Reference: Lab Experiments Journal vol-12, No.1, Page-42

Speaker and microphone characteristics

Experiment(s):

Determination of speaker characteristics like frequency response, sensitivity, audible range, bandwidth, coil resistance, inductance, etc

Specifications

1 . Speaker characteristics kit

                    Input: From signal generator
Voltmeter: Wide band
(200 KHz) AC voltmeter
Range: 0 - 2 V
Resolution: 0.001 V
Built-in power amplifier capable of powering up to 4 Ω speaker
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Power consumption: <30 W
Connectors: 2 mm - 2 mm
moulded brass pin patch cords
                  

2 . Sound intensity meter

                    Measures upto 130 dB
                  

3 . Speaker Set

                    Consist of 3 speakers - woofer, mid-range and tweeter
                  

4 . Signal generator

                    Frequency: 1 Hz to 1 MHz
Display: Frequency & waveform
Rated Input: 220 V/50 Hz  or 110 V/60 Hz
Power Consumption: <30 W
Amplitude: 0 to 20 V variable
Waveforms: Sine, square and triangular
                  

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