PS Audio GCA-250, GCA-500, GCA-100 manual Service

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®Service

Owner’s Reference GCA Power Amplifier Series

If you have problems

Voltage changes

Your serial number

Your purchase information

Date of purchase

1.Obtain a Return Authorization Number (R/A number) and shipping address from your dealer or distributor’s Service Department.

2.Insure and accept all liability for loss or damage to the product during shipment to the dealer or distributor’s Service Department and ensure all freight (shipping) charges are prepaid.

If you feel your country’s authorized dealer or distributor is either unwilling or unable to service your PS Audio products, please contact our service department at service@psaudio.com or at the above contact numbers to discuss the situation.

Voltage changes to match your country’s voltage and frequency requirements to your PS Audio product are possible only at the time of purchase. The GCA amplifi er series is set to a fi xed voltage to match your country’s requirements and may not be changed.

Your PS Audio product serial number is:

Please fi ll in the dealer or distributor’s information from where you originally purchased the unit.

4826 Sterling Drive, Boulder, CO 80301

Service 12

PH: 720.406.8946 service@psaudio.com www.psaudio.com

 

©2004 PS Audio International Inc. All rights reserved.

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Contents Document Owner’s ReferenceIntroduction Important Safety Instructions IntroductionTable Of Contents Cool and efficient running Power ratings Thank youThree models What you can expectIsolation Power Cables Conditioners Getting StartedLocation Getting StartedQuick Start Guide Quick Start GuideCheck for porper polarity Push the front panel logo to turn it onPlacement? Front panel power buttonQuestions and Answers Isolation? Front panel blue lightWhat voltages can the amp run on? Troubleshooting Finding a ground loop Try a cheater plug If the amp shuts down while playing music Warranty WarrantyConditions Remedy Miscellaneous Warranty Outside the USService ServiceService

GCA-100, GCA-250, GCA-500 specifications

PS Audio has long been recognized as a leader in high-fidelity audio equipment, and their line of power amplifiers, specifically the GCA-250, GCA-500, and GCA-100, showcases the company’s commitment to quality sound reproduction and cutting-edge technology. Each model in this series is designed to deliver exceptional performance, making them suitable for both audiophiles and casual listeners alike.

The GCA-250 is known for its impressive power output, delivering 250 watts per channel into 8 ohms. This power allows it to drive a variety of speakers effortlessly, providing dynamic sound with precision and clarity. One of the standout features of the GCA-250 is its Class AB amplifier design, which combines the best characteristics of both Class A and Class B amplification. This results in low distortion levels and high efficiency, enabling the amplifier to produce warm and rich audio without excessive heat generation.

Moving up the line, the GCA-500 takes performance to another level with its 500 watts per channel output into 8 ohms. This amplifier is built to handle more demanding speaker loads, making it ideal for larger systems or for those who prefer a more powerful sound experience. It incorporates advanced feedback control technologies that help minimize signal degradation, ensuring that the audio remains pure and detailed even at higher volumes. The GCA-500 also features a balanced input option, enhancing connectivity and reducing noise interference for a cleaner sound.

At the entry level, the GCA-100 offers a commendable 100 watts per channel into 8 ohms. Despite being the most compact model, it still embodies PS Audio’s high standards of construction and sound quality. The GCA-100 is perfect for smaller listening spaces or as part of a multi-room audio setup. It maintains a robust build quality and utilizes a simplified design to focus on delivering a straightforward yet enjoyable listening experience.

All three models share key characteristics such as their robust chassis construction, which helps minimize vibrations and interference, and their ultra-silent operation thanks to premium components and design considerations. They also offer seamless integration with other PS Audio products, making them versatile components in a complete audio system.

In summary, the PS Audio GCA series of amplifiers—GCA-250, GCA-500, and GCA-100—combine innovative technologies, high-quality materials, and powerful performance to cater to diverse audiophile needs. Whether for casual listening or serious audio pursuits, these amplifiers stand out as durable and high-performing choices that bring music to life with stunning fidelity.