Item is in PERFECT condition, seldom used since it was on my weekend ride. The Ground Zero Plutonium Reference Line products are designed for professional competition use. Built and designed for absolute top class performance with pure sound quality to satisfy the most demanding audiophiles. Features High end audio transistors, Elna and Mundorf M-CAP ® Capacitors Burr Brown IC's for exceptional sound quality with low leakage Extremely powerful us, shielded high-current dual power supplies Variable Bias setting for adjusting the quiescent current of the classic Class AB to nearly Class A operation The smoked glass Plexiglas base with white LED interior lighting gives a view of the impressive board free Specifications Model: GZPA Reference 4 Type: 4 Ch Class AB> A Output power @ 4 ohms (CEA *): 4 x 150 W Output Power @ 2 ohms (CEA *): 4 x 270 W Output Power @ 1 ohm (CEA *):4 x 425 W Bridge power @ 4 ohms (CEA * / 10% THD): 2 x 650 W Bridge Power @ 2 ohms (CEA * / 10% THD): 2 x 1000 W Output link mode 2 ohms: - 24 volt device: - 18 volt stable: - Lowpass: 40-3000 Hz High Pass: 40-3000 Hz Bandpass: 40-3000 Hz Subsonic: - Bass Boost: - Phase Shift: - Adjustable Q-Factor: - Variable bias setting: Yes / Yes Remote bass: - High levels in: - Line Out: - Lighting: White LED interior lighting / white LED illumination Dimensions cm / inch: 59 x 6.75 x 23.6 cm / 23:23 "x 2.66" x 9:29"
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