Ground Zero GZPA Reference 2PURE - 2-channel amplifier

2-channel ultimate high-end amplifier with direct signal path, BIAS control and selected components in uncompromising quality for the highest sound demands

Features

• High-end Pure SQ amplifier
• 1 Ohm stable stereo / 2 Ohm bridged
• Symmetrical dual mono direct signal structure
• Shielded and separate dual power supply
• Continuously adjustable bias setting Class AB -> almost Class A 
• Adjustable input sensitivity
• Switch-on delay
• Switch-on and protection indicator
• Overheating, overvoltage and short circuit protection
• Temperature-dependent controlled fans
• Plexiglass base plate
• White LED interior lighting
• High-strength rhodium RCA sockets
• Selected high-end SANKEN transistors
• Extremely low-distortion LM4562 OP with 0.00003% THD+N
• Ground Zero exclusive Mundorf Mcap capacitors
• Custom-made audio-specific Mundorf secondary capacitors for maximum buffering
• Encapsulated ALPS potentiometers with channel-separated Level control and summing function
• Low-tolerance Vishay Dale emitter resistors for optimal operating point stabilization
•  Copper-anodized aluminum extruded heat sink

Technical data

• Model: GZPA Reference 2PURE
• Type: 2 Ch Class AB > A
• Output power at 4 Ohm (CEA*) 2 x 420 W
• Output power at 2 Ohm (CEA*) 2 x 750 W
• Output power at 1 Ohm (CEA*) 2 x 1150 W
• Bridge power at 4 Ohm (CEA* / 10% THD) 1 x 1800 W
• Bridge power at 2 Ohm (CEA* / 10% THD) 1 x 2700 W
• Phase shift: 0 - 180°
• Variable bias setting: Yes 
• Lighting: White LED interior lighting 
• Dimensions cm: 59 x 6.75 x 23.6 cm
• Dimensions inch: 23.23“ x 2.66“ x 9.29

 *The WRMS performance data is based on the CEA standard CEA-2006-A (14.4V, 1% THD)