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t first glance this might appear to be a straightforward four-channel power amplifier, but a quick listen makes it clear that the Ground Zero GZPA 4SQ is capable of so much more. Key to its success is the ‘tube-like’ sound provided

by its user-adjustable Class AB to Class A bias control. Each of the four channels boasts two pairs of high-power MOSFET output devices while its power supply, with supersized transformer, has the capacity to support very high power outputs under dynamic conditions. The result is an amplifier that’s overflowing with cutting-edge technologies, components and top-class engineering, including German-made, low-loss MCAP-MKP capacitors, Burr-Brown op-amps and Japanese Nichicon capacitors. 60

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Australian INCAR magazine  

12V tests, tips & techniques: three stunning custom car installs + the EISA Incar Awards

Australian INCAR magazine  

12V tests, tips & techniques: three stunning custom car installs + the EISA Incar Awards

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