Parasound HCA-806

Data

General

• Manufacturer: Parasound
• Model: HCA-806
• Years of manufacture: 1998(?)-?
• Type: Power amplifier
• Remote control: No
• Power consumption: 600 watts
• Dimensions: 482 x 157 x 390 mm (WxHxD)
• Weight: 22,6 kg
• Color: black
• Original price approx.: not known

Features

• Massive 1.2 kVA toroidal transformer
• 90,000 uF computer-grade capacitors in power supply
• Multiple polystyrene film bypass capacitors in power supply
• Cascode Class A input stages with J-FET matched pairs
• Hand-selected complementary transistors in the high-voltage driver stages
• 2450 MHz, 15 amp output transistors , beta matched complementary pairs.
• Can be powered by external DC source
• Output transistors directly coupled to loudspeaker without LRC network
• Linear tracking, momentary viewDC servos
• High-bias Class A / AB operation
• Gold-plated metal RCA input jacks
• Multiple temperature sensors and silver-cadmium relay protection
• Double-sided precision FR-4 glass epoxy circuit boards
• Proprietary quick settling time bias circuitry eliminates warm-up period
• Custom audiophile-grade power cords
• Configurable for multi-channel home theater, multi-zone stereo, biamp or triamp operation

Specifications

• Sine wave output power

      > 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.

• Sine wave output power - bridged

      > 180 watts RMS , 20 Hz - 20 kHz , 8, each bridged channel , 3 +4, 5 +6.

• Current capacity.

      30 amps peak , per channel

• Slew Rate

      > 130 V / microseconds

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

• Dynamische Headroom

      > 2 dB

• Crosstalk attenuation

      > 75 dB at 1 kHz
      > 55 dB at 20 kHz

• Input impedances.

      50k Ω per channel , without loop inputs 1/2 to Ch . 3/4 or Ch . 5/6
      25k Ω per channel , if loop inputs 1/2 to either Ch . 3/4 or channel . 5/6
      17k Ω per channel , if loop inputs 1/2 to both Ch . 3/4 and Ch . 5/6

• Input sensitivity

      1,0 V

• S/N ratio

      > 118 dB , input short-circuited , IHF A-weighted

• Attenuation factor

      > 800 at 20 Hz

• Size

      Width 19 " x 5 1/4" high x 18.5 " deep ( 6 1/8 high, with base).

• Weight

      22.6 Kg net</0,03>