Room Measurments with REW Noob - Page 3 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #21 of 43 Old 11-30-17, 09:28 PM
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Re: Room Measurments with REW Noob

Does the driver have dual voice coils? If so maybe you have the polarity off on one of them?

Also, a low pass filter might be engaged with the amp or equalizer?

Regards,
Wayne



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post #22 of 43 Old 11-30-17, 10:10 PM Thread Starter
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Re: Room Measurments with REW Noob

This is the original, single voice-coil 4 ohm version, Thiele-Small parameters:

Fs = 17.7 Hz
Re = 3.4 ohms[dc]
Le = 6.09 mH
Qt = 0.37
Qes = 0.39
Qms = 5.59
Mms = 434.34 grams
Rms = 8.69 kg/s
Cms = 0.184 mm/N
Vas = 274.1 liters
Sd= 1029.22 cm^2
Bl = 20.51 Tm
Lp(2.83V/1m) = 91.60 dB
Xmax = 22mm

Power Handling: 800 Watts
SPL (2.83v/1m): 89.2 db
Impedance: 4 Ohm (SVC)

Recommended Enclosure Sizes:
Sealed: 4.6 cubic feet
Ported: 7 cubic feet @ 19Hz
EBS: 12.4 cubic feet @ 15Hz


I just looked at a link that had this info and a picture of that driver he had for sale it looks just like the one I have so it is the correct driver I think..

It is a Single voice coil. I was just thinking is it possible I wired the Speakon connector wrong?

EDIT: I just checked the wire on the cabinet and the speakon connector it appears to be wired properly.. I just have to pull the driver off to make sure I have the positive and negative correct..

here is a Picture of the drive I have:




the below link is how to set the inuke to 16hz with the HPF. I think the LPF is OFF??


http://www.avsforum.com/forum/155-di...z-dcx2496.html


Thank you for helping me

Last edited by The_Nephilim; 11-30-17 at 11:13 PM.
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post #23 of 43 Old 12-01-17, 08:24 PM
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Re: Room Measurments with REW Noob


Is that your sub – dual drivers?

Yes, I meant hi-pass filter, sorry. Frankly, with the capability of that sub, I don’t see a reason for a HP. I’d suggest bypassing it for the time being so we can make sure it’s not the problem.

Regards,
Wayne




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post #24 of 43 Old 12-01-17, 08:47 PM Thread Starter
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Re: Room Measurments with REW Noob

Well when I bought it I was a Noob big time and sold the other driver OOPPPS!! Well I will get two next time out

I will remove the Filter and see what happens.. so I will take a measurement from the MLP with the Subwoofer..

I will do that tomorrow as I have some things currently going on.. I did hook the sub back up and it was definitely hooked up correctly.. I am going to install some T-Nuts on the sub tomorrow also so I can check the polarity of the wiring to the driver..
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post #25 of 43 Old 12-03-17, 02:54 AM Thread Starter
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Re: Room Measurments with REW Noob

Well I did not get to check the sub earlier but I will try and get some Sunday.. IF I still get that dip with the HPF Off what would that indicate?
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post #26 of 43 Old 12-03-17, 10:41 AM
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Re: Room Measurments with REW Noob

Good question. Do you have another amp you can try?

Regards,
Wayne



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post #27 of 43 Old 12-03-17, 02:10 PM Thread Starter
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Re: Room Measurments with REW Noob

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Wayne A. Pflughaupt wrote: View Post
Good question. Do you have another amp you can try?

Regards,
Wayne
No I do not.. so maybe the amp could be faulty?? I did try both channels and it did the same thing it had that dip..
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post #28 of 43 Old 12-03-17, 04:14 PM
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Re: Room Measurments with REW Noob

Maybe you could get an amp from a place like Guitar Center for a test, and then return it?

Regards,
Wayne



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post #29 of 43 Old 12-03-17, 04:15 PM
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Re: Room Measurments with REW Noob

Also, could it be something in your receiver? Do you have an old active sub you could try for comparison? You are using the receiver's sub output, right?

Regards,
Wayne



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post #30 of 43 Old 12-04-17, 01:08 AM Thread Starter
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Re: Room Measurments with REW Noob

Quote:
Wayne A. Pflughaupt wrote: View Post
Also, could it be something in your receiver? Do you have an old active sub you could try for comparison? You are using the receiver's sub output, right?

Regards,
Wayne
Yes I will try and see If I can rent an amp at Guitar Center or something.. Yes I am using the Subwoofer Output on my Receiver.. No I gave my old active sub to my niece..
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