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8 Ω
Datasheet
18 IT 1500 N SUB
The SWETON 18 IT 1500 N SUB is a Ferrite 18-inch lowfrequency transducer built for touring rigs and live shows where weight matters as much as output. At 15.2 kg it carries a 1195 cm² diaphragm, ±12 mm Xmax and a Bl ≈ 24.4 N/A motor on a 229 g moving assembly, resonating at Fs ≈ 32.8 Hz — genuinely low for an 18-inch driver. With 1500 W AES and Qts ≈ 0.448 it serves equally as a full-range LF section or a dedicated subwoofer, reaching −3 dB at 35 Hz in a 190 L reflex cabinet.
Key Features
- Program Power : 3000 W
- Voice Coil Diameter : 99.3 mm
- Response : 33-4000 Hz
- Sensitivity 1W/1M : 95 dB
- Nominal Diameter 457 mm
- Nominal Impedence 8 Ω
- Nominal Power Handling(AES) 1500 W
- Program Power 3000 W
- Sensitivity (1W/1m) 95 dB
- Frequency Range 33-4000 Hz
- Magnet Material Ferrite
- Voice Coil Diameter 99.3 mm
- Winding Material Copper
- Former Material Glass Fibre
- Winding Type In/Out
- Resonant Frequency (FS) 32.8 Hz
- DC Resistance (Re) 5.83 Ω
- Electrical Q (Qes) 0.461
- Mechanical Q (Qms) 16.36
- Total Q (Qts) 0.448
- Compliance Equivalent Volume (vas) 207.56 Ltrs
- Peak Diaphragm Displacement Volume (Vd) 1.43 Ltrs
- Effective Surface Area of Cone (Sd) 1194.59 cm^2
- Reference Efficiency (ƞo) 1.53%
- Moving Mass including air load (Mms) 229.23 gms
- Motor Strength (Bl) 24.45 T-m
- Voice Coil Inductance @ 1 KHz (Le) 1.01 mH
- Efficiency Bandwith Product (EBP) 71 Hz
- Voice Coil Overhang (Xmax) ±12.00 mm
- Overall Diameter 457 mm
- Bolt Circle Diameter 444 mm
- Baffle Cutout Diameter 421 mm
- Depth 225 mm
- Flange and Gasket Thickness 18.75 mm
- Gross Weight 15.20 Kgs
- Recone Kit Number REC18IT1500N8E
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