Fi Car Audio BTL4 15 D1
2x1Ω
2x2ΩSubwoofer
- Nominal diameter15″ / 397 mm
- Resonance27 Hz
- Q factor0.46
- Sensitivity87 dB
- Linear excursion± 33 mm
- Program Power7000 W
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- Sensitivity (1W, 1m, infinite baffle)SPL1W86.8dB
- Resonance frequency (free air)fS27.1Hz
- Mechanical quality factorQMS6.71
- Electrical quality factorQES0.50
- Total quality factorQTS0.46
- Maximum linear excursionxmax33mm
- Air volume displaced at xmaxVD2673cm³
- Power handlingP3500W
- Program powerPmax7000W
- Nominal impedanceZ2 x 1Ω
- DC resistance (in series)RE1.4Ω
- Inductance (1kHz, in series, estimated)LE0.8mH
- Force factor (in series)Bl14.3N/A
- Motor constantBl/√RE12.1N/√W
- Effective diameter321mm
- Effective areaSD810cm²
- Moving massMMS439g
- Moving mass (without air load)MMD422g
- StiffnessKMS12.8N/mm
- ComplianceCMS78µm/N
- Equivalent volume to the complianceVAS71.1L
- Mechanical resistanceRMS11.1N·s/m
- Nominal diameter15″
- 397mm
- Overall diameter397mm
- Baffle cutout diameter359mm
- Mounting depth222mm
- Volume occupied by the driver2.55L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
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