Who wants to see the Inuke12000DSP tested? - AVS Forum
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post #1 of 394 Old 03-06-2014, 06:53 AM - Thread Starter
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I think everyone on this forum would like to know what the Inuke12000 is actually putting out. I am one of them.

I have an Inuke 12000 that I am willing to send to someone if we can find a way to have interested folks donate funds to cover shipping costs.

Let me know who is interested (or can) test this amp, and then we can look into shipping costs and how we can cover those.

I am willing to let my amp be the test mule and take a beating for the sake of the "LFE Monsters" on this forum looking for a high power amp for under $1K with a warranty.

Thoughts?
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post #2 of 394 Old 03-06-2014, 06:56 AM
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I'll chip in for it to be tested. We can all send money to a paypal account if you have one.
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post #3 of 394 Old 03-06-2014, 06:57 AM - Thread Starter
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Quote:
Originally Posted by Swolephile View Post

I'll chip in for it to be tested. We can all send money to a paypal account if you have one.

I do have one. Once we establish where we will need to send it we can calculate shipping plus a little for the tester for his time. Sound good?

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post #4 of 394 Old 03-06-2014, 07:02 AM
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I'll throw in as well...
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post #5 of 394 Old 03-06-2014, 07:04 AM - Thread Starter
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Great. We are moving right along. Thanks guys.

Who can I contact to see if they will test it?

I Pm'd Chasw

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post #6 of 394 Old 03-06-2014, 07:11 AM
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Quote:
Originally Posted by thebuckaman View Post

I do have one. Once we establish where we will need to send it we can calculate shipping plus a little for the tester for his time. Sound good?

Sounds great.
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post #7 of 394 Old 03-06-2014, 11:42 AM
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We haven't had anyone on the AVS forum conducting proper amp tests in years frown.gif Chasw was the last.
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post #8 of 394 Old 03-06-2014, 11:53 AM
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And he doesn't really post any more these days...

It sucks. I'm down to chip in on shipping if we can find someone though.



Related question: What do we need to do to have this amplifier testing capability? Really what all do we need? What are all the components needed to properly test amplifiers in the way that we are interested in? If it's not that huge of an investment, why don't we just ... do it?! It couldn't be that hard or expensive.

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post #9 of 394 Old 03-06-2014, 11:56 AM
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Quote:
Originally Posted by Scott Simonian View Post

And he doesn't really post any more these days...

It sucks. I'm down to chip in on shipping if we can find someone though.



Related question: What do we need to do to have this amplifier testing capability? Really what all do we need? What are all the components needed to properly test amplifiers in the way that we are interested in? If it's not that huge of an investment, why don't we just ... do it?! It couldn't be that hard or expensive.

* resistive load capable of dissipating 12000ish watts of heat configurable to multiple impedance settings
* good oscilloscope
* signal generator
* knowledge
* time
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post #10 of 394 Old 03-06-2014, 12:13 PM
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What about Josh Ricci from Databass?
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post #11 of 394 Old 03-06-2014, 01:16 PM
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Quote:
Originally Posted by notnyt View Post

* resistive load capable of dissipating 12000ish watts of heat configurable to multiple impedance settings
* good oscilloscope
* signal generator
* knowledge
* time

Well... I don't have the knowledge but the other stuff I can work at.

How much is a "good oscilloscope"?
How much is a nice generator?
How much does it cost to build the load?
Can one build a very large one to test all sorts of amplifiers?

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post #12 of 394 Old 03-06-2014, 01:23 PM
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Here is a nice test of the iNuke nu6000. It would be nice to have a similar test for iNuke12000DSP.

Behringer inuke NU6000 vs KAM KXD7200 bench tested
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post #13 of 394 Old 03-06-2014, 01:43 PM
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Do you have a local electronics repair shop? The one I use in Omaha does the regional service work and warranty work for many electronics and amplifier companies. They can test amps for power output, etc.
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post #14 of 394 Old 03-06-2014, 02:41 PM - Thread Starter
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Quote:
Originally Posted by desertdome View Post

Do you have a local electronics repair shop? The one I use in Omaha does the regional service work and warranty work for many electronics and amplifier companies. They can test amps for power output, etc.

interesting. I will call around.

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C - DIYSOUND alchemy 8
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post #15 of 394 Old 03-06-2014, 05:51 PM
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I just bid on a high-end oscilloscope, $1000 is my max bid but it retails new for much more. Hopefully I will be winning bidder. Wish me luck.
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post #16 of 394 Old 03-06-2014, 06:31 PM
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This amp requires a 50amp breaker. This isn't something a repair shop would likely even be capable of testing.

Which version do you have the 120v or 240v one? (I assume it isn't a uni-PS)

I have a 30amp 120v and a 20a 240v circuit.
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post #17 of 394 Old 03-06-2014, 07:17 PM
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I remember that water heater element in a bucket of water (actually many buckets) experiment from a while back. Is that what you are going to use for "loads"?
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post #18 of 394 Old 03-06-2014, 07:17 PM - Thread Starter
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120vac version. good point on the 50 amp breaker.

