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The AVR (Pioneer VSX-509S) will increase/decrease the sub's volume. I'm thinking it's a calibration thing. I still haven't had time (read: wife and baby in the house) to properly calibrate the sub. My system will play loud, but the test tones at calibration levels bug the wife. Go figure. What's...

Well, glad to see I'm not crazy. No boost on the amp. This project was basic; now I need to get some help with the auto-on signal. The output signal from the AVR to the sub, does it increase or decrease as I adjust the level when calibrating? I can't figure out why the sub won't/can't auto-power...

My living room is about 2300 ft^3, but it's open to the kitchen and the rest of the house. Using Vance Dickason's book, I calculated Fc. I used boxplot to get F3. But I used the book again to calculate F3, and got 41.08. In other words, Fc=F3. Is this right? Maybe my math is wrong. Two...

Simulations indicate Fc of 41.08 and -3dB of 31.07. I went sealed for the SQ. Wanted extension, but was willing to sacrifice it for SQ. Well, not anymore! But room gain indicates -3dB is somewhere else. My preliminary measurements @ 16Hz 94dB. Fc seems about right, though. :D I can tell...

I was able to get a quick test tone measurement done while the wife took our baby for a walk. (read: 30 minutes). These are uncorrected values 10 Hz, 63dB; 16 Hz 83; 20 89; 25 92; 30 99; 35 92; 40 98; 45 96; 50 92; 55 97; 60 96; 63 96; 70 89; 80 98. Corrected Values 16 94.5; 20 96.5; 25...

Could I add an LT to my amp? It's the Rythmik 250. What other options do I have for adding an LT? How much smaller could the enclosure be with the LT? My living room is about 2300 ft^3, but it's open to the kitchen and the rest of the house.

The story here started on another thread last week, and I should've started a new thread then. Received the Atlas 15 Tuesday. Came home and connected it up as per instructions, calibrated it, and fired it up! :D Well, with the 4 ohm amp powering the 4 ohm Atlas, oh man, what a sweet sound. I...