En el manual lo pone. Se puede hacer, pero tiene que estar en "Standby".
"When the amplifier is in standby mode the
whole preamplifier section continues running at
its nominal voltages whilst the power amplifier
remains in a standby status. This allows the
amplifier to be used for silent recording or
preamplification purposes.
NOTE: Only when the STANDBY is off can
the amplifier be used without a load for silent
recording. Always ensure a load is
connected when leaving the silent recording
mode, i.e. when switching the STANDBY
switch ON."
2
#2 Muchas gracias! Debí leerme el manual de manera "no muy exaustiva", parece...