ParasoundHCA-2200Parasound HCA-2200This is a BEAST of a two channel (bridgeable) power amplifier. Previously used in an audiophile sound system. Weighing in at 60 lbs and 250 watts per channel (8 ohm). This can drive most speaker lo...350.00

Parasound HCA-2200 [Expired]


no longer for sale

This is a BEAST of a two channel (bridgeable) power amplifier. Previously used in an audiophile sound system. Weighing in at 60 lbs and 250 watts per channel (8 ohm). This can drive most speaker loads, sounds awesome. Balanced and unbalanced inputs. Original box is included. Owner's manual is available from the Parasound website, and is also included. Also included is the original factory power cord. PLEASE NOTE THAT THIS IS THE MARK-I VERSION, NOT THE MARK II. MARK-II EDITIONS ARE VALUED CLOSER TO $700. THE SPECS BELOW ARE FOR THE MARK II, NOT THE MARK-1. http://www.parasound.com/vintage/hca2200.php FEATURES - 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 SPECIFICATIONS - Continuous Power Output - Stereo 250 watts RMS x 2, 20 Hz-20 kHz, 8 Ω 385 watts RMS x 2, 20 Hz-20 kHz, 4 Ω 385 watts RMS x 2, 20 Hz-20 kHz, 2 Ω - Continuous Power Output - Mono 750 watts RMS, 20 Hz-20 kHz, 8 Ω 1000 watts RMS, 20 Hz-20 kHz, 4 Ω - Current Capacity 50 amperes continuous 90 amperes peak - Slew Rate >135 V/µsecond - Frequency Response 2 Hz-95 kHz, +0/-1.5 dB - Total Harmonic Distortion 1.5dB - inter-channel Crosstalk > 84 dB at 1 kHz , > 74 dB at 20 kHz - Input Impedance 100K Ω/RCA-unbalanced, 200K Ω/XLR-balanced - S/N Ratio > 114 dB, input shorted, IHF A weighted - Damping Factor > 1000 at 20 Hz - Dimensions 19" wide x 7" high x 15" deep - Weight 60 lbs. net - AC Power Requirements 1000 watts
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