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post #181 of 247 Old 01-06-2015, 08:21 AM
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Quote:
Originally Posted by cegadede View Post
I've bought a inuke nu4-6000 a few months ago and have been using it to power the LCR speakers on my home theater (I also have a ep4000 that powers my surrounds) and all I can say is that I'm in love with the nu4-6000! It has gobs of power, weights next to nothing, sounds great and is dirty cheap.

The only change I made in it was replacing the fans with a pair of noctuas. I can't hear the fans running even if my ears are just a inch from the front of the amp.

All in all, a fantastic buy!
Which Noctua fans did you use?

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post #182 of 247 Old 01-06-2015, 08:33 AM
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Which Noctua fans did you use?
I used NF-R8's in mine. I see they've been discontinued and the NF-A8 is the new replacement version. They are super quiet and provide plenty of output for my situation and I would guess many others.

Edit: I see that they have continued the NF-R8 production in their "redux" line.

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post #183 of 247 Old 01-06-2015, 08:39 AM
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I used NF-R8's in mine. I see they've been discontinued and the NF-A8 is the new replacement version. They are super quiet and provide plenty of output for my situation and I would guess many others.
Hmm. But which one? There are three on Amazon.

There is the PWM, FLX and ULN versions of the NF-A8.

Thanks.

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post #184 of 247 Old 01-06-2015, 08:45 AM
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Hmm. But which one? There are three on Amazon.

There is the PWM, FLX and ULN versions of the NF-A8.

Thanks.
This is the specific one I ordered:

http://www.amazon.com/Noctua-NF-R8-8...0mm+Fan+2-Pack

They are the 1800 RPM version with 3 wires. I did not install any of the "noise lowering" resistor pigtails. I'm searching for where I put up pics of the fan installs.....
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post #185 of 247 Old 01-06-2015, 08:48 AM
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Which Noctua fans did you use?

These:
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
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post #186 of 247 Old 01-06-2015, 08:51 AM
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Cool. Thanks guys!

I'll need to get two (or four) of them and another pair in 120mm size.

Noy-zee amps!!!

Erm but I have a dozen amps sooo....

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post #187 of 247 Old 01-06-2015, 09:12 AM
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Quote:
Originally Posted by Scott Simonian View Post
Cool. Thanks guys!

I'll need to get two (or four) of them and another pair in 120mm size.

Noy-zee amps!!!

Erm but I have a dozen amps sooo....
The Noctua fans are highly regarded and even award winning, as you may have read. I personally wouldn't mess around with any of the cheap/generic fans that you can pick up from crap shack, BB, etc. But, I know that you will do the right thing, Scott!

I found where I had posted some pics of the fan replacements....post #141
http://www.hometheatershack.com/foru...-build-15.html

The 3 wire connectors will slide onto the bare pins that are left sticking up out of the board after you've carefully removed both the male plugs from the original fans and the female connector shroud that is supposed to stay on the board (as it is part of the original connector). Add some hot glue to keep the connectors in place on the board and tie up your newly extended fan wires somehow so they stay out of the way.
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post #188 of 247 Old 01-06-2015, 10:16 AM
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What LCR are you running. That's a lot of power.

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Originally Posted by cegadede View Post
I've bought a inuke nu4-6000 a few months ago and have been using it to power the LCR speakers on my home theater
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post #189 of 247 Old 01-06-2015, 10:23 AM
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What LCR are you running. That's a lot of power.
It's a Kef Q600C center speaker and a pair of BSA K85T for L and R. Yes, it's a lot of power for these speakers, but it's also way cheaper than dedicated home-theatre amplifiers of less power (emotivas come to mind).
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post #190 of 247 Old 01-10-2015, 05:41 PM
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I recently purchased a nu4-6000 to power the Klipsch setup in my master bedroom. I must admit it sounds great. I was so impressed I also tried this amp with my yorkville setup in the living room and they sounded downright awesome with this amp.

I take back the negative thoughts I had on Inuke sound quality with my previous setups. I dont know if I had my previous Inuke 6000s set up improperly or not but this amp is a definite keeper.

Now my only question is if a NU-4 6000 will be enough to power four Yorkville u215 speakers or if should use two inuke 6000 amps to power them. I was so shocked by the sound quality that I immediately placed my Crown XLI 3500 up for sale.
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post #191 of 247 Old 01-10-2015, 05:48 PM
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Quote:
Originally Posted by Swolephile View Post
I recently purchased a nu4-6000 to power the Klipsch setup in my master bedroom. I must admit it sounds great. I was so impressed I also tried this amp with my yorkville setup in the living room and they sounded downright awesome with this amp.

