Celestion TF1530P
4Ω
Low frequency
| Nominal diameter | 15″ / 381 mm |
| Resonance | 36.6 Hz |
| Q factor | 0.32 |
| Sensitivity | 95.1 dB |
| Linear excursion | ± 6.5 mm |
| Program Power | 1000 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.1dB
- Frequency response 35 - 2500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 36.6Hz
- Mechanical quality factor QMS 5.37
- Electrical quality factor QES 0.34
- Total quality factor QTS 0.32
Large signal parameters
- Maximum linear excursion (one way) xmax 6.5mm
- Air volume displaced at xmax VD 525cm³
- Power handling P 500W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.1Ω
- Inductance (1kHz) LE 1.06mH
- VC Diameter 75mm
- Winding height HVC 21mm
- Winding material Round Copper
- Former material Polyimide
Magnet
- Force factor Bl 14.3N/A
- Motor constant Bl/√RE 8.12N/√W
- Air gap height HAG 8mm
- Weight 2.3kg
- Material Ferrite
Diaphragm
- Effective diameter 330mm
- Effective area SD 808cm²
- Moving mass MMS 97.5g
- Moving mass (without air load) MMD 81.2g
- Material Kevlar
Suspensions
- Stiffness KMS 5.16N/mm
- Compliance CMS 194µm/N
- Equivalent volume to the compliance VAS 180L
- Mechanical resistance RMS 4.17N·s/m
- Surround material Cloth
Dimensions
- Nominal diameter 15″
- 381mm
- Overall diameter 385mm
- Baffle cutout diameter 352mm
- Overall depth 160mm
- Volume occupied by the driver (estimated) 3.5L
- Net weight 6.8kg
- Frame material Pressed Steel
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