Ground Zero GZNK 165SQ-K

A new midbass made for SQ use with superior sound quality and a redesigned cast body.

An excellent choice for use in an active 2-way or 3-way front end.

The Nuclear collection uses the best materials and highly advanced design, which ensures that the sound quality and technical implementation of the speakers are top-notch.

Kevlar cone
- Cast aluminum body
- 1.5″ voice coil
- Large magnet

Speaker type: 165 mm / 6.5" SQ midwoofer
Impedance (nominal): 4 ohms
Frequency response: 40 Hz – 5 kHz
Basket: Aluminum cast
Cone: Kevlar
Motor: Neodymium-ferrite hybrid system
Voice coil: 38 mm / 1.5“ CCA
Power handling: (RMS) 130 Watts (12dB/oct HPF@ 60 Hz)
Power handling: (max.) 190 Watts (12dB/oct HPF@ 60 Hz)

Technical Parameters (TSP)
Resonance frequency: 43 Hz
Efficiency: (SPL) 88 dB
Re: 3.3 ohms
Qms: 4.57
Qes: 0.53
Qts: 0.48
Left: 24.13 L / 0.82 cu.ft.
Weight: 14.3 g
BL: 4.85 N/A
Rms: 0.84 kg/s
Cms: 0.98 mm/N
LE: 0.18 mH
Xmax: (excursion) 12 mm / 0.47“ (peak-peak)