Official Rythmik Audio Subwoofer thread - Page 611 - AVS | Home Theater Discussions And Reviews
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post #18301 of 18304 Old Yesterday, 05:00 PM
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Guys i just finished the calibration of my system ussing my avr multeq xt. If i want to check the calibrated db of my subwoofer using spl meter how to do that? My avr set it it +2.5db. I want to check if it is 75 to 78 db. Do i need to sit from my main sitting position and hold the spl? It seems that from my sitting position it gives me on 70db running pink noise from my avr. Tia.
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post #18302 of 18304 Old Today, 07:41 AM
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Originally Posted by tapsilog View Post
Guys i just finished the calibration of my system ussing my avr multeq xt. If i want to check the calibrated db of my subwoofer using spl meter how to do that? My avr set it it +2.5db. I want to check if it is 75 to 78 db. Do i need to sit from my main sitting position and hold the spl? It seems that from my sitting position it gives me on 70db running pink noise from my avr. Tia.
Hey. Audyssey is generally very good in setting spl levels if you follow their straight forward directions from the website. If you've done that, I wouldn't worry too much about it.

You may just be sitting in a null and increasing the SPL of your sub may make it sound boomy in other areas.

You could do a couple of things. Do a subwoofer crawl to find the best placement for your sub or you could try moving your seating as well. You could buy a second sub and place them in opposite corners or opposite mid points of walls as wel.

However, their are those that like to run their subs hot, so you could increase your trim to +7.5 from + 2.5 and see how that sounds to you.

I hope that helps a little.
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post #18303 of 18304 Old Today, 04:41 PM
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Quote:
Originally Posted by tapsilog View Post
Guys i just finished the calibration of my system ussing my avr multeq xt. If i want to check the calibrated db of my subwoofer using spl meter how to do that? My avr set it it +2.5db. I want to check if it is 75 to 78 db. Do i need to sit from my main sitting position and hold the spl? It seems that from my sitting position it gives me on 70db running pink noise from my avr. Tia.
You will need external test tones to verify 75dB at the Main Listening Position (MLP). The test tones within the AVR cannot implement the room correction filters when Audyssey room equalization set to ON.

If you swtich OFF Audyssey when carrying out the measurements, you are effectively checking for an un-corrected response of your room.

If you have source device that can play blu-ray discs, the AIX records audio calibration test disc is a worth while purchase. The AIX audio calibration disc and SPL meter can then be used to verify your levels and trim settings with Audyssey ON the AVR.

Maranatz SR-7009, Oppo BPD-93, MTV 7000D, LG LW6500, aTV, WDTV Live, Harmony 650 remote, KEF E301, MiniDSP(2x4), Rythmik F12G
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post #18304 of 18304 Old Today, 05:45 PM
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Originally Posted by johnnymacIII View Post
Hey. Audyssey is generally very good in setting spl levels if you follow their straight forward directions from the website. If you've done that, I wouldn't worry too much about it.

You may just be sitting in a null and increasing the SPL of your sub may make it sound boomy in other areas.

You could do a couple of things. Do a subwoofer crawl to find the best placement for your sub or you could try moving your seating as well. You could buy a second sub and place them in opposite corners or opposite mid points of walls as wel.

However, their are those that like to run their subs hot, so you could increase your trim to +7.5 from + 2.5 and see how that sounds to you.

I hope that helps a little.
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Originally Posted by steveting99 View Post
You will need external test tones to verify 75dB at the Main Listening Position (MLP). The test tones within the AVR cannot implement the room correction filters when Audyssey room equalization set to ON.

If you swtich OFF Audyssey when carrying out the measurements, you are effectively checking for an un-corrected response of your room.

If you have source device that can play blu-ray discs, the AIX records audio calibration test disc is a worth while purchase. The AIX audio calibration disc and SPL meter can then be used to verify your levels and trim settings with Audyssey ON the AVR.
Thanks guys for the response. I'm not expert. Maybe for now i will just leave it what audyssey set. ☺
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f12g subwoofer , Rythmik , Rythmik Audio , Rythmik Audio F12 Direct Servo Subwoofer , Rythmik Audio F15 Subwoofer , servo sub



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