User Manual
Zelzah - Multidimentional Phaser
pg 6
Rear Panel I/O and Control (cont.)
INPUT
MONO
IN OUT L OUT R
STEREO
USB
EXP / MIDI
Multifunction communication jack for external control of Zelzah’s 
features and functions. Can be set to operate in one of the following 
modes (See page 15 for details.):
Expression Pedal mode: Allows continuous control over any of the 
knobs in any direction with a standard TRS expression pedal.
(See page 17 for details.)
Favorite  mode : Allows you to recall a Favorite setting using a 
Strymon MiniSwitch.
(See page 19 for details.)
Tap  mode : Allows you to control the SPEED of the 6-stage phaser 
with TAP tempo using a Strymon MiniSwitch.
MIDI  mode : Allows for the selection of three presets using a 
Strymon MultiSwitch Plus. Full MIDI functionality is available by 
sending MIDI Program Change messages via 1/4" MIDI connection 
using a Strymon Conduit or MIDI EXP cable. Up to 300 presets are 
available via MIDI.
(See page 22 for MultiSwitch Plus or page 23 for MIDI.)
9VDC
Use the included power 
supply or an adapter with the 
following rating: 
• 9VDC center negative
• 300mA minimum
USB
Used for MIDI control as well 
as for performing firmware 
updates.










