MartinLogan | Preface Specifications
Preface Specifications
Frequency Response: |
35–20,000 Hz ± 3dB |
Sensitivity: |
92 dB/2.83 volts/meter |
Impedance: |
4 ohms nominal |
Crossover Frequencies: |
2200 Hz |
Components: |
Air core coils and large steel laminate inductor, polyester film capacitors in series and low DF electrolytic capacitors |
High Frequency Driver: |
1.5" × 2.25" (3.8 × 5.7 cm) ATF™ Transducer |
Woofer/Midrange Type: |
3 × 6.5" (16.5cm) cast basket, paper-cone, non-resonant asymmetrical chamber format; bass reflex |
Power Handling: |
200 watts per channel |
Weight: |
46 lbs./channel (20.9 kg) |
Dimensions (HxWxD): |
39.6" × 9" × 17" |
