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8 Ω
Datasheet
18 KL 1840 SUB
The SWETON 18 KL 1840 SUB is a ferrite 18-inch subwoofer tuned for mid-bass impact rather than infrabass depth. Fs ≈ 42 Hz, Qts ≈ 0.607 and Vas ≈ 123 L let it reach full output from enclosures far smaller than a typical 18-inch sub demands – a 125 L cabinet produces ≈ 129 dB at 63 Hz on 1200 W AES. Exceptionally low mechanical loss (Qms 29.6) keeps the suspension out of the way, so the motor’s energy goes into moving air rather than heating rubber.
Key Features
- Program Power : 2400 W
- Response : 40-1500 Hz
- Sensitivity 1W/1M : 95 dB
- Overall Dia : 99.3 mm
- Nominal Diameter 458 mm
- Nominal Impedence 8 Ω
- Nominal Power Handling(AES) 1200 W
- Program Power 2400 W
- Sensitivity (1W/1m) 95 dB
- Frequency Range 40-1500 Hz
- Magnet Material Ferrite
- Voice Coil Diameter 99.3 mm
- Winding Material Copper
- Former Material Glass Fibre
- Winding Type In/Out
- Resonant Frequency (FS) 42.0 Hz
- DC Resistance (Re) 5.36 Ω
- Electrical Q (Qes) 0.620
- Mechanical Q (Qms) 29.59
- Total Q (Qts) 0.607
- Compliance Equivalent Volume (vas) 123.34 Ltrs
- Peak Diaphragm Displacement Volume (Vd) 1.08 Ltrs
- Effective Surface Area of Cone (Sd) 1194.59 cm^2
- Reference Efficiency (ƞo) 1.41%
- Moving Mass including air load (Mms) 235.63 gms
- Motor Strength (Bl) 23.18 T-m
- Voice Coil Inductance @ 1 KHz (Le) 1.12 mH
- Efficiency Bandwith Product (EBP) 68 Hz
- Voice Coil Overhang (Xmax) ±9.00 mm
- Overall Diameter 458 mm
- Bolt Circle Diameter 443 mm
- Baffle Cutout Diameter 422 mm
- Depth 195 mm
- Flange and Gasket Thickness 19 mm
- Gross Weight 12.40 Kgs
- Recone Kit Number REC18KL1840SUB8E
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