I take back the negative thoughts I had on Inuke sound quality with my previous setups. I dont know if I had my previous Inuke 6000s set up improperly or not but this amp is a definite keeper.

Now my only question is if a NU-4 6000 will be enough to power four Yorkville u215 speakers or if should use two inuke 6000 amps to power them. I was so shocked by the sound quality that I immediately placed my Crown XLI 3500 up for sale.
Well, now you have me interested in maybe doing the same. I know they are awesome with base but coming from you with this makes me want to try. I'm meaning this as a compliment not negative in any way because for you to post this means it completly swayed your opinion.
The only thing i question with these is long term reliability. i just put my original box up in the attic to keep if i do need it within the next 3 years. Thanks for the post.
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post #192 of 247 Old 01-10-2015, 05:50 PM
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Quote:
Originally Posted by Swolephile View Post
I recently purchased a nu4-6000 to power the Klipsch setup in my master bedroom. I must admit it sounds great. I was so impressed I also tried this amp with my yorkville setup in the living room and they sounded downright awesome with this amp.

I take back the negative thoughts I had on Inuke sound quality with my previous setups. I dont know if I had my previous Inuke 6000s set up improperly or not but this amp is a definite keeper.

Now my only question is if a NU-4 6000 will be enough to power four Yorkville u215 speakers or if should use two inuke 6000 amps to power them. I was so shocked by the sound quality that I immediately placed my Crown XLI 3500 up for sale.
One should be plenty. U215s are very efficient.

They will take more if you want. And sometimes I think about doing it too. But the rest of my speakers can barely keep up as it is.
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post #193 of 247 Old 01-10-2015, 10:37 PM
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Well, now you have me interested in maybe doing the same. I know they are awesome with base but coming from you with this makes me want to try. I'm meaning this as a compliment not negative in any way because for you to post this means it completly swayed your opinion.
The only thing i question with these is long term reliability. i just put my original box up in the attic to keep if i do need it within the next 3 years. Thanks for the post.
Thanks for the kind words. The previous Inukes I owned were from the first batch ever released and they were full of bugs and malfunctioning parts. I've also changed my setup numerous times since I last owned them.

Whatever the case may be, this Nu4-6000 amp sounds seriously good. It's sound quality is equal to or better than my previous home amps from Emotiva, Sunfire, and Outlaw. Also sounds better than my most recent pro amp purchases from Crown, Samson, Mackie, and Peavey.

I'm interested to see how the latest batches of Inuke 6000s would compare with my Yorkvilles. So I will purchase a Inuke 6000 in a few weeks to find out. If I dont see any major difference it will still be a win-win since I will keep it to run my subs either way.
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post #194 of 247 Old 01-10-2015, 10:43 PM
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If you bridge the sets of outputs on your nu4 it will be the 6000.

The 6000 is just two 3000's in one case permanently bridged. The nu4-6000 is the same thing but not permanently bridged and with two extra gain knobs. And inputs and outputs on the back.

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post #195 of 247 Old 01-10-2015, 11:12 PM
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If you bridge the sets of outputs on your nu4 it will be the 6000.

The 6000 is just two 3000's in one case permanently bridged. The nu4-6000 is the same thing but not permanently bridged and with two extra gain knobs. And inputs and outputs on the back.
This is what I thought initially however I recently read the specs per the manual from Behringer state rougly 300 watts rms, 400 watts peak @ 8 ohms per channel and 600 watts rms at 4 ohms per channel. I was the one who circulated the bench test of the Inuke 6000 around the usual home theater websites when it was first released. So I remember rough estimates from that test was 1 kilowatt at 8 ohms per channel and 1.5-2 kilowatts @ 4 ohms per channel. So I figured the Nu4-6000 would be around 450-500 watts rms @ 8 ohms per channel and 800-900 watts rms @ 4 ohms per channel. But the specs in the manual say otherwise apparently.
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post #196 of 247 Old 01-11-2015, 08:08 AM
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The power output of a single channel on the NU3000 is about the same as the power output on a single channel on the NU4-6000.

You get 4 channels on the NU4-6000 so it is essentially like two NU3000s in one case.


