Home Theater Systems - Electronics and Forum - HomeTheaterShack - View Single Post - Repositioned sub and started to re-EQ

**JohnM** · **02-02-07, 11:59 AM**

That's not room gain at the bottom end, it is the first length modal resonance at around 26Hz and the first width mode at or just over 30Hz. Can easily get modal gain of 15dB or more at those frequencies.