MTX Audio RTX88

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.3dB
• Frequency response 82 - 6000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 72.8Hz
• Mechanical quality factor QMS 14.37
• Electrical quality factor QES 0.74
• Total quality factor QTS 0.70

Large signal parameters

• Maximum linear excursion xmax 0.5mm
• Air volume displaced at xmax VD 11cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz, estimated) LE 0.77mH

Magnet

• Force factor Bl 7.36N/A
• Motor constant Bl/√RE 3.16N/√W

Diaphragm

• Effective diameter 164mm
• Effective area SD 211cm²
• Moving mass MMS 16.2g
• Moving mass (without air load) MMD 14g

Suspensions

• Stiffness KMS 3.39N/mm
• Compliance CMS 295µm/N
• Equivalent volume to the compliance VAS 18.6L
• Mechanical resistance RMS 0.52N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Mounting depth 75mm
• Volume occupied by the driver (estimated) 0.82L