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A power amplifier is an electronic device that increases the power of a signal by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. While the term is commonly associated with audio systems, power amplifiers serve a wide range of applications. Other major types include RF (Radio Frequency) power amplifiers and industrial bipolar power amplifiers.

Matsusada Precision offers a diverse lineup of power amplifiers, ranging from high-speed bipolar power supplies to high-voltage amplifiers. Designed for demanding industrial and research environments, these units provide precise signal amplification specifically engineered to drive capacitive, inductive, and resistive loads with high stability.

Our portfolio includes high-precision bipolar amplifiers and high-voltage drivers capable of operating from DC to high frequencies (up to 1 MHz), making them ideal for applications such as piezo driving, beam steering, and component testing.

Recommended products

DOP series

DOP series

Bandwidth
DC to 30 kHz
Voltage Range
±5 to ±300 V
Power
0.15 to 2 kW
4-quadrant Bipolar Power Amplifier

Wide range of 42 models, available for CV/CC mode

DJOPF series

DJOPF series

Bandwidth
DC to 30 kHz
Voltage Range
±10 to ±60 V
Power
50 W, 60 W
Compact Bipolar Power Supply

Supports digital interfaces and remote control

AMP series

AMP series

Voltage Range
±0.6 to ±40 kV
Current
±0.01 to ±2 A
Power
0.1 to 1.2 kW
High-speed High-voltage Amplifier

Slew rate with actual load is as high as 700 V/µs.

AMJ series

AMJ series

Voltage Range
±0.5 to ±4 kV
Current
±10 to ±80 mA
Power
20 to 40 W
Compact and Fast Response
High voltage Amplifier

Offers a high-speed frequency response of up to 75 kHz and a DC bias function.

PZJR series

PZJR series

Output Voltage
Up to 300 V
Peak Current
Up to 6 A
Frequency
Up to 75 kHz
Compact High-Power Piezo Driver

High-power broadband piezo drivers capable of driving 1 µF loads at up to 9.0 kHz.

DOS series

DOS series

Bandwidth
DC to 200 kHz
Voltage Range
±20 to ±60 V
Power
0.15 to 2 kW
High-speed Bipolar Power Amplifier

Four-quadrant operation with CV/CC modes; ultra-high-speed response (DC to 200 kHz)

DOA series

DOA series

Bandwidth
DC to 1000 kHz
Voltage Range
±75 to ±150 V
Power
75 to 300 W
Ultra-high-speed Bipolar Amplifier

Four-quadrant operation; high-speed response up to 1 MHz

DOPF series

DOPF series

Bandwidth
DC to 30 kHz
Voltage Range
±5 to ±300 V
Power
0.15 to 2 kW
Four-Quadrant High-Speed Bipolar Power Supply

Features a built-in function generator, capable of sourcing and sinking current for inductive and capacitive loads.

DOSF series

DOSF series

Bandwidth
DC to 200 kHz
Voltage Range
±20 to ±60 V
Power
0.15 to 2 kW
Four-quadrant Bipolar Power Supply with Function Generator

Ultra-fast response (DC to 200 kHz)