Official PSA Triax Thread - Page 46 - AVS Forum
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post #1351 of 3438 Old 11-01-2013, 02:07 PM
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Originally Posted by ellisr63 View Post

Will this one be ok... Dayton Audio UMM-6 USB Measurement Microphone ?

Yes that will be fine, it comes from Cross Spectrum Labs...mine says it right on the box.
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post #1352 of 3438 Old 11-01-2013, 02:42 PM
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Originally Posted by basshead81 View Post

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Originally Posted by ellisr63 View Post

Will this one be ok... Dayton Audio UMM-6 USB Measurement Microphone ?

Yes that will be fine, it comes from Cross Spectrum Labs...mine says it right on the box.
The ones from CSL come with a 90-degree response, but it's possible to get Dayton UMM-6 mics from elsewhere, where they only come with the generic 0-degree response. Until he replies, who knows where he got his mic from?

Although the mic orientation won't make as much difference in the bass region when measuring subwoofers, if someone's going to go through the process of buying a mic and using REW, they might as well get the calibrated mic for not much more so they can use REW to measure and optimize the entire system/room, and for that, the 90-degree response is invaluable.


Max
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post #1353 of 3438 Old 11-01-2013, 04:34 PM
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I picked up a Omni mic in the AVS classifieds last week. I gotta get some time so I can run some graphs.
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post #1354 of 3438 Old 11-01-2013, 04:38 PM
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Quote:
Originally Posted by djbluemax1 View Post

Did you buy a calibrated UMM-6 from Cross Spectrum Labs? If so, you don't need to return it for a UMIK-1. Just pop over to the "REW with USB mics" thread and we'll get you started.

If you HAVEN'T bought a CSL calibrated mic yet, most of us prefer the CSL UMM-6 for USB mics. The UMIK-1 has 1 advantage over the UMM-6 though, and that's the fact that the REW programmer built-in UMIK-1 support into REW. With the UMM-6, you'll have one additional step of using the SPL meter to calibrate your measurement setup.

I'd really like to hear these Triaxs some day. Curious as to how they compare in all areas to Submersive HPs. I'm sure there'll be a sub GTG/Shootout in the future with all the heavy hitters (literally).


Max

No, this is the one I got... http://www.amazon.com/gp/product/B00ADR2E68/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1 . I haven't even opened it up. I told them I want to return it. The Cross Spectrum UMIK-1 is $95, but they have some for $55 too. I asked them what the difference was and this is what they said... "The discount mics usually have a very abnormal frequency response (typically in the low frequencies) compared to the normal mics. You can view the data sheet of a particular discount mic and compare them to the sample frequency response curves under the '"Description" tabs to see the difference (and to know what you're getting). They work otherwise and the calibration curve should correct for the abnormal response..". So should I get the discounted one or the regular priced one?

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post #1355 of 3438 Old 11-01-2013, 07:51 PM
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Quote:
Originally Posted by ellisr63 View Post

Quote:
Originally Posted by djbluemax1 View Post

Did you buy a calibrated UMM-6 from Cross Spectrum Labs? If so, you don't need to return it for a UMIK-1. Just pop over to the "REW with USB mics" thread and we'll get you started.

If you HAVEN'T bought a CSL calibrated mic yet, most of us prefer the CSL UMM-6 for USB mics. The UMIK-1 has 1 advantage over the UMM-6 though, and that's the fact that the REW programmer built-in UMIK-1 support into REW. With the UMM-6, you'll have one additional step of using the SPL meter to calibrate your measurement setup.

I'd really like to hear these Triaxs some day. Curious as to how they compare in all areas to Submersive HPs. I'm sure there'll be a sub GTG/Shootout in the future with all the heavy hitters (literally).


Max

No, this is the one I got... http://www.amazon.com/gp/product/B00ADR2E68/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1 . I haven't even opened it up. I told them I want to return it. The Cross Spectrum UMIK-1 is $95, but they have some for $55 too. I asked them what the difference was and this is what they said... "The discount mics usually have a very abnormal frequency response (typically in the low frequencies) compared to the normal mics. You can view the data sheet of a particular discount mic and compare them to the sample frequency response curves under the '"Description" tabs to see the difference (and to know what you're getting). They work otherwise and the calibration curve should correct for the abnormal response..". So should I get the discounted one or the regular priced one?
Is it worth saving the $40 to calibrate your $3000 subwoofer and who knows how many $XXXX sound system?