Denon 4311ci with Mini DSP and antimode
L/R -DIYSOUND tempest towers (40" tall towers)
C - DIYSOUND alchemy 8
LS/RS - community D6

MACHTSUB SYSTEM
2-Stereo Integrity HST-18 D1 subs (happy dance) in dual 12 cuft ported tuned 16hz
Sub amp- inuke 12000dsp (byopc) bring your own power cord
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post #19 of 394 Old 03-06-2014, 07:30 PM
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Wow, did not realize it was 7yrs ago! http://www.avsforum.com/t/855865/measuring-amplifiers
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post #20 of 394 Old 03-06-2014, 07:37 PM
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there are all sorts of ways to test amps as well. specifying what exactly you intend to test is pretty important.

while it might be fun to see results of 16hz full power sine wave until the amp shuts off, that might not be as useful as seeing power where thd skyrockets (clipping), thd+noise/noise floor, and perhaps something like 50% duty cycle power sustainability.

then there is the question of whether to use a variac or not. again, what exactly do you want to test...

Listen. It's All Good.
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post #21 of 394 Old 03-06-2014, 07:38 PM
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not sure if these would come in handy or not: http://www.picotech.com/oscilloscope.html

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post #22 of 394 Old 03-06-2014, 07:41 PM
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My o-scope will be able to measure more than what Chasw could do.

It can automatically do all of the following:

Active Power in Watts
Apparent Power in VA
Reactive Power in VAR
Power Factor Rating
THD%
Ohms
Transient Voltage
Voltage Sags and Swells
Inrush
Volts, Amps, Hertz
RMS, Peak-Peak
o-scope

Up to 1000amps
Up to 600volts
Up to 600,000watts
DC to 30MHz scope
Automatic calculations are limited to 10hz to 15khz however.

(It has a few other abilities too; but that's more money.)

I've wanted to buy this thing for (at least) 5 years now.
I've finally made an attempt at one. biggrin.gif

It will be AWESOME, to say the least.
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post #23 of 394 Old 03-06-2014, 07:50 PM - Thread Starter
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Quote:
Originally Posted by BassThatHz View Post

I just bid on a high-end oscilloscope, $1000 is my max bid but it retails new for much more. Hopefully I will be winning bidder. Wish me luck.

Luck wished! Sounds like quite the scope

Denon 4311ci with Mini DSP and antimode
L/R -DIYSOUND tempest towers (40" tall towers)
C - DIYSOUND alchemy 8
LS/RS - community D6

MACHTSUB SYSTEM
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Sub amp- inuke 12000dsp (byopc) bring your own power cord
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post #24 of 394 Old 03-06-2014, 07:59 PM
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i have three phase 415v 63a circuit. single phase 240v 63a.
and i have these on my desk:




i have non inductive load resistors as test dummy next doors. smothered in oil.
i have another quad channel 1ghz scope in storage as i have absolutely no function for that much precision.

too bad i'm across the pacific. shipping's gonna be expensive. tongue.gif
duty cycle measurement is gonna be hard without a function generator. signal gen aren't able to program duty cycle into the output.
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post #25 of 394 Old 03-06-2014, 08:23 PM
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Thermal Imaging. Difference between Kam and Behringer from - http://forum.speakerplans.com/behringer-inuke-nu6000-vs-kam-kxd7200-bench-tested_topic69202_page2.html

KAM Transformer




NU6000 Transformer


Nukes have a noisy fan for a reason!
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post #26 of 394 Old 03-06-2014, 09:26 PM
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buck, what state you live in?
Quote:
Originally Posted by paskal9 View Post

i have three phase 415v 63a circuit. single phase 240v 63a.
and i have these on my desk:
i have non inductive load resistors as test dummy next doors. smothered in oil.
i have another quad channel 1ghz scope in storage as i have absolutely no function for that much precision.

too bad i'm across the pacific. shipping's gonna be expensive. tongue.gif
duty cycle measurement is gonna be hard without a function generator. signal gen aren't able to program duty cycle into the output.

Nice! I guess that's what happens when it is your, profession.
Yeah shipping to the other side of the planet would be a bit expensive.
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post #27 of 394 Old 03-06-2014, 10:45 PM
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Quote:
Originally Posted by Bob7145 View Post

Thermal Imaging. Difference between Kam and Behringer from - http://forum.speakerplans.com/behringer-inuke-nu6000-vs-kam-kxd7200-bench-tested_topic69202_page2.html

KAM Transformer


NU6000 Transformer


Nukes have a noisy fan for a reason!
looks to me the KAM have much higher heat output compared to the inuke.

while i don't have FLIR, i do have this inside one of my drawer.

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post #28 of 394 Old 03-06-2014, 10:55 PM
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The other images on that thread were much worse for the KAM. I think it's in a 1U cabinet. The output inductors especially looked on the verge of meltdown according to the tester. Electronics makers always scrimp on the cooling to save money. You don't get a CPU to go 8Ghz by putting a lower volume fan on it. smile.gif I'll never suggest a fan mod unless it's the same or more volume even if it would get by with a lower one.
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post #29 of 394 Old 03-07-2014, 06:23 AM - Thread Starter
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Quote:
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buck, what state you live in?quote]

Illinois

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L/R -DIYSOUND tempest towers (40" tall towers)
C - DIYSOUND alchemy 8
LS/RS - community D6

MACHTSUB SYSTEM
2-Stereo Integrity HST-18 D1 subs (happy dance) in dual 12 cuft ported tuned 16hz
Sub amp- inuke 12000dsp (byopc) bring your own power cord
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post #30 of 394 Old 03-07-2014, 09:02 AM
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I have thought about getting into testing amplifiers and acquiring the equipment and knowledge but I can't even keep up with the bass thing. I would be more than happy to make a section at DB to host amplifier measurements if someone wanted to start doing them.

The tests that Langston did were fantastic IMHO. You should test maximum sine wave power at the onset of clipping at various frequencies sure...But the cea-2010 shaped burst should also be used to look at short term dynamic output as well. The thermal images are also great as is the information on efficiency and current draw.
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