New to the Shack and REW...

**busahaya03** · **08-30-09, 02:12 PM**

Hello Everyone,

First of all, I would like to thank John M, Brucek, and Wayne along with the rest of the contributors for the great amount of info at the Shack

... I just purchased an external USB soundcard, specifically, Creative Sound Blaster X-fi(model SB1090) a radio shack SLM 33-4050 Analog, along with of course REW 4.11, build 1086... the equipment i'm trying to optimize, a AV123 MFW-15, along with some Polk M40's bookshelfs which are hooked up to an Onkyo 705... My room dimensions are 11x12x8... However, upon trying to calibrate my soundcard, i dont seem to get a flat response, I seem to get from 20Hz-20kHz flatness; +8.1, -0.2dB would that seem right? I would like to post my graph but since I'm a newbie

thanks all, look forward to hearing what you all think!

Regards,

Nelson

**brucek** · **08-30-09, 02:17 PM**

It's best to see the graph before we can tell if it's fine.

The post padding thread is used to add a bunch of dummy threads so you can then post your graphs here.

brucek

**busahaya03** · **08-30-09, 02:18 PM**

thanks Brucek, just cleared my post count now, I'll upload in a few secs!!!

**busahaya03** · **08-30-09, 02:22 PM**

alright, here we go...http://i9.photobucket.com/albums/a55...0830091119.jpg

**brucek** · **08-30-09, 02:29 PM**

Normally you would post a soundcard cal file with a small vertical axis, so we can view it better, since a soundcard cal file is normally within a db over its flat range.

But in your case it's easy to see there's a problem. No, it's not good.

Note the vertical axis in this example below.

Name: soundcard calibration graph example.jpg
Views: 78
Size: 50.5 KB

Name: soundcard calibration graph example.jpg
Views: 78
Size: 50.5 KB

Looks like you may have 'monitoring' enabled in your soundcard. Check that.

Best to load jpgs onto our site and use img tags, so we can view them.

brucek

**busahaya03** · **08-30-09, 02:35 PM**

that's exactly what I was suspecting, could you point me in the right direction, I'm not to sure were to check...I'm running windows xp, sp3, I checked under control panel>sounds and audio device properties>which tabs would monitoring be under? Also, I'm not running Creative's program that's bundled with the soundcard cd, I just only installed the audio drivers.

**busahaya03** · **08-30-09, 03:22 PM**

alright, Brucek Almighty, thanks for your help, I was able to get to look as you described... What do you all think?

**brucek** · **08-30-09, 05:48 PM**

Quote:

What do you all think?

Perfect..........

brucek

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