Martin Logan Foundation B2

Frequency Response 42 Hz – 23 kHz ± 3 dB
Tweeter Dispersion (horizontal x vertical) 90° x 90°
Recommended Amplifier Power 15 – 100 watts
Sensitivity 90 dB
Impedance 5 ohms
High Frequency Driver 0.94” x 1” (2.4 x 2.5cm) Gen2 Folded Motion® Tweeter S with 3.5 in2 (22.6 cm2) diaphragm.
Crossover Frequency 3,800 Hz (2-way)
Mid-Frequency Drivers 6.5” (16.5cm) aluminum cone with stamped steel basket. Non-resonant asymmetrical chamber format. Unibody cone construction.
Cabinet Rear Ported
Binding Post Inputs 5-way Binding Posts (Non Bi-Wire)
Weight 15lbs / 6.8kg
Dimensions (H x W x D) 38.1cm x 19.7cm x 29.2cm
Finish Satin White