G1815 Nominal Basket Diameter18"lmpedance8 ΩPower Rating600 WRMSResonance32HzSensitivity98dB/W.MMagnet Weight120 OzGap Height10 mmVoice Coil Diameter100 mmUsable Frequency RangeFo--2.5kHz More G1515 Nominal Basket Diameter15"lmpedance8 ΩPower Rating450 WRMSResonance46HzSensitivity97dB/W.MMagnet Weight83 OzGap Height10 mmVoice Coil Diameter76 mmUsable Frequency RangeFo--3.5kHz More G1215 Nominal Basket Diameter12"lmpedance8 ΩPower Rating300 WRMSResonance60HzSensitivity94dB/W.MMagnet Weight50 OzGap Height8 mmVoice Coil Diameter65 mmUsable Frequency RangeFo--4kHz More G1015 Nominal Basket Diameter10"lmpedance8 ΩPower Rating250 WRMSResonance65HzSensitivity93dB/W.MMagnet Weight40 OzGap Height8 mmVoice Coil Diameter50 mmUsable Frequency RangeFo--4.2kHz More G1505 Nominal Basket Diameter15"lmpedance8 ΩPower Rating350 WRMSResonance42HzSensitivity97dB/W.MMagnet Weight67 OzGap Height9.5 mmVoice Coil Diameter61 mmUsable Frequency RangeFo--4.5kHz More G1205 Nominal Basket Diameter12"lmpedance8 ΩPower Rating200 WRMSResonance47HzSensitivity94dB/W.MMagnet Weight40 OzGap Height8 mmVoice Coil Diameter50 mmUsable Frequency RangeFo--4kHz More G1005 Nominal Basket Diameter10"lmpedance8 ΩPower Rating200 WRMSResonance65HzSensitivity95dB/W.MMagnet Weight33 OzGap Height8 mmVoice Coil Diameter50 mmUsable Frequency RangeFo--4kHz More G805 Nominal Basket Diameter8"lmpedance8 ΩPower Rating200 WRMSResonance85HzSensitivity94dB/W.MMagnet Weight28 OzGap Height8 mmVoice Coil Diameter50 mmUsable Frequency RangeFo--4.5kHz More