ParasoundHCA-1500aParasound HCA-1500aThis is a two channel (bridgeable) power amplifier, designed by the infamous amplifier designer John Curl. Sounds awesome - slight warmth to the sound with a detailed upper end. The front has a ...400.00

Parasound HCA-1500a [Expired]


no longer for sale

This is a two channel (bridgeable) power amplifier, designed by the infamous amplifier designer John Curl. Sounds awesome - slight warmth to the sound with a detailed upper end. The front has a slight scratch, has no effect on sound quality. Amplifier can be setup for remote trigger from other A/V equipment. Amplifier bias was recently re-calibrated and brought to factory specifications. Owner's manual is available from the Parasound website. http://www.parasound.com/vintage/hca1500a.php FEATURES - Designed by John Curl - THX certified by Lucasfilm Ltd. - Independent power supplies for each channel - Massive 1 kVA toroid power transformer - 60,000 µF computer-grade capacitors in power supply - Multiple polystyrene film bypass capacitors in power supply - DC Trigger Auto On Feature - Cascoded Class A input stages with matched J-FET pairs - Handpicked complementary MOSFET transistors in high voltage driver stage - 8 complementary pairs of 15 ampere 50 MHz output transistors - Output transistors direct-coupled to speakers without LRC networks - DC servo direct-coupled audio circuits with 0.8 Hz rolloff - High-bias Class A/AB operation - Gold-plated metal structure RCA input jacks - Gold-plated looping output jacks - Multiple temperature sensors and silver-cadmium relay protection - Glass epoxy circuit boards, double-sided for precision - Custom designed audiophile-grade AC power cord - Multiple Protection Circuits SPECIFICATIONS - Continuous Power Output - Stereo: 205 Watts RMS x 2, 20 Hz-20 kHz, 8 Ω, both channels driven 315 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven - Continuous Power Output - Mono: 630 watts RMS, 20 Hz - 20 kHz, 8 Ω - Current Capacity: 60 amperes peak per channel - Slew Rate: > 130 V/µsecond - Frequency Response: 5 Hz - 100 kHz, +0/-3 dB at 1 watt - Total Harmonic Distortion: 1.5 dB - Interchannel Crosstalk: > 80 dB at 1 kHz; > 60 dB at 20 kHz - Input Impedance: 33 k Ω - Input Sensitivity: 1 V for 28.28 V, THX Reference Level; 1.2 V for full output - S/N Ratio: > 110 dB, input shorted, IHF A-weighted - Damping Factor: > 800 at 20 Hz - Power Consumption: 500 watts - Dimensions: w 19" x h 5 1/4" x d 16", h 5 7/8" with feet - Net Weight: 40 lb
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