Parasound HCA-2205A High Current Power Amplifier

Description

Parasound HCA-2205A High Current Power Amplifier in excellent condition and very lightly used. It has plenty of power to drive any speakers and sounds amazing.
FEATURES
Designed by John Curl
THX certified by Lucasfilm Ltd.
Independent power supplies for each channel
Modular circuit board layout
Massive encapsulated 2 kVA toroid power transformer
30,000 uF power supply capacitance for each channel
Multiple polystyrene film bypass capacitors in power supply
Can be triggered on with an external DC source
Cascode Class A input stages with matched J-FET pairs
Hand-picked complementary transistors in high voltage driver stage
8 complementary pairs of 15 ampere 60 MHz output transistors per channel
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
Multiple protection circuits, temperature sensors and silver-cadmium relay protection
Glass epoxy circuit boards, double-sided for precision
Hand made audiophile-grade AC power cord
SPECIFICATIONS
Continuous Power Output - Each Channel:
220 watts RMS x 5, 20 Hz - 20 kHz,
8 Ω, all channels driven; 300 watts RMS x 5, 20 Hz - 20 kHz,
4 Ω, all channels driven
Current Capacity:
60 amperes peak per channel
Slew Rate:
130 V/�second
Power Bandwith:
5 Hz - 100 kHz, +0/-3 dB at 1 watt
Total Harmonic Distortion:
< 0.03 % at full power
IM Distortion:
< 0.03 %
TIM:
unmeasurable
Dynamic Headroom:
> 1.5 dB
Interchannel Crosstalk:
> 80 dB at 1 kHz; > 60 dB at 20 kHz
Input Sensitivity:
1 V for 28.28 V, THX Reference Level; 1.5 V for full output
Input Impedance:
33 k Ω
S/N Ratio:
> 118 dB, full power; > 96 dB, THX Reference
Level Damping Factor:
> 1000 at 20 Hz
Power Consumption:
1500 watts
Dimensions:
w 19" x h 7" x d 19 1/2", h 7 5/8" with feet
Net Weight:
85 lb.