Parasound Halo A52+ Five-Channel Power Amplifier

Features 180 watts RMS x 5 @ 8 Ω 255 watts RMS x 5 @ 4 Ω 225 watts RMS x 2 @ 8 Ω 350 watts RMS x 2 @ 4 Ω Class A/AB circuitry designed by legendary John Curl Direct coupled - no capacitors or inductors in audio path ensures the cleanest signal Balanced XLR inputs with discrete circuits Full power is rated all the way down to 5Hz for unrestricted low-end bass Custom 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel Hand-matched JFETs for input stage Hand-matched MOSFETs for driver stage Beta-matched 15 amp, 60 MHz bipolar output transistors (3 pairs per channel) 100,000 µF power supply filter capacitance DC Servo and relay protection circuits Auto turn on by audio signal or 12V trigger Heavy-duty 24k gold-plated, 5-way speaker terminals 3U chassis with updated cosmetics, rack mountable with HRA3 (sold separately)