Celestion TF1530 400W 8ohm

General Specifications
Nominal diameter: 381mm/15in
Power rating1: 400Wrms
Nominal impedance: 8ohm
Sensitivity2: 99dB
Frequency range: 40-3000Hz
Voice coil diameter: 75mm/3in
Chassis type: Pressed steel
Magnet type: Ferrite
Magnet weight: 2.44kg/86oz
Coil material: Round copper
Former material: Polyimide
Cone material: Kevlar loaded paper
Surround material: Cloth-sealed
Suspension: Single
Xmax3: 2mm/0.08in
Gap depth: 8mm/0.31in
Voice coil winding width: 12mm/0.47i
Small Signal Parameters
D: 0.33m/12.99in
Fs: 45Hz
Mms: 91.85g/3.24oz
Mmd: 77.70g/2.74oz
Qms: 4.20
Qes: 0.42
Qts: 0.38
Re: 5.70ohm
Vas: 141.2lt/4.99ft3
Bl: 18.70Tm
Cms: 0.14mm
Rms: 6.13kg/s
Le (at 1kHz): 1.08mH
Mounting Information
Overall diameter: 385mm/15.16in
Overall depth: 163mm/6.42in
Cut-out diameter: 352mm/13.86in
Mounting slot dimensions: 9.2mm x 6.2mm/0.36in x 0.24in
Number of mounting slots: 8
Mounting PCD range: 369mm/14.56in
Unit weight: 6.1kg/13.4lb
Packed Dimensions & Weight
Single pack size W x D x H . . . . 410mm x 410mm x 180mm/16.1in x 16.1in x 7.1in
Single pack weight: 8kg/17.6lb
Multi pack (45) size W x D x H: 1200mm x 1000mm x 980mm/47.2in x 39.4in x 38.6in
Multi pack (45) weight: 300kg/660lb