About CLASS B AMPLIFIER
Specification:
CLASS B AMPLIFIER
Study of the working principle of class A Amplifier Study of the working principle of Class B and Class AB Push pull Amplifier Study of the working principle of class C Amplifier and its operation at tuned frequency Study of the working principle of Differential Amplifier
Technical Specifications:
Mains supply: 230V +10%, 50Hz
DC power supply Fixed: +12V, -12V, +5V, -5V
Frequency Variable: 10 kHz to 100 kHz
Amplitude Variable: 0 to 5Vpp
Fuse Slow Blow: 500mA
Efficient Passive Cooling SystemUtilizing an aluminum heat sink, this amplifier ensures optimal thermal conductivity without requiring active fans. The passive cooling enhances reliability and maintains stable performance over the 0C to 50C operating range, making it ideal for continuous use in academic and engineering environments.
Robust Construction with Safety FeaturesThe 2 mm thick powder-coated metal enclosure provides durability and protection. The amplifier is equipped with inbuilt fuse protection and an IP20 rating, ensuring safe operation and safeguarding internal components against electrical faults or overheating. Test points are available for convenient diagnostics and maintenance.
FAQs of CLASS B AMPLIFIER:
Q: How do I connect audio input and output to the Class B amplifier?
A: Audio signal input can be connected via the designated binding post connectors, while the output should be connected to a speaker or load matching the 8 Ohm impedance specification using the output terminals provided.
Q: What type of cooling does this amplifier utilize?
A: This Class B amplifier uses a passive aluminum heat sink for cooling, effectively dissipating heat without any mechanical moving parts or fans, supporting reliable operation.
Q: Where should I mount the Class B amplifier for optimal performance?
A: The amplifier is designed for desktop or tabletop placement, making it suitable for laboratory benches, workstations, or electronics testing tables requiring standard compact equipment.
Q: What power sources can be used with this Class B amplifier?
A: The amplifier accepts both AC mains and 12V DC power supplies, providing flexibility for use in various environments, including educational labs and portable setups.
Q: How does the built-in fuse protection benefit users?
A: The inbuilt fast blow fuse rated at 1A provides immediate protection against overcurrent and short circuits, minimizing the risk of damage to the amplifier and external devices.
Q: When is it recommended to use the test points provided on the amplifier?
A: Test points are intended for troubleshooting and performance analysis, recommended during routine maintenance, calibration, or when diagnosing signal and electrical characteristics in engineering applications.
Q: What is the primary benefit of the low distortion feature in this amplifier?
A: With harmonic distortion kept below 0.5% at rated output, the amplifier guarantees accurate signal reproduction, resulting in clear audio quality essential for electronics research and educational instruments.