NU4-6000:
8 ohms Impedance, Bridged : (2X) 1250W RMS 1500W Peak
4 ohms Impedance, Bridged : (2X) 2075W RMS 3000W Peak
8 ohms Impedance: (4X) 315W RMS 440W Peak
4 ohms Impedance: (4X) 620W RMS 820W Peak
2 ohms Impedance: (4X) 1040W RMS 1520W Peak

NU3000:
RMS (sine wave)
8 Ohm 2x312
4 Ohm 2x600 (2x375 after 3 seconds)
2 Ohm 2x1176 (2x750 after 1 second, protect after 5 seconds)
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post #197 of 247 Old 01-14-2015, 07:30 PM
 
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I am thinking about picking one of these up to power 4 SI-18's @2 ohms each.

Will this amp be stable enough at 2 ohms? I will do the fan mod as this will be in my living room.

My other option is to use it to power the 4 SI-18's at 4 ohms each. I haven't ordered the SI-18's yet as I am not sure if I need to power them at 2 or 4 ohms with this amp.

Thanks
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post #198 of 247 Old 01-14-2015, 07:47 PM
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I am thinking about picking one of these up to power 4 SI-18's @2 ohms each.

Will this amp be stable enough at 2 ohms? I will do the fan mod as this will be in my living room.

My other option is to use it to power the 4 SI-18's at 4 ohms each. I haven't ordered the SI-18's yet as I am not sure if I need to power them at 2 or 4 ohms with this amp.

Thanks
I have done exactly that and it worked well for the most part. I was over powering the amp when getting silly with the volume.

I added two more SI 18s and then switched to a Sanway FP 14k.

When you run the class d amps hard they per cycle off/on. I don't notice that when running the Sanway clone or older EP2500/4000. Red clip lights illuminate and then go away quickly.
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I have done exactly that and it worked well for the most part. I was over powering the amp when getting silly with the volume.

I added two more SI 18s and then switched to a Sanway FP 14k.

When you run the class d amps hard they per cycle off/on. I don't notice that when running the Sanway clone or older EP2500/4000. Red clip lights illuminate and then go away quickly.
What do you consider crazy with the volume?

I don't imgine I will ever go above reference, or if I do it would be for short bursts.
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post #200 of 247 Old 01-14-2015, 08:07 PM
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The subs were probably +6-10dbs hot and the volume was at a level where my girlfriend looks at me with a WTF are you doing look. I can't recall what that ended up being.

No issues if actually watching a movie to enjoy it.
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The subs were probably +6-10dbs hot and the volume was at a level where my girlfriend looks at me with a WTF are you doing look. I can't recall what that ended up being.

No issues if actually watching a movie to enjoy it.
LOL - I should be alright then
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post #202 of 247 Old 01-27-2015, 11:31 AM
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Well I recently picked up my seventh Inuke 6000 and tried it with my Yorkville U215s. And the results were identical to what I remember from the past. Muffled highs, good midbass, and strong but not overly tight lowend. The Inuke 6000 is a good sub amp. But the higher frequencies outright suck when used with speakers in my opinion.

I don't know why the Inuke NU4-6000 sounds so good with both sets of speakers in my livingroom and by master bedroom yet the Inuke 6000 does not. But oh well. I'm probably going to keep it to power my SI 24 pair so it works out for me either way.
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post #203 of 247 Old 01-27-2015, 11:52 AM
 
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Quote:
Originally Posted by Swolephile View Post
Well I recently picked up my seventh Inuke 6000 and tried it with my Yorkville U215s. And the results were identical to what I remember from the past. Muffled highs, good midbass, and strong but not overly tight lowend. The Inuke 6000 is a good sub amp. But the higher frequencies outright suck when used with speakers in my opinion.

I don't know why the Inuke NU4-6000 sounds so good with both sets of speakers in my livingroom and by master bedroom yet the Inuke 6000 does not. But oh well. I'm probably going to keep it to power my SI 24 pair so it works out for me either way.
I think the Nu4-6000 is actually 2 3000's in one case, not sure why that would matter but I don't think it shares its amp with the inuke6000.
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post #204 of 247 Old 01-27-2015, 11:54 AM
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Funny. I just bought another NU4-6000 for additional amp channels. I tested it with my Yorkville U215s and I agree with your description of the sound.

Had a similar problem last year with my Tempests and I just couldn't put my finger on it at the time. I thought it was my Pioneer AVR, but in fact it was the iNuke (changed too many things at once).

I bought and sold three of them last year and I'm going to send this one back too. I went back to my EP2500s/EP4000s and the speakers came back to life.
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post #205 of 247 Old 01-28-2015, 06:13 AM
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Quote:
Originally Posted by Swolephile View Post
I recently purchased a nu4-6000 to power the Klipsch setup in my master bedroom. I must admit it sounds great. I was so impressed I also tried this amp with my yorkville setup in the living room and they sounded downright awesome with this amp.

