Parasound HCA 3500 John CurlDesign Class A / AB Amplifier DualParasound HCA 3500 John Curl Design Class A / AB Amplifier Dual Mono Near MintThis amp is a monster, 85 lb beast but the beauty lies in the sound with pure class "A" output for the first 15 watts. This is a true dual mono design with 2 power cables and switches, designed by ...1495.00

Parasound HCA 3500 John Curl Design Class A / AB Amplifier Dual Mono Near Mint [Expired]


no longer for sale

This amp is a monster, 85 lb beast but the beauty lies in the sound with pure class "A" output for the first 15 watts. This is a true dual mono design with 2 power cables and switches, designed by the famed John Curl. These don't come up for sale too often, now's your chance. I prefer Paypal but will accept a postal money order as well. No manual or original shipping box but I'll pack this extremely well, double boxed and ship it fully insured via Fedex. Price includes shipping (lower 48 only) and all seller's fees, thanks. http://www.parasound.com/vintage/hca3500.php http://www.parasound.com/pdfs/vintage/hca3500om.pdf http://www.stereophile.com/solidpoweramps/100parasound/ http://www.audioreview.com/cat/amplification/amplifiers/parasound/hca-3500/prd_116056_1583crx.aspx FEATURES Independent power supplies for each channel for true dual-monaural operation Massive encapsulated 1.4 kVA toroid power transformer for each channel 97,600 uF power supply capacitance for each channel Multiple polystyrene film bypass capacitors in power supply Direct coupled design uses no inductors or capacitors in the signal path DC servo direct-coupled audio circuits with 0.5 Hz rolloff Output transistors direct-coupled to speakers without LRC networks Cascode Class A input stages with matched J-FET pairs Hand-picked complementary MOSFET transistors in high voltage driver stage High-bias Class A/AB operation provides 15 Watts of pure Class A operation 8 complementary pairs of 15 ampere 60 MHz output transistors per channel High-quality Neutrik XLR jacks for balanced inputs Two sets of gold-plated metal structure RCA input jacks for balanced operation Two sets of gold-plated 5-way binding posts facilitates bi-wiring Multiple protection circuits, temperature sensors and silver-cadmium relay protection Glass epoxy circuit boards, double-sided for precision Two hand-made audiophile-grade AC power cords-separate for each channel SPECIFICATIONS Continuous Power Output - Stereo: 350 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, both channels driven; 500 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven Current Capacity: 120 amperes peak per channel Slew Rate: > 200 V/µsecond Power Bandwith: 2 Hz - 150 kHz, +0/-3 dB at 1 watt Total Harmonic Distortion: 1.5 dB lnterchannel Crosstalk: > 95 dB at 1 kHz, > 80 dB at 20 kHz Input Sensitivity: 1 V for 28.28 V; 2 V for full output Input Impedance: 100 k Ω S/N Ratio: > 120 dB, full power Damping Factor: > 1000 at 20 Hz Power Consumption: 1200 watts Dimensions: w 19" x h 7" x d 22", h 7 5/8" with feet Net Weight: 85 lb.
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jjptkd 

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