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Celestion T5870 K12H 200TC Steel Chassis Driver Coaxial Speaker 12 Inch + 2 Inch 200W 8OHM

IN STOCK - Ships today if ordered before 1pm AEST

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Product Information:
12" twin cone drive unit with extended high frequency response
2" high temperature copper voice coil for increased reliability and 200Wrms (AES standard) power handling
Optimised cone neck/voice coil assembly for increased strength, minimising high frequency distortion and improving sound quality
Secondary cone terminated by pressure formed cloth dust cap for enhanced mid-band clarity
High efficiency magnet structure design delivers improved sensitivity
Double roll surround for greater excursion control and smooth frequency response


  • Nominal diameter305mm/12in
  • Power rating1200Wrms
  • Nominal impedance8Ω
  • Sensitivity298dB
  • Frequency range50-10,000Hz
  • Voice coil diameter50mm/2in
  • Chassis typePressed steel
  • Magnet typeFerrite
  • Magnet weight1.41kg/50oz
  • Coil materialRound copper
  • Former materialPolyimide
  • Cone materialKevlar loaded paper
  • Surround materialCloth-sealed
  • SuspensionSingle
  • Xmax32mm/0.08in
  • Gap depth8mm/0.31in
  • Voice coil winding width12mm/0.47in
  • Small Signal Parameters
  • D0.26m/0.24in
  • Fs60.0Hz
  • Mms46.514g/1.64oz
  • Mmd39.592g/1.39oz
  • Qms4.585
  • Qes0.583
  • Qts0.481
  • Re5.61Ω
  • Vas60.3lt/2.13ft3
  • BI13.535 Tm
  • Cms0.151mm/N
  • Rms3.826 kg/s
  • Le (at 1kHz)0.683 mH
  • Mounting Information
  • Diameter309mm/12.2in
  • Overall depth130.25mm/5.14in
  • Cut-out diameter283mm/11.14in
  • Mounting slot dimensionsø7.9mm/0.31in
  • Number of mounting slots4
  • Mounting PCD range297mm/11.69in
  • Unit weight3.9kg/8.6lb
  • Packed Dimensions & Weight
  • Single pack size W x D x H333mm x 322mm x 145mm
  • /13.1in x 12.7in x 5.7in


1 Year Warranty

Shipping & Delivery

All orders over $100 will be automatically eligible for FREE Shipping Australia Wide, if you order is under $100 there will be a flat rate of $10.

Belfield Music is well known for its top online customer service. We treat all online customers with the same excellent service we give to our in store customer. We will ensure that you receive all the support you need while your goods are in transit and ensure the goods arrive promptly. All of our shipments have tracking numbers available and we cover every single unit by our own shipping insurance.     

Online orders are normally processed within 1-3 business days. Once processed, your order should take between 1-8 business days to arrive depending on your location. Please note that your order may take up to 10 business days to arrive from the day you place your order. 

If it transpires that the product is out of stock due to a stock discrepancy and/or there will be a delay in shipment, we will contact you within 2 business days of placing your order and give you the option of waiting or cancelling your order. The products we advertise online should show if they are in stock or not. We do our best to keep the website stock count up to date, but there may be an occasional error.

If you wish to utilize an Express Delivery Service to receive your item, please contact us for a shipping quote before you place your order at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.           

Deliver is made during the hours from 8:00am till 5:30pm Monday to Friday. As such, please ensure you nominate an address which is capable of receiving goods during 8am and 5.30pm.  Given the restrictions on PO Box deliveries we cannot deliver larger sized items to a PO Box.

If for any reason our selected carriers don't service your area we will contact you before processing your order if this applys to you.

Returns Policy

If you wish to return an item which is not damaged or faulty in any way and you have simply changed your mind or made the wrong decision, you must let us know within 7 days of receiving the item.  We will not agree to refund an item because you simply changed your mind or made the wrong decision if we have not been advised of your intention within 7 days of receiving your item. Once we have provided a return authority, it is the buyer’s responsibility to return the item, at their own costs within 30 days from original purchase. If the item is returned with any damage or alteration to its original packaging, we will refund the item subject to applying a minimum 15% restocking fee.  We will not refund the costs of the initial shipping charges.

It is in Belfield Music best interests to keep our customers happy with their purchases. If you are not happy with your purchase, please talk to us first. We will always attempt to resolve any problems you may have as best we can. To contact us please email us at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.