• 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

• 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:
  <0.025% at full power; < 0.01% at typical levels
• IM Distortion:
  <0.03%
• TIM:
  unmeasureable Dynamic Headroom: > 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.

HCA-3500 Manual