michael chuaMay 20, 2018HIFI DRIVERS830870, HDS, Hi-Fi, Midrange, Peerless Peerless 830870 RAW Frequency ResponseBaffle Width=8.5″ • Sealed Box=6 liters Mic at 24ins, woofer axis. Impulse Window=5msec. No Smoothing. Nearfield below 500Hz. Peerless 830870 RAW Toneburst Energy Storage (TES) Peerless 830870 RAW Spectrogram Peerless 830870 RAW Harmonic Distortion Red plot=2nd Harmonic • Violet plot=3rd Harmonic Peerless 830870 Thiele & Small Parameters Sealed Box 3 liters. F3=110Hz, Q=0.89 Sealed Box 5 liters. F3=105Hz, Q=0.82 Sealed Box 7 liters. F3=105Hz, Q=0.79 Updated on July 18, 2018