User Manual
23
5. LOUDSPEAKERCONNECTION
Hereunderisadescriptionthatcanbeappliedtoeachchannel.
Attention
Toavoidtheriskofelectricshocks,nevertouchtheamplifieroutputswhentheyareoperating.
Thedevicecanbeusedwithloudspeakershavingconstantimpedance(4Ω)aswellasconstantvoltage(70V,100V).Keep
thefollowinginstructionsinmindwhencarryingoutconnections.
Constantimpedanceline
Turntheoperatingmethodselector(Fig.2,Ref .5)to4Ω.
Connecttheconstantimpedanceline(4Ω)betweenthetwo“+”and“‐”terminals(Fig.2,Ref .8).
9 In order to ensure maximum performance, total impedance of the loudspeakers connected to the line must be
equivalenttotheoutputimpedanceoftheamplifier.
9 Thetotalpowerof
thediffusersmustnotbelessthantheoutputpoweroftheamplifier.
9 It is advisable to minimize the length of connection, and anyhow increase the cable section according to the distance
covered.
Constantvoltageline
Turntheoperatingmethodselector(Fig.2,Ref .5)to100V.
Connecttheconstantvoltageline(100V)betweenthetwo“+”and“‐”terminals(Fig.2,Ref.8).
9 Theloudspeakersmustbesuppliedwithatransformerhavinganinputvolt ageequivalenttothatoftheamplifier.
9 Thetotalpoweroftheloudspeakersmustnotexceedthemaximum
outputpoweroftheamplifier.