While the mics are calibrated with a correction file against a Reference mic, you can't be sure what might have caused the skewed response and how the mic might hold up/retain it's response over time.


Max
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post #1356 of 3438 Old 11-01-2013, 08:15 PM
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Anyone know if these two mini dsp units function the same?

http://www.minidsp.com/products/minidsp-in-a-box/minidsp-2x4

Seems there would be no splicing of cables with the one above verses the one below - it is cheaper too

http://www.minidsp.com/products/minidsp-in-a-box/minidsp-balanced-2x4

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post #1357 of 3438 Old 11-01-2013, 08:34 PM
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Originally Posted by raynist View Post

Anyone know if these two mini dsp units function the same?

http://www.minidsp.com/products/minidsp-in-a-box/minidsp-2x4

Seems there would be no splicing of cables with the one above verses the one below - it is cheaper too

http://www.minidsp.com/products/minidsp-in-a-box/minidsp-balanced-2x4

yes one is unbalanced or rca connection(which is what I have), the other is balanced and needs to be wired. The unbalanced revision b. should work well for your setup. The balanced works well for diy setups using pro amps that need alot more input voltage.
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post #1358 of 3438 Old 11-02-2013, 11:39 AM
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The balanced 2x4 is the way to go. Because it can output higher voltages, it'll guarantee you have no need for a line booster between it and your amp. There's no splicing of cables necessary, anyway - just cut and strip, which is super easy.

Don't shortcut just because you are scared of cutting wires - it may cost you $125 if the rca version doesn't output enough voltage.
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post #1359 of 3438 Old 11-02-2013, 11:43 AM
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Originally Posted by nube View Post

The balanced 2x4 is the way to go. Because it can output higher voltages, it'll guarantee you have no need for a line booster between it and your amp. There's no splicing of cables necessary, anyway - just cut and strip, which is super easy.

Don't shortcut just because you are scared of cutting wires - it may cost you $125 if the rca version doesn't output enough voltage.
I ordered the balanced 2x4.

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post #1360 of 3438 Old 11-02-2013, 04:33 PM
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http://www.powersoundaudio.com/collections/prism/products/triax
Scroll to bottom

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post #1361 of 3438 Old 11-02-2013, 04:38 PM
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Originally Posted by nube View Post

The balanced 2x4 is the way to go. Because it can output higher voltages, it'll guarantee you have no need for a line booster between it and your amp. There's no splicing of cables necessary, anyway - just cut and strip, which is super easy.

Don't shortcut just because you are scared of cutting wires - it may cost you $125 if the rca version doesn't output enough voltage.

The unbalanced revision b. outputs plenty of voltage for a plate amp subwoofer. I have not herd any issues at all, with a external pro amp powering passive subs yes it can be a problem.
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post #1362 of 3438 Old 11-02-2013, 05:59 PM
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The unbalanced revision b. outputs plenty of voltage for a plate amp subwoofer. I have not herd any issues at all, with a external pro amp powering passive subs yes it can be a problem.

If a person is reading this thread they probably already have AVSitis, 7 out of 10 cases lead to DIY. Cheaper to buy the right tool on the first go-around :-P
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post #1363 of 3438 Old 11-02-2013, 06:02 PM
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If a person is reading this thread they probably already have AVSitis. The eventual cure is DIY. Cheaper to buy the right tool on the first go-around :-P

I doubt it....DIY is not going to get you more output then this sub all things equal. Doller per displacement DIY can offer more. So most likely anybody in this thread has the money and is not looking to go DIY.
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post #1364 of 3438 Old 11-02-2013, 06:05 PM
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post #1365 of 3438 Old 11-02-2013, 06:16 PM
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I doubt it....DIY is not going to get you more output then this sub all things equal. Doller per displacement DIY can offer more. So most likely anybody in this thread has the money and is not looking to go DIY.

Probably right .... I forgot this was the Triax thread!
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post #1366 of 3438 Old 11-02-2013, 06:17 PM
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So what does this mean in plain language? Should I have not ordered the minidsp balanced version?

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post #1367 of 3438 Old 11-02-2013, 06:38 PM
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I think what it means is you can have too much output voltage depending on your AVR. The balanced mini has 4.8 volts combined with 4+ volts from a Pioneer avr could cause a issue where you can not turn the sub trim low enough to keep from cliping the signal at reference.
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post #1368 of 3438 Old 11-02-2013, 07:12 PM
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Originally Posted by ellisr63 View Post

So what does this mean in plain language? Should I have not ordered the minidsp balanced version?