I take back the negative thoughts I had on Inuke sound quality with my previous setups. I dont know if I had my previous Inuke 6000s set up improperly or not but this amp is a definite keeper.

Now my only question is if a NU-4 6000 will be enough to power four Yorkville u215 speakers or if should use two inuke 6000 amps to power them. I was so shocked by the sound quality that I immediately placed my Crown XLI 3500 up for sale.


man........


all amps like this are gonna sound the same......


Now you've swung from saying class D amps suck and you can definitely tell the difference between amps, to the opinion the iNuke amp Class D amps rock and they sound better than your old iron amps?

This is either setup differences, or frankly nothing more than placebo! Build yourself a quick switch device, or borrow mine, and do some legitimate testing!

I'm quite positive you couldn't tell the difference between your XLI 3500 and the iNuke NU-4 6000 in a blind A/B test with instant switching. Assuming one wasn't defective and they were level matched. We had a group of enthusiasts in KC try an iNuke DSP 3000 amp against a Crown XLS 200 amp in blind testing with instant switching and not one of us could tell the difference on full range Kipsch Reference tower speakers, nor on JTR 212HT speakers, up to uncomfortably loud listening levels.
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post #206 of 247 Old 01-28-2015, 07:41 AM
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I just wish the iNuke NU4 6000 came with the DSP option

That would be my idea of a great sub amp...and would motivate me to keep building subs until all the channels are full.

Any word when/if Behringer is going to add DSP to their 4 channel amp?
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post #207 of 247 Old 01-28-2015, 09:01 AM
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Quote:
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man........


all amps like this are gonna sound the same......


Now you've swung from saying class D amps suck and you can definitely tell the difference between amps, to the opinion the iNuke amp Class D amps rock and they sound better than your old iron amps?

This is either setup differences, or frankly nothing more than placebo! Build yourself a quick switch device, or borrow mine, and do some legitimate testing!

I'm quite positive you couldn't tell the difference between your XLI 3500 and the iNuke NU-4 6000 in a blind A/B test with instant switching. Assuming one wasn't defective and they were level matched. We had a group of enthusiasts in KC try an iNuke DSP 3000 amp against a Crown XLS 200 amp in blind testing with instant switching and not one of us could tell the difference on full range Kipsch Reference tower speakers, nor on JTR 212HT speakers, up to uncomfortably loud listening levels.
I respectfully disagree. Also, I never said all class d amps suck. What I did state is the lower end, budget class d amps I've heard did not impress me sound quality wise. I've never heard a mid tier or high end class d amp.

I notice most of the guys who say all amps sound the same here are HT first guys. Listening to only dialogue and boomy explosions during movie playback is one thing. I doubt anyone would hear any differences with that.

As for the Inuke nu4-6000 amd my crown amp. I doubt I could tell the difference in a blind listening test. Both sound very good. However the Inuke 6000 sounds like sh*t on my system. This is not hard for me to spot nor do I need a switching system to tell so.

I don't buy into the old man "short term audio memory" stuff. I can clearly remember the perceived advantages and flaws of every system I've ever owned. I am a music first guy. Not a HT guy.

I will listen to the same song for 3-4 hours. I will also listen to one verse of the same song for up to 2 hours. I've done this with countless amps and countless sets of speakers. I'm not going to resurrect this long tired topic that people are sick of. But I definitely do not believe all amps sound the same. Just my opinion of course.

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post #208 of 247 Old 01-28-2015, 09:21 AM
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Quote:
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I don't buy into the old man "short term audio memory" stuff. I can clearly remember the perceived advantages and flaws of every system I've ever owned. I am a music first guy. Not a HT guy.

I will listen to the same song for 3-4 hours. I will also listen to one verse of the same song for up to 2 hours. I've done this with countless amps and countless sets of speakers. I'm not going to resurrect this long tired topic that people are sick of. But I definitely do not believe all amps sound the same. Just my opinion of course.
I completely agree here and I also follow a similar process.

If anything I was biased for the iNuke. I wanted it to work and be the amp(s) that I wanted to live with. I cannot deny the sound difference and I have lost out on some money in the process.
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post #209 of 247 Old 01-28-2015, 12:10 PM
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Echoic memory, check it out! Are you suggesting memory biases are not real? Any scientific evidence to the contrary?

"I don't buy into the old man "short term audio memory" stuff."
So only old men believe in short term audio memory?

