12REVERB
13CLEANVOLUME
14CLEAN
15CRUNCHVOLUME
16CRUNCH
17PRESENCEA
18PRESENCEA/B
Reverb intensity knob. Twist it to adjust the amount of reverb for Main Channel 1
. Activate (22) and twist the Reverb knob clockwise to increase
the effect's intensity. The signal remains completely dry when the knob set to the 7
o'clockpositionor (22)isdeactivated.TheredLEDabovethisbuttonlightsupto
indicate ison.Inaddition,itcanbeactivatedanddeactivatedviaMIDIprogram
changeorCustomZ-9Footswitch.
Determines the Clean channel's level. Use this knob to adjust the Clean channel's
volume and dial in the desired balance in comparison with the other channels' levels.
Becausethisknobislocatedpreeffectsloop,italsodeterminestheeffectssendlevelin
Clean mode. The green LED to the right of the knob lights up to indicate the Clean
channelison.
Pushthis button toactivate thepreamp's Cleanchannel directly(in reciprocationwith
, , , and ). The green LED to the right of the
Clean Volume knob (13) lights up to indicate the Clean channel is active. The Clean
channel may also be activated via MIDI program change, the ENGL Custom Z-9
Footswitch,oradualfootswitch.
Determines the Crunch channel's level. Use this knob to adjust the Crunch channel's
volume and dial in the desired balance with the other channels' levels. Because this
knob is pre effects loop, it also determines the effects send level in Crunch mode. The
yellowLEDtotherightoftheknoblightsuptoindicatetheCrunchchannelison.
Press this button to activate the preamp's Crunch channel directly. (in reciprocation
with , , , and ), The yellow LED to the right of
the Crunch Volume knob (15) lights up to indicate the Crunch channel is active. The
Crunchchannelmayalso beactivatedviaMIDIprogramchange,theENGL CustomZ-9
Footswitchoradualfootswitch.
Power amp Presence A knob. This knob determines the power amp's high frequency
response when is activated. The red LED next to the knob lights up to
indicate isactive.
Switches back and forth between and . The LED next to the
givenPresencecontrollightsuptoindicateitison;redsignifies ison;green
signifies ison. mayalsobeswitchedviaMIDIprogramchange
orCustomZ-9Footswitch.
Clean/Crunch Reverb
Reverb
Reverb
Crunch Lead I Lead II Tube Driver T. D.EQ.
Crunch Lead I Lead II Tube Driver T. D.EQ.
Presence A
PresenceA
Presence A Presence B
PresenceA
PresenceB PresenceA/B
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