I don't own either, however, I did read through the manuals briefly. It read that you could set the output voltage on the lanced to the same level as the unbalanced one. You can also set the balanced one higher if need be.
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post #1369 of 3438 Old 11-02-2013, 07:23 PM
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Originally Posted by Ozzie Isaac View Post

I don't own either, however, I did read through the manuals briefly. It read that you could set the output voltage on the lanced to the same level as the unbalanced one. You can also set the balanced one higher if need be.
Will I have a problem with the Denon 4520ci and the Triax with a minidsp?

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post #1370 of 3438 Old 11-02-2013, 08:01 PM
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No, you won't have a problem with the Balanced 2x4. Just as Ozzie said, you can set it for 0.9V or 2.0V output with a jumper. Not sure why the guy worried about clipping the signal in the link above didn't just set it on the lower output...
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post #1371 of 3438 Old 11-02-2013, 08:14 PM
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Originally Posted by Joshjp View Post

http://www.powersoundaudio.com/collections/prism/products/triax
Scroll to bottom

Dude thats awesome! Look at those numbers, holy crap!
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post #1372 of 3438 Old 11-02-2013, 08:46 PM
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Dude thats awesome! Look at those numbers, holy crap!

Tom changed the numbers to 1m cea2010. Subtract 9db for 2m rms which is what was initially posted when the Triax was released. 2m rms is more in line with what you will see at the LP.
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I dont get why they changed them, very odd.

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post #1374 of 3438 Old 11-02-2013, 08:50 PM
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Originally Posted by basshead81 View Post

Tom changed the numbers to 1m cea2010. Subtract 9db for 2m rms which is what was initially posted when the Triax was released. 2m rms is more in line with what you will see at the LP.

Ok so basically he posted what they output close by, man that sounds like some good numbers. Seems like the low end is plenty strong, I can't wait to check this out!
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post #1375 of 3438 Old 11-02-2013, 08:52 PM
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I dont get why they changed them, very odd.

Maybe it was just to show comparison to the other speakers and because people place them at so many positions anyways so it's like why not just put the numbers that they actually produce just to show how powerful they are. Not really sure why else but it seems to make sense

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post #1376 of 3438 Old 11-02-2013, 09:06 PM
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Ok so basically he posted what they output close by, man that sounds like some good numbers. Seems like the low end is plenty strong, I can't wait to check this out!

those would be the numbers if you sat on top of the sub or have it right next to the LP.
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post #1377 of 3438 Old 11-02-2013, 09:10 PM
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Originally Posted by basshead81 View Post

those would be the numbers if you sat on top of the sub or have it right next to the LP.
1 meter away just like the standard measurement for all home speakers.

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post #1378 of 3438 Old 11-02-2013, 09:12 PM
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Originally Posted by basshead81 View Post

those would be the numbers if you sat on top of the sub or have it right next to the LP.

Haha so I'll sit on my Triax then so I can experience optimal performance! Not sure what my family will think if they walk in and see me! eek.gif
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Triax! http://www.youtube.com/watch?v=rhoKuxirdIg
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post #1379 of 3438 Old 11-02-2013, 09:20 PM
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Originally Posted by ellisr63 View Post

1 meter away just like the standard measurement for all home2-3akers.

Yes 1m peak is cea2010 standard...however ricci @ data bass has been using 2m rms because thats more in line with what one will see at the LP. I would assume Not to many sit 2-3ft away from there speakers. I dont blame Tom for using them since everybody else does. It makes things easier to compare and probably save some rehetorical questions from being asked.
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post #1380 of 3438 Old 11-02-2013, 09:34 PM
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Originally Posted by basshead81 View Post

Yes 1m peak is cea2010 standard...however ricci @ data bass has been using 2m rms because thats more in line with what one will see at the LP. I would assume Not to many sit 2-3ft away from there speakers. I dont blame Tom for using them since everybody else does. It makes things easier to compare and probably save some rehetorical questions from being asked.
Klipsch Heresy Industrial HIP speakers are the only one I know that deviates from the standard measurement as they do 92db with 1 watt @3m.... Which equates to 101db @1 meter with 1 watt.

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