Product Name: Gw-1812A 18"-1350W Loudspeaker with 4.5 Inch Copper Voice Coil Model NO.: GW-1812A THD: 0.005%-0.01% Monitor: No LED Certification: CE, RoHS Application: Commercial, Home Speaker Material: Ferrite Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <102dB Trademark: Ganyon Transport Package: 500 X 500 X 250 mm Specification: 18"-1350W Origin: China HS Code: 851829000 Product Description GW-1812A 1350W 18inch high power subwoofer :1350W AES Power Handing110mm(4.5 in) Copper Voice Coil32-1.2KHz Response96 dB SPLGW-1812ATYPICAL CHARACTERISTICSNominal Diameter-462 mmRated impedance-8ΩHalf space sensitivity (1w@1m)-96 dB SPLUsable freq. range-32 - 1200 HzAES Power handing (1)-1350WMaximum Power Handing (2)-2700WMagnet Diameter-250 mmVoice Coil Diameter-115 mmBL ProductBL28.9 N/AMoving massMms0.31 kgTHIELE-SMALL PARAMETERS: TYPICAL (QC LIMITS)Resonance frequencyFs32(±5) HzDC ResistanceRe5.5(±0.5) ΩMechanical quality factorQms4.3Electrical quality factorQes0.31Total quality factorQts0.28Mechanical suspension complianceCms190 (10-6.m/N)Effective piston areaSd0.121 m²Equivalent Cas air loadVas276 dm³Max linear excursionXmax13 ±mmLinear displacement volumeVd0.713 (10-3.m³)Reference efficiencyh01.6 %Unity load volumeVas.Qts²12.8 (10-3.m³)MOUNTING AND SHIPPING INFORMATIonOverall Diameter462 mmBolt Circle Diameter441 mmBaffle Cutout Diameter424.5 mmDepth198 mmNet Weight16 kgShipping Weight17.8 kgShipping Box500 x 500 x 250 mmABSOLUTE MAXIMUM PATINGSShort term max. Input voltageVmax125VMax. excursion before damageXdam16±mmAmbient operating temperatureTa-10 to +50Storage temperature--20 to +70Environmental withstanding Q-OutdoorTransportation methods1. By air to airport;2. By sea to seaport;3. By courier door to door, DHL, TNT, FEDEX, UPS, EMS etc.Pre-sale ServiceA. Quality is our company's culture.B. Reasonable price and reliable service.C.Rich experience of design, manufacture and sell Pro-audio, Speakers, amplifiers etc, we cherish every order from our honor.Middle-sale ServiceA.Checking the most suitable shipping ways for customers.B.Testing quality again before sending goods.C.Sending the tracking number/bill of loading, and update the situations of the goods till customers receive the goodsAfter-sale serviceA.We are very glad that customer give us some suggestion for price and products.B.Ifyou haveany question, please contact with us freely by E-mail or Telephone.