Simple amplifier

 

This scheme is an simple amplifier, from this obtainable simple amplifier scheme of voice quality enough fair to middling. For component at under this :
 
·     C1,C2 100 nF
·     C3 220 uF / 16 V
·     C4     1000 uF / 16 V
·     LS1   SPEAKER
·     Q1    BC108B
·     Q5    2N3053
·     Q7,Q8       2N3073
·     R1     4K7
·     R2     10 M
·     R3     100 K
·     R4     3K3
·     R5     1 K
·     R6     220 K