Truvox TF1525 Celestion 15 Bass And Mid-range Driver Providing 98db Sensitivity And 250wrms [single]

15 bass and mid-range driver providing 98db sensitivity and 250wrms (aes standard) power handling
2.5 high temperature copper voice coil wound on polyimide for increased reliability
ideal for 2-way and 3-way systems
kevlar-loaded cone with sealed surround and damping for reduced distortion
rigid chassis design for maximum energy transfer
vented magnet assembly for enhanced cooling

general specifications
nominal diameter381mm/15in
power rating1250wrms
nominal impedance8??
sensitivity298db
frequency range40-3000hz
voice coil diameter64mm/2.5in
chassis typepressed steel
magnet typeferrite
magnet weight1.2kg/42oz
coil materialround copper
former materialpolyimide
cone materialkevlar loaded paper
surround materialcloth-sealed
suspensionsingle
xmax32.5mm/0.1in
gap depth8mm/0.31in
voice coil winding width13mm/0.51in
small signal parameters
d0.33m/12.99in
fs47hz
mms78.2g/2.76oz
mmd64.1g/2.26oz
qms5.9
qes0.66
qts0.59
re5.21??
vas152.5lt/5.38ft3
bi13.5tm
cms0.149mm/n
rms3.94kg/s
le (at 1khz)0.82mh
mounting information
diameter385mm/15.16in
overall depth153mm/6.02in
cut-out diameter351mm/13.82in
mounting slot dimensions9.2mm x 6.2mm/0.36in x 0.24in
number of mounting slots8
mounting pcd range369mm/14.56in
unit weight5.2kg/11.5lb
packed dimensions & weight
single pack size w x d x h410mm x 410mm x 180mm
/16.1in x 16.1in x 7.1in
single pack weight5kg/11.0lb
multipack (45) size w x d x h1200mmx1000mmx980mm
/47.2in x 39.4in x 38.6in [single]