calibrating subwoofer with spl - Blu-ray Forum

cembros · 09-01-2008, 04:22 PM

i finally picked up an spl meter (digital radio shack) and im trying to set up my speakers. I have the weighting set to C and the response set to slow. Iv gone through and adjusted all my speakers so that the db level is at 75 when the test tone plays a volume level 0. The problem is when i select the test tone on my subwoofer the spl meter reads 80 and no matter how i adjust the db level for the sub on the receiver. Please help

Kryptron · 09-01-2008, 06:59 PM

I used the same meter a couple days ago and had a similar result. I then looked at this thread and noticed the following...

Quote:

The Radio Shack SPL meters work okay in the middle frequencies, but at low frequencies when using it for setting subwoofers, it can be off as much as 4dB. To get better results, you may consider a more expensive SPL meter, such as the Gold Line , Nady, Galaxy, etc.

cembros · 09-01-2008, 07:06 PM

well thats great news after i just spent 50 bucks

Kryptron · 09-01-2008, 07:09 PM

Quote:

well thats great news after i just spent 50 bucks

Just take it back, radioshack has a 30 day refund policy.

cembros · 09-01-2008, 11:14 PM

ok just returned it, now to decide which one to get

cembros · 09-01-2008, 11:17 PM

recomendations would be nice. I looked at the recomendations in the thread about calibrating your speakers system, but cannot decide

09-01-2008, 04:22 PM	#1
cembros Power Member Member since:Jan 2008 Blu-ray collection:456 Trading Score:4	calibrating subwoofer with spl i finally picked up an spl meter (digital radio shack) and im trying to set up my speakers. I have the weighting set to C and the response set to slow. Iv gone through and adjusted all my speakers so that the db level is at 75 when the test tone plays a volume level 0. The problem is when i select the test tone on my subwoofer the spl meter reads 80 and no matter how i adjust the db level for the sub on the receiver. Please help

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09-01-2008, 07:06 PM	#3
cembros Power Member Member since:Jan 2008 Blu-ray collection:456 Trading Score:4	well thats great news after i just spent 50 bucks

09-01-2008, 11:14 PM	#5
cembros Power Member Member since:Jan 2008 Blu-ray collection:456 Trading Score:4	ok just returned it, now to decide which one to get

09-01-2008, 11:17 PM	#6
cembros Power Member Member since:Jan 2008 Blu-ray collection:456 Trading Score:4	recomendations would be nice. I looked at the recomendations in the thread about calibrating your speakers system, but cannot decide

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