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

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

 

Model

GZPA Reference 4PURE

Type

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

Ja / Yes

Bass remote

–

High Level in

–

Line Out

–

Illumination

Weiße LED Innenbeleuchtung / white LED illumination

Dimensions cm / Inch

59 x 6,75 x 23,6 cm / 23.23“ x 2.66“ x 9.29“