Power Sequence
Introduction
Q: What is the recommended order to turn components on and off?
A: Short version:
- Turn on the powered loudspeakers last.
 - Turn off the powered loudspeakers first.
 
We want to avoid amplifying the sounds of connecting and disconnecting things in the signal chain.
Terminology
For this discussion
- The powered loudspeaker is anything with an amplifier:
- L1 Compact
 - L1 Model 1S
 - L1 Model II
 - S1 Pro system
 - F1 Model 812 Flexible Array Loudspeaker
 - PackLite® power amplifier model A1
 - Any third-party active loudspeaker (has an amp and loudspeaker)
 
 - The mixer is
 - Any Template:ToneMatch mixer or T1 ToneMatch Audio Engine
 - Any third-party mixer
 
Overview
- Power on
 - Follow the signal path from source to loudspeaker.
 
- Power off
 - Do the reverse of Power on.
 
Detail
Power On
- Follow the signal path from source to loudspeaker.
 
- Turn on anything that plugs into an input on the mixer
 - Turn on the mixer mixer
 - Turn on powered loudspeaker
 
Power off
- Turn off powered loudspeaker
- If you have an PackLite® power amplifier model A1, turn it off first
 - L1 Model 1S and L1 Model II only, you can remove the Cylindrical Radiator® and B1 Bass Module and B2 Bass Module first if you like.
 
 - Turn off the mixer
 - Turn off anything that plugs into an input on the mixer
 
Summary
Turn on the powered loudspeaker last.
Turn off the powered loudspeaker first.