Award-winning Halo A 52 performance is back. Now with 44% more power! The new Parasound Halo A 52+ five-channel amplifier uses John Curl-designed circuitry for better performance than ever. And the original Halo A 52 is a tough act to follow. Featuring Class A/AB circuitry designed by the legendary John Curl, the A 52+ is direct coupled, with no capacitors or inductors in the audio path to ensure the cleanest signal. It provides balanced XLR inputs with discrete circuits. Full power is rated all the way down to 5 Hz for unrestricted low-end bass. The Halo A 52+ has a custom 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel and 100,000 µF power supply filter capacitance. It uses hand-matched JFETs for the input stage, hand-matched MOSFETs for the driver stage, and beta-matched 15 amp, 60 MHz bipolar output transistors (three pairs per channel). Other features include DC Servo and relay protection circuits plus auto turn on by audio signal or 12V trigger.
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