GZPA Reference 4PURE-SQ Amplifier

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- High-End pure sound quality amplifier
- 1 Ohm stable 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

*The WRMS output power is based on the CEA Standard CEA-2006-A (14.4V, 1% THD)

Model

GZPA Reference 4PURE

Kind

4 Ch 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

Output power linkmode 2 Ohm

-

24 Volt Unit

-

18 Volt stable

-

Lowpass

-

Highpass

-

Bandpass

-

Subsonic

-

Bassboost

-

Phaseshift

-

Adjustable Q-factor

-

Variable Bias Setting

Yes / Yes

Bass remote

-

High Level in

-

Line Out

-

Illumination

White LED lighting / white LED illumination

Dimensions cm / Inch

59 x 6.75 x 23.6 cm / 23.23“ x 2.66“ x 9.29“