Celestion CF1840JD 18-Inch 8-Ohm Ferrite Subwoofer

Description

ProAudioStar DJ GEAR INSTRUMENT GEAR LIVE SOUND RECORDING MICROPHONES HEADPHONES ACCESSORIES SOFTWARE LIGHTING BUNDLES Authorized Dealer - Full Warranty Celestion CF1840JD 18" Subwoofer w/Ferrite Magnet - 8 ohm 18" Replacement Subwoofer Speaker w/Ferrite Magnet - 8 ohm - Brand New - Description 18-inch, cast aluminium chassis, ferrite magnet LF driver Features/Specs Balanced airflow venting provides enhanced cooling Twin demodulation rings Optimised double suspension Nominal diameter : 457mm / 18in Power rating : 1200W Continuous power rating : 2400W Rated impedance : 8Ω Sensitivity : 97dB Frequency range : 30-2500Hz Chassis type : Cast aluminium Magnet type : Ferrite Magnet weight : 3.18kg / 112oz Voice coil diameter : 100mm / 4in Voice coil material : Round copper Former material : Glass fibre Cone material : Kevlar loaded paper Surround material : Cloth-sealed Suspension : Double Gap height (Hg) : 10mm / 0.39in VC winding height (Hvc) : 30mm / 1.18in Additional impedances : 4Ω Parameters Sd : 1134.12cm2 / 175.79in2 Fs : 37.00Hz Mms : 217.40g / 7.67oz Qms : 4.372 Qes : 0.437 Qts : 0.397 Re : 5.29Ω Vas : 155l / 5.47ft3 BI : 24.76Tm Cms : 0.09mm/N Rms : 11.56kg/s Le (at 1kHz) : 1.16mH Xmax : 12.5mm / 0.49in Mounting Information Overall diameter : 460mm / 18.11in Overall depth : 220mm / 8.7in Cut-out diameter : 414mm / 16.24in Mounting hole dimensions : 11x7mm / 0.43x0.28in Number of mounting holes : 8 Mounting hole PCD : 441-432mm / 17.36-17.01in Frequency Response and Impedance Curves Power rating : Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air. Continuous power rating : Defined as 3dB greater than the AES rating. Sensitivity : Measured on axis at 1W, 1m in 2π anechoic environment. Parameters : Measured after unit subjected to pre-conditioning signal. Xmax : 0.5*(Hvc-Hg) + 0.25*Hg We are authorized dealers for all these brands. Click a logo to see our listings. ProAudioStar is also not responsible for any taxes, local duties, or fees outside of the USA and those are not included in the sale price or ship charge. If an item is refused by the buyer, ship costs to and from the destination in which the item was shipped to are not refunded. Please note the cost of return shipping is usually double of what the original ship cost. Shipping is not free to HI, AK, and PR. FREE SHIPPING ONLY TO THE LOWER 48 STATES. We provide free shipping to the contiguous 48 United States, on most items. Shipping fees to ALL OTHER LOCATIONS will be calculated individually and added to customer invoices. ProAudioStar is also not responsible for any taxes, local duties, or fees outside of the USA and those are not included in the sale price or ship charge. In the event that the customer refuses a shipment, all shipping costs to and from the country or State in which the item was shipped to are not refunded. Please note, in some cases return shipping can cost as much as double the original ship cost. We operate a 30-day return period. Items must be returned with all original packaging as well as all included items. Items that are not returned in original, resalable condition are subject to a 15% restocking fee. We charge a 15% restocking fee on returned items only if the item is clearly used and or the packaging is tarnished. A 10% re-stock is more likely if the unit comes back in mint condition. The ship cost we paid to ship your item will be deducted as well. In some cases restock fees and ship costs can be applied as a store credit. We will exchange a defective unit for the same unit within the 30-day period. After that period, you will have to work directly with the manufacturer for warranty service. Items that can not be returned include: software, units with contents or packaging that is damaged/missing, and items that are considered for personal use (such as earphones, headphones, microphones, instrument mouthpieces, harmonicas or other items that you wouldn't want to purchase if someone else had previously used them). Also, Items which we do not normally stock (i.e. "Special Orders", discontinued products, close-outs, used products, etc.) are non-returnable. We strongly suggest that you check your order after receiving it to be sure that it is in proper working order. Please contact us for a Return Authorization before returning any items.