TF-1525

CELESTIONOne of the most appealing names in the world of speakers. The speakers of the TF series impress by both an excellent price-performance ratio and very good sound characteristics and thus are ideally suited for an application in efficient PA speaker systems providing a powerful sound.Professional PA bass speaker, 250 W, 8 Ω38 cm (15") PA bass speaker of high power capability and high efficiencyHigh-quality Kevlar fibre reinforced cellulose coneHeat-resistant 63 mm (2½") voice coil on a Kapton voice coil formerTSP parameters for a voluminous bass reproductionExcellent linear frequency response and wide bandwidthDouble-roll surround for an excellent linearityRobust sheet steel basketMulti-purpose speaker for PA systems with high quality requirements

Impedance (Z): 8 Ω
Frequency range: f3-3,000 Hz
Resonant frequency (fs): 45 Hz
Music power (P_MAX): 500 W
Power rating (P_RMS): 250 W
Sensitivity: 100 dB/W/m
Max. rated SPL: -
Max. voltage: -
Radiation angle: -
Suspension compl. (Cms): 0.16 mm/N
Moving mass (Mms): 73 g
Mech. Q factor (Qms): 5.55
Electr. Q factor (Qes): 0.55
Total Q factor (Qts): 0.5
Equivalent volume (Vas): 168 l
DC resistance (Re): 5.2 Ω
Force factor (BxL): 14.18 Tm
Voice coil induct. (Le): 0.8 mH
Voice coil diameter: Ø 63 mm
Voice coil former: Kapton
Linear excursion (X_MAX): ±2.4 mm
Eff. cone area (Sd): 855 cm²
Magnet weight: 1.2 kg
Mounting cutout: -
Mounting depth: -
Dimensions: -
Weight: 4.3 kg