arrayedatthetopandbottomoftheamp'sfrontpanel.Onebuttonswitchesbetween
the top and bottom channels ( and or and ),
while the other activates or and or . The
onboard channel switching facility, is disabled when you plug a footswitch into this
jack. The MIDI In port (44) and the Z-9 Port (47) are both disabled when a plug is
connectedtothisjack.
A footswitch may be equipped with LEDs indicating the given switching
status. Each of the two switches is provided with 15 milliamperes current, which
sufficestopowerastandardLED.Thestereojackplug'smonocontact(tip)controlsup
and down channel selection ( and ), while the other contact
(ring) controls and channel selection. For details on wiring,
seePinAssignmentsonpage35.
eepage26formoreinformation.
Channel 1 Channel 2 Channel 3 Channel 4
Channel 1 Channel 3 Channel 2 Channel 4
CH1<>CH2 CH3<>CH4
CH1 < > CH3 CH2 < > CH4
Note also:
49ThresholdLevel
50FXLoopISend
51 FX Loop I Return
52 Balance
Use this knob to set a threshold value (that is, the noise level) at whichthe
activatestosuppressthesignal.Thefurther youtwisttheknobtotheright, thehigher
the signal level at which the kicks in. The can be activated and
deactivated as required for , and by pushing the front
panelbutton(17).
The Low and High Gain options generate different levels of noise, and I tuned the
ENGL INVADER's Noise Gate accordingly. However, there is some minor matching
variancebetween thetwo. standstobenefit most from the Noise Gate, so I
suggestthatyoutweakitstwoknobsforthismode.S
Connect this FX Loop I output to a signal processor's input/return jack using the
shortestpossibleshieldedcordequippedwith1/4"plugs.Activateanddeactivateitvia
the FX Loop I/II (16) button, which switches between these two loops. In the signal
path, islocatedpostpreampandprethetwopowerampMasterknobs.
ConnectthisFXLoopIinputtoasignalprocessor'soutput/sendjackusingtheshortest
possible shielded cord equipped with 1/4" plugs. Activate and deactivate it via the FX
Loop I/II (16) button, which switches between these two loops. In the signal path,
islocatedpostpreampandprethetwopowerampMasterknobs.
FX mix control for . When the knob is set to , the amp signal is routed
through with no processed signal (0% wet balance) added to the mix. Twist the knob
clockwise to blend in the processed signal (parallel/passive, wet balance 1-99%,
depending on knob position). When the knob arrives at the Effect position, only the
wet signal (that is, the processed signal generated by the connected effect device) is
patchedtothepoweramp(serial,100%wet).
Set this knob to when this loop is not in use!
Noise Gate
Noise Gate Noise Gate
Channel 2 Channel 3 Channel 4
HighGain
FXLoopI
FX
LoopI
FX Loop I Dry
Dry
Atipfromthedesigner:
NOTE:
22
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