Whooper by LM3909
Whooper by LM3909
Speaker 8 OHM.
Voltage Supply 1.5V Only.
This origin sound unusual circuit. Be the sound is whooper which this circuit uses IC LM3909. Then use voltage supply 1.5V only just. Can apply to 8ohm loudspeakers. But this work must use IC LM3909 x 2 amounts are, but there is the size of tiny circuit sir.
Source : Whooper by LM3909
