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1000W Power Amplifier Circuit Diagram

using 2SC5200 & 2SA1943 Transistors
Posted on October 16, 2023 | By Tronicspro | No comments

Introduction
Power amplifiers are crucial components in audio systems, responsible Popular Posts
for boosting the amplitude of electrical signals to drive speakers or
other devices. When it comes to high-power applications, the 1000W Variable Power
power amplifier circuit diagram, using the 2SC5200 and 2SA1943 Supply 0-30V_10A
transistors, is a popular choice among audiophiles and professionals Circuit Diagram
alike. In this article, we will present the circuit diagram, discuss the
C5200 A1943
specifications of these transistors, and highlight the features and
TDA2030 Amplifier
benefits of this amplifier design.
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 C5200 A1943 Stereo
Amplifier DIY
Homemade

500W Power
Amplifier Circuit
using c5200 a1943

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1000W Power Amplifier Circuit Diagram
using 2SC5200 & 2SA1943 Recent Posts

The 1000W power amplifier circuit schematic utilizing the 2SC5200 120W Amplifier
and 2SA1943 transistors is a robust design capable of delivering high- Circuit Diagram
quality audio output. This amplifier operates on a ±45V to 75V DC using 2SC5200 &
power supply and employs a complementary pair of transistors for 2SA1943 Apex Kelvin AX14
each channel. The circuit diagram ensures the accurate reproduction March 19, 2024
of sound by providing substantial power to the speakers. 120W Power
Amplifier Circuit
This project can be built using a few basic components. The circuit Diagram using
diagram of this project is shown below. 2SC5200 & TL071
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45V Amplifier Power Supply Circuit Diagram

Caution: Website contains information on high voltage circuits.

Proceed at your own risk, ensuring proper knowledge and
precautionary measures to prevent electric shock or injury.

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Components List of 1000W Power

Amplifier Circuit Diagram
Following is the list of all components used in this project:

2SC5200 Transistors x 4
2SA1943 Transistors x 4
2SC5242 Transistors x 1
2SA1962 Transistors x 1
2SC5171 Transistors x 2
2SA1930 Transistors x 2
MJE340 Transistors x 1
MPSA92 Transistors x 3
MPSA42 Transistors x 1
1N4148 Diode x 2

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Explanation of 1000W Power Amplifier
Circuit Diagram
Specifications of 2SC5200 Transistor
The 2SC5200 is an epitaxial silicon NPN transistor widely used for high-
power amplifier designs. This transistor offers exceptional linearity,
low distortion, and high efficiency. Its key specifications include a
maximum collector-emitter voltage of 230V, a maximum collector
current of 15A, and a power dissipation rating of 150W. With a transition
frequency of 30MHz, the 2SC5200 transistor can handle high-frequency
signals with ease, making it an ideal choice for power amplifiers.

Specifications of 2SA1943 Transistor

The 2SA1943 is a complementary PNP transistor to the 2SC5200 and is
designed to work in tandem with it. This transistor also boasts excellent
linearity and low distortion characteristics. It has a maximum
collector-emitter voltage rating of 230V, a maximum collector current
of 15A, and a power dissipation of 150W. With a transition frequency
of 30MHz, it complements the 2SC5200 transistor effectively, ensuring
a balanced and distortion-free amplification.

Features and Benefits of the 1000W Power

Amplifier
1. High Power Output: With a power rating of 1000W, this amplifier
can deliver a substantial amount of power, making it suitable for
various applications, including home theaters, live sound
reinforcement systems, and recording studios.
2. Low Distortion: The 2SC5200 and 2SA1943 transistors used in this
design offer low distortion and high linearity, resulting in accurate
and faithful audio reproduction.
3. Wide Frequency Response: Thanks to the high transition frequency
of 30MHz, this amplifier can handle a wide range of frequencies,
ensuring clear and detailed sound reproduction across the audible
spectrum.
4. Robust Construction: The circuit design incorporates efficient
cooling mechanisms and protection circuits to prevent thermal
runaway and ensure long-term reliability even during demanding
operating conditions.
5. Versatility: The 1000W power amplifier circuit can be easily modified
or adapted to suit different requirements, such as bridging multiple
amplifiers for even higher power output or connecting to different
speaker impedance loads.

Conclusion
In conclusion, the 1000W power amplifier circuit using the 2SC5200
and
4562SA1943 transistors offers outstanding performance, power, and
versatility. This amplifier design provides a reliable solution for high-
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power audio applications, delivering clear and accurate sound
reproduction. With its low distortion, wide frequency response, and
robust construction, it is an excellent choice for audiophiles,
professionals, and enthusiasts seeking a high-quality power amplifier
for their audio systems.

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1000W Power Amplifier Circuit Diagram

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