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this chart was with the receiver at max and the sound card at max output. It seemed really loud, but according to the graph I am still real low.
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I don't understand why everything was at max.
Did you press the Check Levels button in the Settings routine?
Did you set the input/output levels in the Check Levels routine properly? Output level of the sweep to -12dB (with Wave volume at 1.000 and Output Volume between 0.5000 and 1.000) and and then set the level with your receiver at your Radio Shack meter to 75dB and then set the Input Volume level of REW to match output volume on the VU meter.
Then press the REW Calibrate SPL meter button to match that 75dB?
Then press the REW
Set Target Level button? (I admit this button shoud look more like a button).
When you post your graphs, use a vertical scale of 45dB to 105dB and a horizontal scale of 15Hz to 200Hz.
brucek