Product Lines > Discontinued Products > HCA-806A 6/5/4 Channel Amplifier:

HCA-806A 6/5/4 MULTI CHANNEL AMPLIFIER. Cascoded Class A input stages with matched JFET pairs, high-bias Class A/AB operation and hand-picked complementary transistors place this multi-channel power amplifier in a world class league. 80 watts per channel at 8 Ω, 120 watts at 4 Ω, 30 amps peak current per channel, Four bridgeable channels, each pair bridges to 240 watts, Input/looping switches for multi-zone stereo.

FEATURES

• Massive 1.2 kVA Power Transformer
• 90,000 uF Computer-grade Capacitors in the Power Supply
• Multiple Polystyrene Film Bypass Capacitors in the Power Supply
• Cascode Class A Input Stages with Matched J-FET Pairs
• Hand Picked Complementary Transistors in High Voltage Driver Stages
• 24 50 MHz, 15 Ampere Output Transistors, Beta-Matched Complementary Pairs
• Can be powered with external DC source
• Output Transistors Direct-Coupled to Speakers Without LRC Networks
• Linear Tracking, Instantaneous Acting DC Servos
• High-Bias Class A/AB Operation
• Gold-Plated Metal Structure RCA Input Jacks
• Multiple Temperature Sensors and Silver-Cadmium Relay Protection
• FR-4 Glass Epoxy Circuit Boards, Double-Sided for Precision
• Proprietary Quick-Settling Bias Circuits Obviates Warm-Up Period
• Custom Designed Audiophile-Grade AC Power Cord
• Configurable for Multi-Channel Home Theater, Multi-Zone Stereo, Biamp or Triamp Operation

SPECIFICATIONS

• Continuous Power Output
     > 80 watts RMS x 6, 20 Hz - 20 kHz, 8 Ω, all channels driven
     > 120 watts RMS x 6, 20 Hz - 20 kHz, 4 Ω, all channels driven
• Continuous Power Output - Bridged
     > 180 watts RMS, 20 Hz - 20 kHz, 8, each bridged channel, 3+4, 5+6
• Current Capacity
     30 amperes peak, per channel
• Slew Rate
     > 130 V/µsecond
• Frequency Response
     20 Hz - 120 kHz, +O/-3 dB
• Total Harmonic Distortion
     < 0.05% at full power    < 0.02% typical levels
• lM Distortion
     < 0.03%
• TIM
     Unmeasureable
• Dynamic Headroom
     > 2 dB
• lnterchannel Crosstalk
     > 75 dB at 1 kHz
     > 55 dB at 20 kHz
• Input Impedances
     50k Ω per channel, without looping inputs 1/2 to Ch. 3/4 or Ch. 5/6
     25k Ω per channel, if looping inputs 1/2 to either Ch. 3/4 or Ch. 5/6
     17k Ω per channel, if looping inputs 1/2 to both Ch. 3/4 and Ch. 5/6
• Input Sensitivity
     1.0 V
• S/N Ratio
     > 118 dB, input shorted, IHF A-weighted
• Damping Factor
     > 800 at 20 Hz
• Dimensions
     19" wide x 5 1/4 " high x 18.5 " deep (6 1/8 high with feet)
• Weight
     50 lbs. net

DOWNLOADS

• Owner's Manual