The GF series is designed for the discerning audiophile customer. To meet the needs of this audience, several new technologies were developed with the goal of lowering distortion and damping in the speaker. The coated fiberglass cone reduces vibration and standing waves, and the vented motor system minimizes power compression. The combined result is a very open and dynamic sound.
The 18W/4434G has the same frame size and should be considered as a replacement for the PL18WO09-04 or the MG18WK09-04.
0.2 cubic foot sealed box with 20% filling for F3 of 115Hz
0.45 cubic foot box with 2" vent by 6" long for F3 of 65hz
0.6 cubic foot box with 2" vent by 4" long for F3 of 56Hz