TC Electronic Flashback X4 Delay - Manual (Page 30)

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Bypass modes
Bypass modes
The Flashback X4 Delay & Looper has two bypass modes: True
Bypass and Buffered Bypass. To set the desired mode, you
have to open the device.
– Unscrew the back plate and look for the two small dip switches
shown in the illustration.
The left dip switch (labelled “1”) switches between True Bypass
mode (this is the default mode) and Buffered Bypass mode.
True Bypass Buffered Bypass
True Bypass mode
…is a hard-wire bypass that ensures that there is absolutely no
coloration of tone when the pedal is bypassed.
Using True Bypass on all your effect pedals is the right choice for
setups with only a few pedals and relatively short cables before
and after the pedals.
Buffered Bypass mode
If you use a long cable between your guitar and the first pedal, or
if you use many pedals on your board, or if you use a long cable
from your board to the amp… the best solution will most likely
be to activate Buffered Bypass mode in the first and the last pedal
in the signal chain.
“Can I hear the difference between a pedal in True By-
pass or Buffered Bypass mode?”
“Maybe, maybe not – many factors apply: active vs. passive pick-
ups, single coil vs. humbucker, cable quality, amp impedance…
There is no ultimate answer. Use your ears and find the best
solution for your setup!”