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9 - 12 V

in

out

Owner’s

Manual

M

ast

ro Valvola

Front Panel

Rear Panel

1

Tempesta

lead

 cha

nnel

Ma

stro Valvola

gain

volume

deep

tone

On

Off

signal tone

True bypass on/o

ff

Output

signal level

Deep switch:
position:

left = o

ff

right = on

gain

Tempesta

lead channel

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