Amarna Optimum have BD139 and BD140 (hFE100 both) on input and voltage stages;)
Stee Member Joined 2005 esafono.it 2013-02-18 2:53 pm #21 2013-02-18 2:53 pm #21 Amarna Optimum have BD139 and BD140 (hFE100 both) on input and voltage stages Attachments AMARNA OPTIMUM.png 98.9 KB · Views: 98 ••• More options Share