Discontinued Products > HCA-3500 2 Channel Amplifier

Product Lines > Discontinued Products > HCA-3500 2 Channel Amplifier:

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/盜econd
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.

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