| Re: How to find resonant frequency using REW Agree with Wayne on this one. Take some full range measurements with both front speakers and separate measurements (with only one speaker at a time) if you feel like it might help. Martin Logan Vista | Swans F1.1C | SVS PC-Ultra | SlimDevices Transporter | Bladelius Tyr | Yamaha RX-V1800 | Denon DVD-2930 | Klipsch RS-52 | Sharp XV-Z3000 | Adeo Greyvision Plano 16:9 100" |