Ground Zero GZPA REFERENCE 4PURE 4 channel Class A/B SQ Amplifier 2000 Watts Max
Reference High End Amplifiers
Only the Best components ever have been considered good enough to find the way to the GROUND ZERO REFERENCE Amplifier line-up.
Each model offers adjustable BIAS control, Setting the operating mode from class A/B very close to pure class A.
Apart from that, All models feature wide-band filters and bypass function additionally.
Massive and encapsulated terminals turn the REFERENCE Amplifiers into unique, Ultimate sound quality Artworks.
Main Features:
- High-End pure sound quality amplifier
- 1 Ohm stabile stereo / 2 Ohm bridged
- Symmetrical dual-mono direct-signal layout
- Shielded and separated dual power supply
- Continuously variable Bias Setting Class AB -> nearly Class A
- Adjustable input sensitivity
- Soft delayed remote turn-on
- Power & Protection indicator
- Thermal, over current, speaker short, Speaker DC protection
- Temperature-sensitive controlled fan
- Plexiglas bottom plate
- White LED illumination inside
- High quality Rhodium RCA plugs
- Selected high-end SANKEN® transistors
- Low distortion LM4562 OP with 0.00003% THD+N
- Ground Zero exclusive Mundorf Mcap® capacitors
- Special made audio-optimized Mundorf secondary capacitors for maximum buffering
- Capsuled ALPS potentiometers with channel separated level adjustment and summarize-function
- Low-tolerance Vishay Dale emitter-resistors for accurate bias point stabilization
- Copper anodized aluminum strand cast heatsink
Technical data
Model - Reference 4Pure
- Type - 4 Channel Class AB > A
- Output Power - @ 4 Ohm (CEA*) 4 x 150 W
- Output Power - @ 2 Ohm (CEA*) 4 x 270 W
- Output Power - @ 1 Ohm (CEA*) 4 x 425 W
- Bridge mode - @ 4 Ohm (CEA* / 10% THD) 2 x 650 W
- Bridge mode - @ 2 Ohm (CEA* / 10% THD) 2 x 1000 W
- Variable Bias Setting - Yes
- Illumination - white LED illumination
- Dimensions cm / Inch - 59 x 6,75 x 23,6 cm / 23.23“ x 2.66“ x 9.29“
