Ground Zero GZ ULTRA K-165

165 mm / 6.5″ ultra-high-end midwoofer with airflow-optimized spokes and lightweight carbon-fleece cone

Ultra-high-end 165 mm / 6.5” midwoofer
Tightly-tolerated technical parameters
Lightweight carbon-fleece sandwich cone
High-excursion linear moving rubber surround
Vented voice coil former reducing distortion
Round CCA wire voice coil increasing power handling
Airflow-optimized aluminum cast spokes
Documented final technical inspection
Wooden box packaging / in matching pairs
GZ ULTRA 165-GRILL protection grills available separately

Model
Ultra-high-end midwoofer

Diameter
165 mm / 6.50″

Power Handling (RMS/max.)
100 / 160 Watts

Impedance
4 Ohms

Efficiency
87 dB

Frequency Response
45 Hz – 5000 Hz

Voice Coil
32,5 mm / 1.28″

Membran Layout
Carbon-fleece sandwich

Mounting Ø
147 mm / 5.79″

Mounting Depth
67 mm / 2.64″

Resonance Frequency (Fs)
43 Hz