Celestion – TF1525 250W 8ohm – LF Pressed Steel Chassis Loudspeaker – Ferrite
Altoparlante da 15′ con chassis in acciaio stampato, magnete in ferrite, bobina da 2.5′, potenza 250Watt, impedenza 8ohm
Caratteristiche
– 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
Specifiche Generali
Nominal diameter: 381mm/15in
Power rating(1): 250Wrms
Nominal impedance: 8ohm
Sensitivity(2): 98dB
Frequency range: 40-3000Hz
Voice coil diameter: 64mm/2.5in
Chassis type: Pressed steel
Magnet type: Ferrite
Magnet weight: 1.2kg/42oz
Coil material: Round copper
Former material: Polyimide
Cone material: Kevlar loaded paper
Surround material: Cloth-sealed
Suspension: Single
Xmax(3): 2.5mm/0.1in
Gap depth: 8mm/0.31in
Voice coil winding width: 13mm/0.51in
Parametri di Thiele-Small
D: 0.33m/12.99in
Fs: 47Hz
Mms: 78.2g/2.76oz
Qms: 5.9
Qes: 0.66
Mmd: 64.1g/2.26oz
Qts: 0.59
Re: 5.21ohm
Vas: 152.5lt/5.38ft3
BI: 13.5Tm
Cms: 0.149mm/N
Rms: 3.94kg/s
Le (at 1kHz): 0.82mH
Informazioni di Montaggio
Overall diameter: 385mm/15.16in
Overall depth: 153mm/6.02in
Cut-out diameter: 351mm/13.82in
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: 5.2kg/11.5lb
Note
(1)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.
(2)Measured on axis at 1W, 1m in 2pi anechoic environment.
(3)Xmax derived from: (voice coil winding width-gap depth)/2.
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