Speaker - Celestion, 15", FTR15-3070C, 400W, 8Ω

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Speaker - Celestion, 15", FTR15-3070C, 400W, 8Ω

Note: special order items require additional lead time. See our page on special order items.

Special Order Item

Speaker, Celestion, FTR15-3070C, 15 in., 8 ohm Features:

  • 15" ferrite woofer provides 400Wrms power handling (AES Standard) and 99dB sensitivity
  • 3" high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression
  • Flexirol TM surround for greater excursion control
  • Saturated gap technology for lower harmonic distortion
  • Low frequency response, down to 40Hz
  • Smart chassis design minimises acoustic distortion
RoHS Compliant
Item ID:
CelestionCelestion Pro Audio
Product Measurements
Chassis TypeCast Aluminium
Coil MaterialRound copper
Cone MaterialGlass-loaded paper with weather-resistant impregnation
Cut-out Diameter351 mm
D330 mm
Diaphragm/Coil Mass (Mmd)70.0 g
Electrical Q Factor (Qes)0.38
Equivalent Acoustic Volume (VAS)208.0 liters
Force Factor (BxL)18.70 Wb/m
Former MaterialGlass fibre
Frequency Range40 Hz - 4,000 Hz
Gap Depth10 mm
Magnet TypeFerrite
Magnet Weight81 oz.
Maximum Linear Displacement (XMAX)3 mm
Mechanical Compliance (CMS)0.20 mm/N
Mechanical Moving Mass (MMS)84.15 g
Mechanical Q Factor (QMS)7.10
Mechanical Resistance of Driver (Rms)2.86 kg/s
Mounting Hole Bolt Circle Diameter365 mm - 375 mm
Mounting Hole Length10 mm
Mounting Hole Width7 mm
Mounting Slots8
Nominal Diameter15 in.
Nominal Impedance8 Ω
Overall Depth158 mm
Overall Diameter387 mm
Power Rating400 Wrms
Resonance Frequency (ƒS)40 Hz
Sensitivity99 dB
Surround MaterialCloth-sealed
Total Q Factor (QTS)0.36
Voice Coil DC Resistance (Re)6.50Ω
Voice Coil Diameter3 in.
Voice Coil Inductance @ 1 kHZ (LE)0.59 mH
Voice Coil Winding Width16 mm
Packaging Information
Packaging Dimensions17 in. × 17 in. × 8 in.
Weight (Packaging)26 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet165.42 KB

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