Denon auto set up mic with Rew - Home Theater Forum and Systems - HomeTheaterShack.com

 
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post #1 of 10 Old 01-09-14, 05:54 PM Thread Starter
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Denon auto set up mic with Rew

Hi,

This is my first post. I have recently purchased a svs pb12plus and wish to measure its inroom frequency response with rew. My spl meter does not have analogue output. Will the denon auto setup mic give me a ballpark frequency through my mic input on my laptop.

Thanks
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post #2 of 10 Old 01-09-14, 06:02 PM
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Re: Denon auto set up mic with Rew

Sadly no, you won't be able to use the mic that comes with any receiver with REW as the calabration file is unknown.

Home theater:
Onkyo 805, Yamaha YDP2006EQ, Samson Servo 600 amp
3 EV Sentry 500 monitors across the front, 4 Mission 762i's Surrounds, SVS PB13U sub, Panasonic BDT220, Harmony 1100, Nintendo WiiU
Panasonic PT-AE8000 on a 120" 2,35:1 fixed screen

Living room system:
Sherwood/Newcastle R972, Mission 765's, SVS SBS02's, A/D/S MS3u sub, Yamaha YDG2030EQ
Yamaha KX-393 Tape deck, CDC 805 CD changer, Panasonic BD60, Sony turntable PS-T20
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post #3 of 10 Old 01-09-14, 07:01 PM Thread Starter
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Re: Denon auto set up mic with Rew

Thanks

Will a test tone cd with spl meter in listening position give me a response.keep in mind I just wish to check for any big peaks or nulls in the room?

Cheers
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post #4 of 10 Old 01-09-14, 07:20 PM
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Re: Denon auto set up mic with Rew

It would be very difficult to get any usable information that way. Your best option is to get one of these to use with REW
http://www.minidsp.com/products/acou...urement/umik-1

Home theater:
Onkyo 805, Yamaha YDP2006EQ, Samson Servo 600 amp
3 EV Sentry 500 monitors across the front, 4 Mission 762i's Surrounds, SVS PB13U sub, Panasonic BDT220, Harmony 1100, Nintendo WiiU
Panasonic PT-AE8000 on a 120" 2,35:1 fixed screen

Living room system:
Sherwood/Newcastle R972, Mission 765's, SVS SBS02's, A/D/S MS3u sub, Yamaha YDG2030EQ
Yamaha KX-393 Tape deck, CDC 805 CD changer, Panasonic BD60, Sony turntable PS-T20
Panasonic TC-P50ST60, HD-PVR & WDTV Live, Harmony 900

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post #5 of 10 Old 01-10-14, 10:45 AM
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Re: Denon auto set up mic with Rew


Quote:
mikmaz wrote: View Post
Will a test tone cd with spl meter in listening position give me a response.keep in mind I just wish to check for any big peaks or nulls in the room?
Sure, that will work Ė if you have the right test tone disc. Not as accurate as REW of course, but thatís the way we used to do it before REW!

Assuming youíre talking about peaks or nulls in bass response, all you need is 1/6-octave sine wave test tones, and some graph paper to plot your SPL measurements for each tone.

Regards,
Wayne



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post #6 of 10 Old 01-10-14, 09:39 PM Thread Starter
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Thanks Wayne

Can rew generate these test tones for me instead of a cd?
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post #7 of 10 Old 01-11-14, 12:18 PM
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Re: Denon auto set up mic with Rew


Yes, I believe REW generates frequency-specific tones. Or, you can get them here, along with a nifty Excel spreadsheet that will generate a graph for you. The tones you want for 1/6-octave are (Hz):

18
20
22
25
28
32
36
40
45
50
56
63
71
80
89
100
111
125

Regards,
Wayne



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post #8 of 10 Old 01-12-14, 06:04 AM Thread Starter
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Thanks Wayne

I will have a go when the family is out the house.
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post #9 of 10 Old 01-13-14, 02:48 AM Thread Starter
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Thank you for your help, I managed to plot a graph with the excel spreadsheet and I was pleasantly suprised with pb12 plus and it's extension all the way down to 12hz. It also had considerable strength and decent linearity when crossed at 80hz and measured with my mains on.

I think I'll try a few more in all three tunes, with just sub and then with both sub and mains on. It's really interesting to see how it works.

Cheers again
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post #10 of 10 Old 01-13-14, 02:57 AM Thread Starter
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Hi

I managed to measure my pb12plus and it's inroom frequency response and I was pleasantly suprised to see no major nulls or peaks. I was suprised to see it extend down to 12hz inroom and it had slightly stronger output from 30hz to 80hz in its current placement.

I plan to try a few more graphs in all 3 tuning modes and with my mains on.

Thanks for the advice. It's great to see the different fr that is possible with this sub
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