Parasound hsa-2200

It is rated at 250 watts per channel into 8 ohm and 385W into 4 ohm. • Two independent 1200vA toroid power transformers • Independent transformer windings for driver stage regulators • Higher driver rail voltages and independent regulation to prevent sag • 100,000uF computer-grade capacitors in power supply • Multiple polystyrene bypass capacitors in power supply • Cascode Class A input stages with matched J-FET pairs • Hand picked Mosfets in high voltage driver stages • 24 5OMhz, 15 ampere output transistors, B-matched complements • Output transistors direct-coupled without inductors • DC servo direct-coupled audio circuits with 0.3Hz rolloff • Linear tracking, instantaneous acting DC servos • Pure Class A operation up to >6 watts output; Class AB-1 thereafter • Balanced input circuits, XLR connectors, separately switched • Gold-plated metal structure RCA input jacks • Multiple temperature sensors and silver-cadmium relay protection • FR-4 glass epoxy circuit boards, outputs double clad for high current • Dual mono circuit topology for superior separation past 20kHz • Proprietary quick-settling bias circuits obviates warmup period • Silver plated audiophile-grade wiring drivers to outputs • Precision 1% tolerance Holco and Resista metal film resistors