Parasound HCA-1201A owner manual Table of Contents, Important Safety Instructions, Introduction

Table of Contents
Important Safety Instructions	3
HCA-1201A Front and Rear Panel Drawings	4
Introduction	5
Installing and Rack Mounting Your Amplifier	5
Ventilation Requirements for Your Amplifier	5
Making Connections to Your Amplifier	6
Speaker Connections	6
AC Power Connections and AC Grounding	7
DC Trigger Connection	7
Operating Your HCA-1201A	8
Maintaining Your Parasound Amplifier	8
In Case of Trouble	8
Parasound HCA-1201A Specifications	9

Special Features for the Parasound HCA-1201A

THX Ultra certified by Lucasfilm Ltd. 280 VA Toroid Power Transformer 20,000 uF filter capacitance

Multiple polystyrene film bypass capacitors in power supply

Output relay can be activated with external DC source Cascode Class A input stages with matched J-FET pairs Complementary transistors in high voltage driver stage 12 ampere 50 MHz output transistors

Output transistors direct-coupled to speakers without LRC networks

Direct-coupled audio circuits with 0.8 Hz rolloff

High-bias Class A/AB operation

Gold-plated RCA input jacks Multiple protection circuits

Glass epoxy circuit boards, double-sided for precision

Audiophile-grade AC power cord

The Parasound HCA-1201A is manufactured under license from Lucasfilm Ltd. Lucasfilm and THX are trademarks of Lucasfilm Ltd.

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