MTX Audio RFL15

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
• Frequency response 26 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 7.03
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 15mm
• Air volume displaced at xmax VD 1257cm³
• Power handling P 3500W
• Program power Pmax 10500W

Voice Coil

• Nominal impedance Z 2Ω
• DC resistance RE 2.0Ω
• Inductance (1kHz, estimated) LE 3.02mH

Magnet

• Force factor Bl 26N/A
• Motor constant Bl/√RE 18.4N/√W

Diaphragm

• Effective diameter 327mm
• Effective area SD 838cm²
• Moving mass MMS 566g
• Moving mass (without air load) MMD 549g

Suspensions

• Stiffness KMS 22.7N/mm
• Compliance CMS 44µm/N
• Equivalent volume to the compliance VAS 44L
• Mechanical resistance RMS 17.7N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Volume occupied by the driver (estimated) 4.3L