Celestion TF0818MR 8" Professional Speaker 100W

Brand:| Model: TF0818MR
Easy to install in an enclosure, the sealed-back Celestion TF0818MR 8" pro mid driver is characterized by high efficiency and smooth, accurate response.
  • 99 dB sensitivity and 100 watts RMS power handling
  • 1.75" high temperature copper voice coil wound on polyimide former for increased reliability
  • Designed for use in large 3-way systems
  • Closed back chassis simplifies cabinet manufacture, eliminating need for separate mid-range enclosure
Part # 
Weight: 4.5 lbs.  
List Price$74.99
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Part # 294-2056
Qty:  EA
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Product Details

Celestion TF0818MR 8" Professional Speaker 100W

Celestion's TF0818MR 8" professional midrange speaker features and integrated sealed chassis that isolates the driver's diaphragm a companion woofer's "back pressure", which eliminates the need to construct a separate sub-enclosure. The TF0818MR produces high-SPL, low distortion reproduction of the all-important frequency range. It features a 1.75" high-temp voice coil and a 31 oz. ceramic ferrite magnet, which contribute to the driver's very high output and low distortion.

Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)100 Watts
  • Power Handling (max)200 Watts
  • Impedance8 ohms
  • Frequency Response800 to 5,000 Hz
  • Sensitivity99 dB 2.83V/1m
  • Voice Coil Diameter1.75"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)450 Hz
  • DC Resistance (Re)6.7 ohms
  • Voice Coil Inductance (Le)0.34 mH
  • Total Q (Qts)6.7
Materials of Construction
  • Cone MaterialPaper / Kevlar
  • Surround MaterialTreated Paper
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKaptonĀ® / Polyimide
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8.19"
  • Baffle Cutout Diameter7.2"
  • Depth3.35"
  • # Mounting Holes4
Celestion TF0818MR 8" Professional Speaker 100W
  • BrandCelestion
  • ModelTF0818MR
  • Part Number294-2056
  • UPC739894527842
  • Product CategoryWoofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Weight4.5 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Celestion TF0818MR 8" Professional Speaker 100W

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Celestion TF0818MR 8" Professional Speaker 100W

I would like to find a sealed back midrange speaker that will work with my Sub (0-100Hz) and Altec 802-8 and 811b horns (700-20,000 Hz). The reason for wanting the sealed back mid is so I won't need any cabinet at all (other than the sub) 99 db a must

Asked by: NADman
Unfortunately there really isn't a sealed back midrange that can reach 100 Hz. Most can only play down to 300-400 and still need to be EQ'd pretty heavily to tame high Q bumps on the low end. You might want to reconsider at least a small enclosure, or a higher sub to mid crossover point. Finding anything capable of 99 dB or higher that will extend down that low will be near impossible.
Answered by: MattP
Date published: 2015-01-07

Because this is a sealed back design, does that mean that speaker box volume does not matter?

Asked by: boxdesignnewbee
That is correct, any sealed back speaker does not require an enclosure of any kind and will make no difference.
Answered by: MattP
Date published: 2014-03-27
  • 2015-04-28T10:21CST
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