Celestion TN1230 12" Woofer w/Neo Magnet - 8 ohm

• Compact, high flux, dual magnet motor design
• Vented cast aluminium heatsink
• Nominal diameter : 305mm / 12in
• Power rating : 350W
• Continuous power rating : 700W
• Rated impedance : 8Ω
• Sensitivity : 97dB
• Frequency range : 50-4500Hz
• Chassis type : Pressed steel
• Magnet type : Neodymium
• Voice coil diameter : 75mm / 3in
• Voice coil material : Round copper
• Former material : Polyimide
• Cone material : Kevlar loaded paper
• Surround material : Cloth-sealed
• Suspension : Single
• Gap height (Hg) : 10mm / 0.39in
• VC winding height (Hvc) : 17.5mm / 0.69in

Parameters

• Sd : 530.93cm2 / 82.29in2
• Fs : 46.6Hz
• Mms : 72.42g / 2.56oz
• Qms : 4.76
• Qes : 0.37
• Qts : 0.35
• Re : 6.09Ω
• Vas : 64.33l / 2.3ft3
• BI : 18.55Tm
• Cms : 0.16mm/N
• Rms : 4.45kg/s
• Le (at 1kHz) : 0.99mH
• Xmax : 3.75mm / 0.15in

Mounting Information

• Overall diameter : 309mm / 12.17in
• Overall depth : 132mm / 5.2in
• Cut-out diameter : 283mm / 11.14in
• Mounting hole dimensions : 7.9mm / 0.31in Ø
• Number of mounting holes : 4
• Mounting hole PCD : 297mm / 11.69in

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 : Hvc-Hg/2