Celestion TF0818 8" Low Frequency Speaker - 8 ohm

• Nominal diameter : 203mm / 8in
• Power rating : 100W
• Continuous power rating : 200W
• EIA power rating : 150W
• Rated impedance : 8Ω
• Sensitivity : 94dB
• Frequency range : 70-6000Hz
• Chassis type : Pressed steel
• Magnet type : Ferrite
• Voice coil diameter : 44mm / 1.75in
• Voice coil material : Round copper
• Former material : Polyimide
• Cone material : Kevlar loaded paper
• Surround material : Cloth-sealed
• Suspension : Single
• Gap height (Hg) : 6mm / 0.24in
• VC winding height (Hvc) : 13mm / 0.51in
• Additional impedances : 4Ω, 16Ω

Parameters

• Sd : 226.98cm2 / 35.18in2
• Fs : 100.00Hz
• Mms : 19.57g / 0.69oz
• Qms : 3.311
• Qes : 0.493
• Qts : 0.429
• Re : 6.72Ω
• Vas : 9.44l / 0.33ft3
• BI : 12.95Tm
• Cms : 0.13mm/N
• Le (at 1kHz) : 0.75mH
• Xmax : 5mm / 0.2in

Mounting Information

• Overall diameter : 208mm / 8.19in
• Overall depth : 99mm / 3.9in
• Cut-out diameter : 183mm / 7.2in
• Mounting hole dimensions : 9.5x5.5mm / 0.37x0.22in
• Number of mounting holes : 4
• Mounting hole PCD : 195-199mm / 7.68-7.83in
• 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