7.7cm Optical Digital Reference Series Midrange (ODR)

Maximum output power 60W (with back chamber) / 50 Watt

Nominal output power 15 Watt

Impedance 4Ω

Frequency response 120 - 24,000 Hz with back chamber / 70 - 24,000 Hz

Sensitivity 86 dB

Midrange size (mm) 77,0 mm

Midrange material • Pulp-based composite cone with reinforced ribs
• Ion plated titanium centre cap with diamond-like carbon coating

Voice Coil bobbin type Lightweight high transient voice coil

Magnets High-performance neodymium

Screw Terminals Gold-plated

Dimensions Ø 90 x 42,5 (D) / with back chamber: 67 mm

Weight 0,44 kg

Cut-out Hole Ø 72,5 mm (Ø 77mm with back chamber) mm

Mounting Hole 37,5 mm

Surround Corrugated surround coated with damping material on front and back side