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PA (Public Address) System Trainer - PA System Trainer Equipment for Education, Engineering & Vocational Training
Made in our own plant in Ambala Cantt, the PA System Trainer & Lab Kit for Vocational Training and Didactic Labs is supplied to colleges, technical institutes and industry for electronics work, in single units or bulk. Part of our Consumer Electronics Trainers range.
The PA (Public Address) System Trainer is designed to provide students with practical knowledge of the construction, operation, testing and analysis of a public address amplifier system.
The complete PA amplifier circuit is provided on a single PCB, allowing students to easily identify individual circuit sections, carry out voltage measurements and observe signal waveforms at different stages of the system.
The trainer is suitable for practical laboratory work in electronics, electrical engineering, communication engineering and vocational training programmes.
The trainer enables students to:
Study the basic circuit and operation of a Public Address System.
Understand different stages of a PA amplifier.
Trace the audio signal through various circuit sections.
Measure voltages at important test points.
Observe intermediate waveforms using an oscilloscope.
Study microphone and auxiliary signal inputs.
Understand tone-control operation.
Study speaker impedance matching and output connections.
Perform practical testing, adjustment and troubleshooting exercises.
Complete Public Address amplifier circuit on a single PCB.
Components clearly arranged for easy identification.
Convenient access to important circuit points for measurements and waveform observation.
Internal and external controls accessible for practical adjustment and testing.
Typical operating voltages and waveform information provided for reference.
Microphone and auxiliary input facilities.
Bass and treble tone controls.
Audio monitoring indicators.
Multiple speaker impedance output taps.
High-quality terminals and sockets provided at appropriate locations for experimental connections.
Designed for demonstration as well as hands-on student experiments.
Supplied with detailed operating and experiment manual.
Signal-to-Noise Ratio: 60 dB
Frequency Response: 100 Hz – 15 kHz
Output Power: Up to 80 W RMS
Microphone Inputs: Two microphone inputs
Additional Input: Auxiliary input
Tone Controls: Bass and Treble
Speaker Matching Outputs: 4 Ω, 8 Ω and 16 Ω
Indicators: Audio monitoring indicators
Power Supply: 220 V AC, 50 Hz
Approximate Weight: 16 kg
Three microphones with leads and connectors
One 4 Ω, 4 W speaker for normal experimental operation
Connecting accessories as required
Detailed operating and experiment manual
The trainer is supported by comprehensive instructional material covering:
Experiment objectives
Relevant theory
Circuit description
Section-wise operation of the PA amplifier
Experimental procedures
Measurement and observation points
Suggested observations and reports
Reference material
Digital Multimeter
Dual-Trace Cathode Ray Oscilloscope
Application: Electronics Laboratories • Engineering Colleges • Technical Universities • Polytechnics • TVET Institutions • Vocational Training Centres
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