MartinLogan | Helos 20 Specifications
Helos 20 Specifications
Frequency Response: |
47–20,000 Hz ± 3dB |
Aiming: |
Pivoting Tweeter Stem |
Sensitivity: |
89 dB/2.83 volts/meter |
Impedance: |
Mono: 4 ohms Stereo: 8 ohms × 8 ohms |
Crossover Frequency: |
2600 Hz |
Components: |
Air core coils, polyester capacitors |
High Frequency Drivers: |
Two 0.75" (1.9 cm) neodymium soft-dome tweeters |
Woofer Type: |
6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection |
Power Handling: |
Mono: 100 watts Stereo: 50 watts × 50 watts |
Weight: |
4.5 lbs./channel (2 kg) |
Overall Size (WxD): |
9.5" × 5.12" (24.2 × 13 cm) |
Required Ceiling Opening Including Tolerance: |
8.35" (21.2 cm) |
Projection From Celing Surface: |
0.37" (1 cm) |
Depth Required Behind Ceiling Surface: |
5" (12.7cm) |
