China PA Speaker Speaker Loudspeaker

18inch professional speaker for Outdoor with 4inch coil,PA speaker
PA speaker/Loudspeaker/Amplifier/Powerful speaker/Speaker/Line array/ProfessioPackaging Materials nal speaker
COMPANY INFORMATION
Guangzhou Shengguang Electronic Co.,Ltd is modernized enterprise with R&D , manufacture , sales and service . We focus on professional speakers, in the past ten years,Guangzhou Shengguang Electronic Co.,Ltd provide high quality professional speakers to customers over the word ,and got recognitions for the excellent performance ,consistent high quality and perfect speakers.DERWEL is our unique brand
Welcome to visit our factory to do sound debugging with our engineer ,we have rigorously tested all products sold,our factory is nearby the Baiyun airport .
The website contains just part of product , if you want to know more please contact Ice +8613760846080
GENERAL SPECIFICATIONSNominal Diameter 18InchRated Impedance8ΩPower Handling Capacity 1000 WattsSensitivity 1W 1M94.9dBEffective Piston Diameter400mmVoice Coil Diameter 99.5 mm4 InchTHIELE-SMALL PARAMENTERS Resonance FrequencyFs39HzDC ResistanceRe6.1ΩMechanical Q FactorQms8.585Electrical Q FactorQes0.587Total Q FactorQts0.550BL FactorBL21.888TMEffective Moving MassMms187.416grEquivalent Cas Air LoadVas197.559litersEffective Piston AreaSd0.126Half-Space EfficiencyEff1.955 %Top Palte ThicknessHag10mmVoice Coil HeightHvc18mmVoice Coil Over-HungXmax10mmPHYSICAL INFORMATIONMagnet220x110x25 FerriteVoice Coil Winding MaterialCopperCone MaterialPulp PaperOverall Diameter470mmMounting Holes8 holes ∅ 445mmTotal Depth206mmSection 1: Company photo

Section 2: Production Capacity
FAQ
Q1: What is our warranty for speaker drivers?
For our speaker driver, we have one-year warranty.Q2:How can i get a sample ?
If you need some samples to test,we can make as per your request .You should pay for the transportation freight of samples and our samples cost,while the samples cost can be refundable after you plaMattress Machine ce the order.Thanks.Q3:How much the transportation freight of samples?Engine & Part
The freigGrinder ht depends on the weight and packing size and your area.Q4:Is it OK to print my logo on the product?
Yes.Please inform us formally before our production and confirm the design firstly based on our sample.Q5:Can you produce according to customers' design?
Yes.we mainly do the OEM/ODM service.Q6:What's the minimum order quantity(MOQ)?
MOQ is 50pcs-500pcs each model size.Q7:How about the delivery time?
For sample: 10-15 days
For order: 30-45 days




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