-5-

 

 

Input Connectors,

 

+ 12 Vdc

 

 

and Level Controls

 

 

 

 

Trigger Connector

 

 

 

 

Channel 1

Channel 2

Channel 3

Channel 4

Channel 5

 

 

 

 

 

DC Trigger

 

 

 

 

+12V GND

 

 

 

 

HCA-855A

 

 

 

 

 

High Current Power Amplifier

 

 

 

 

 

Parasound Products, Inc

 

Input

Input

Input

Input

San Francisco, CA U.S.A.

 

Input

 

Channel 1

Channel 2

Channel 3

Channel 4

Fuse 12 A

Channel 5

 

 

 

 

 

CAUTION:

 

 

 

 

 

TO PREVENT ELECTRIC SHOCK,

 

 

 

 

 

DO NOTREMOVE COVER. NO USER

 

 

 

 

 

SERVICEABLE PARTS INSIDE. REFER

 

 

 

 

 

SERVICING TO QUALIFIED SERVICE

 

 

 

 

 

PERSONNEL.

 

CAUTION

 

 

 

WARNING:

 

RISK OF ELECTRIC SHOCK

 

 

 

TO PREVENT FIRE OR SHOCK

 

DO NOT OPEN

 

 

 

HAZARD.DO NOT EXPOSE THIS

 

 

 

 

 

UNIT TO RAIN OR MOISTURE.

 

 

 

 

 

AC 120V

60Hz

 

 

 

 

Power Consumption: 1000 W

Carry Handle

 

Speaker Connectors

 

AC Receptacle

 

 

 

 

 

 

 

 

Current Overload Indicators

 

H C A - 8 5 5 A H i g h C u r r e n t P o w e r A m p l i f i e r

Power

 

 

Current Overload

 

1

2

3

4

5

 

 

AC Line

Standby

Normal

Power Switch

Power Status Indicators

External

Fuse

Post

Figure #2 HCA-855A Front and Rear Panel Drawings

Page 5
Image 5
Parasound HCA-1205A owner manual Figure #2 HCA-855A Front and Rear Panel Drawings

HCA-1205A specifications

The Parasound HCA-1205A is a highly regarded audio power amplifier known for its exceptional performance and versatile applications. Designed to deliver high-quality, reliable power to a range of audio systems, the HCA-1205A is particularly favored by audiophiles and home theater enthusiasts.

One of the standout features of the HCA-1205A is its five-channel configuration, allowing it to effectively drive multiple speakers while maintaining a compact footprint. Each channel is rated at 120 watts into 8 ohms and can deliver up to 200 watts into 4 ohms, providing ample power for a wide range of speaker types and impedances. The amplifier's robust power output ensures dynamic sound reproduction across all audio frequencies, translating to a compelling listening experience.

The HCA-1205A employs advanced circuit design, including a high-current, Class AB topology. This design strikes a balance between efficiency and sound quality, delivering clean, distortion-free amplification even during demanding playback scenarios. The amplifier incorporates large power supplies and heavy-duty output transistors, which contribute to its ability to drive low impedance loads without compromising performance.

Another notable feature of the HCA-1205A is its thermal management system. Equipped with large heat sinks and an advanced cooling design, the amplifier remains cool even during extended use, ensuring reliability and longevity. The inclusion of short-circuit and thermal protection circuits further enhances safety, preventing damage under adverse conditions.

Connectivity is made convenient with various input options, including RCA connections and balanced XLR inputs. The amplifier's rear panel features a range of output binding posts, allowing for flexible speaker connections and easy integration into existing audio setups. Additionally, the HCA-1205A supports bridged operation for increased power output in specific configurations.

Parasound is known for its commitment to quality, and the HCA-1205A is no exception. Its build quality is robust, featuring a sturdy chassis that minimizes vibration and interference. The amplifier's aesthetic design, with a sleek finish and informative front panel, fits seamlessly into any modern audio or home theater environment.

In summary, the Parasound HCA-1205A is a powerful and versatile audio amplifier that stands out due to its exceptional sound quality, advanced technological features, and reliable performance. Whether for a robust home theater setup or a high-fidelity audio system, the HCA-1205A is an excellent choice for those seeking to elevate their listening experience. Its combination of power, efficiency, and flexibility solidifies its status as a preferred amplifier among audio enthusiasts.