amps that were much worse than Class D in the A/B/G/H/something other than D. Now if you are saying you would take a vetted amp over something "new and shiny", that is cool. But to somehow downplay the peavy 7500 which has been vetted by many people and choose the CV over it is I think where we will have to agree to disagree. The one big advantage of the CV over the IPR is you can bridge the CV into 4 ohms for stupid power. However, this has nothing/zero/zlich/nada to do with weight.

Really would like to understand your reasoning further.

I must be guilty because people say I am guilty because they chose to call me guilty because they refuse to see the truth. Much easier to be part of the mob..
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