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Ground Zero GZRC 165/28-IV SQ
The Ground Zero GZRC 165/28-IV SQ is an updated version of the legendary GZRC 165 Anniversary-25 speaker series.
The GZRC 165/28-IV SQ series uses good-sounding GZRK 165SQ drivers as midbasses. The tweeters are new high-quality 28mm silk dome tweeters ( GZRT 28SE ). The goal of the series' design has been to provide the best possible sound quality in its price range. The design has taken advantage of Klippel optimization, which allows the speaker driver structure to be refined to the last detail.
The drivers work great in typical car mounting locations. The midbass works better in door mounting instead of enclosures without building separate enclosures. The midbass has an aluminum cone and rubber suspension. The lower than normal 3 Ohm impedance helps extract more power from the instrument or amplifier.
The tweeter is a silk dome tweeter. The crossovers have been significantly reduced in size compared to their predecessors and have a three-stage level control for the tweeter and a high-pass frequency adjustment that helps to best adapt the sound to the installation location.
The midbasses have their own 6db/oct low-pass filters that are pre-attached between the included speaker cables. Speaker grilles are included in the package.
Read the Autohifikanavana listening review in the manuals tab!
Specifications:
Power handling (RMS): 130W
Power handling (Max): 200W
Impedance: 3 Ohm
Frequency response: 35 Hz- 25 kHz
Cut-off frequency 4300 Hz (6/12 dB /oct)
High pass filter settings: -2dB / 0dB / +2dB
Midwoofer/Tweeter
Efficiency: 90 dB
GZRK 165SQ outer diameter: 165mm
GZRK 165SQ mounting cutout: 142.5mm
GZRK 165SQ mounting depth: 68mm
GZRT 28SE outer diameter: 54mm
GZRT 28SE mounting cutout: 48mm
GZRT 28SE mounting depth: 18mm.