Meters : 3Nos. of Moving Coil Ammeter of Range 10 A AC of size 96*96mm provided on the front panel.
:1No. of Moving Coil Voltmeter of Range 500V AC of size 96*96mm provided on the front panel.
Control panel housed in a wooden cabinet in tapered shape for better view angle. Meters and variable power source mounted on thick Bakelite front panel with connection terminals.
Input & output terminals (4mm).
Plot frequency response characteristics of Microphone and Loudspeaker.