Caution: Always use a protective fuse in series with a battery
It still sounds nice.
Battery is discharged so that the voltage across it while the amplifier is operating is a bit less than 9 volts, in fact 8.9V.
Quiescent current trough transistor or loudspeaker at this condition is 200mA.
(Biasing resistor from collector to base is 10KΩ)
Signal path:
(Better Skies - Papercut) - YouTube - iPad mini headphones out, connection to one channel - 100μF 35V ELNA Silmic II capacitor - Pleiades 2N3055 in small aluminum box - Pleiades Auratone 5C type speaker placed on linoleum carpet above wooden floor - bedroom lab
The battery used is a discharged 1.2AH lead acid multipower.
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