2007年2月12日 · The test tone used for calibration in a receiver has an average level of -30 dB which means it is 30 dB below full scale digital (0dB). Not coincidentallly, the average level of …

2012年6月26日 · As a typical movie soundtrack has an average level of -30 dBFS and the receiver's test tones are also at that level, you want the SPL meter to show 75 dB: 75 + 30 = …

2011年3月5日 · If the receiver has an auto setup routine that should be run first as it will attempt to get it right for you; if not, then you need an SPL meter set to slow response and 'C' …

2017年1月13日 · 75 db 1 meter (3.28 feet) is 72 db at main seat ear level. That means my peak is approximately 92 db at my ears in the main seat and 95 db at 1 meter from the speaker. My …

2018年7月5日 · Hi, I have a question about how to properly set the subwoofer level in an AVR using Audyssey. When I set the volume knob on the sub to 1/2 and calibrate using Audyssey, …

2008年5月28日 · If you set the range to 70, when the pointer is at 0 the SPL is 70 dB. If the pointer is at +5 the SPL is 75 dB, etc. You aren't entering offsets to compensate. You adjust …

2021年4月6日 · I was just using the Umik as a SPL on REW. Ok a lot of videos and post same to level the speakers at 75 dB but don’t distinguish between a constant 75 or when it’s bouncing …

2008年1月9日 · So when the level of whatever you are playing is around -30 dB (average level of dialog in a movie), you'll hear 75 dB SPL. When that level increases, so will the SPL. When …

2023年5月3日 · Ir only takes a speaker with low sensitivity of say, 85 dB/2.83V/m, 8 ohm nominal, 4 W to produce 85 dB at 4 meters, or 8 W for 91 dB. 85 dB for the calibration tone is 10 dB …

2011年7月4日 · I think from the listening position I level matched all my speakers to 75 db, and then when it came to the sub, I set it to 75 db average (because it jumps around a lot on the …