Marshall AS50D Guia De Inicio Rapido página 6

ENGLISH
16. PHASE SWITCH
Controls the amount of low frequency acoustic
feedback.
17. NOTCH FILTER SWITCH
Cuts the frequency selected using the
frequency control, to reduce feedback further.
18. FREQUENCY CONTROL
Select the frequency of the feedback you wish
to reduce.
19. MASTER VOLUME
Controls the overall volume output from the
amplifier.
20. POWER SWITCH
This is the On/Off switch for the mains power
to the amplifier.
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