"I notice most of the guys who say all amps sound the same here are HT first guys. Listening to only dialogue and boomy explosions during movie playback is one thing. I doubt anyone would hear any differences with that."
Dialogue seems to be right in the sweet spot for our hearing abilities and we hear dialogue all the time. So it would seem any issues in presentation in this region would stick out to most anyone a lot easier than most things. Are you still using a 2-way sitting sideways on the floor for a center channel? Do you have a house now or are you still in an apartment? Why not quit swapping gear monthly and save up for a space that can be cranked at anytime and can be properly treated for improved sound quality? Measurement equipment?

"Well I recently picked up my seventh Inuke 6000 and tried it with my Yorkville U215s. And the results were identical to what I remember from the past. Muffled highs, good midbass, and strong but not overly tight lowend."
You mean that 151st batch run didn't have the buttery highs you were looking for? I heard 2014 was a good year for the inukes, thats weird. What's the old quote about insanity is doing something over and over again and expecting different results.

Archaea's amp test is when he swapped amps and kept everything equal and measured is more of the objective type of amp testing that pulls more weight for me. Think there is a difference in inukes, send an Inuke nu4-6000 and a Inuke 6000 to Notnyt when he is up and running and let's get to the bottom of this.

Look I am not saying if these amps sound better or worse than anything else. This dialogue every time you get another of the same amps with no proof or explanation of why doesn't help anyone. Maybe others wouldn't even give them a try because they have read your numerous posts saying its crap because you hear it and know so. Maybe they wouldn't have an issue but are now considering spending more money on something that wouldn't even be an issue for them.

Diamonddelts tag line -still not measuring, member since 2009. Ears went from golden to platinum 2011. Measurements, we don't need no stinking measurements.
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post #210 of 247 Old 01-28-2015, 12:26 PM
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Quote:
Originally Posted by Luke Kamp View Post
Echoic memory, check it out! Are you suggesting memory biases are not real? Any scientific evidence to the contrary?

"I don't buy into the old man "short term audio memory" stuff."
So only old men believe in short term audio memory?

"I notice most of the guys who say all amps sound the same here are HT first guys. Listening to only dialogue and boomy explosions during movie playback is one thing. I doubt anyone would hear any differences with that."
Dialogue seems to be right in the sweet spot for our hearing abilities and we hear dialogue all the time. So it would seem any issues in presentation in this region would stick out to most anyone a lot easier than most things. Are you still using a 2-way sitting sideways on the floor for a center channel? Do you have a house now or are you still in an apartment? Why not quit swapping gear monthly and save up for a space that can be cranked at anytime and can be properly treated for improved sound quality? Measurement equipment?

"Well I recently picked up my seventh Inuke 6000 and tried it with my Yorkville U215s. And the results were identical to what I remember from the past. Muffled highs, good midbass, and strong but not overly tight lowend."
You mean that 151st batch run didn't have the buttery highs you were looking for? I heard 2014 was a good year for the inukes, thats weird. What's the old quote about insanity is doing something over and over again and expecting different results.

Archaea's amp test is when he swapped amps and kept everything equal and measured is more of the objective type of amp testing that pulls more weight for me. Think there is a difference in inukes, send an Inuke nu4-6000 and a Inuke 6000 to Notnyt when he is up and running and let's get to the bottom of this.

Look I am not saying if these amps sound better or worse than anything else. This dialogue every time you get another of the same amps with no proof or explanation of why doesn't help anyone. Maybe others wouldn't even give them a try because they have read your numerous posts saying its crap because you hear it and know so. Maybe they wouldn't have an issue but are now considering spending more money on something that wouldn't even be an issue for them.

Diamonddelts tag line -still not measuring, member since 2009. Ears went from golden to platinum 2011. Measurements, we don't need no stinking measurements.
Lol. I'm not gonna lie. This post is full of literary gold from a comedy standpoint. With that being said, everything I've posted is my opinion. At no time have I ever tried to upsell, convince, or trick anyone into thinking my subjective opinions are to be taken as science based gospel.

They are what they are. My opinion. And I'm not going into a scientific spiel or give multiparagaph gobbledy gook everytime I give my opinion. Guys here are obsessed with graphs and quantifying any strong rhetoric with scientific data. I get that.

But as stated before, my posts are based on my opinions only. When I start spitting off rhetoric questioning the specific performance on a piece of equipment here, I expect to be called out on it. Everyone else gets it when they do so. But for my opinion.....meh.

Thank you for the laughs. Lord knows I certainly needed them today.
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Last edited by Swolephile; 01-28-2015 at 12:39 PM.
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