Guide: What Is True Bypass

A chromatic pedal tuner will be considered True Bypass when the circuit allows the signal to go directly from the input jack through the switch to the output jack with no connection to the circuitry in the box.

This connection does not degrade the signal output to other pedals or amplifiers. The jacks, wires and switches let only micro-ohm resistance flow inline with the signal which will not affect tone or volume.

NUX DS-3 Distortion Guitar pedal True bypass with Classic and Blues rock tone. NUX DS-3 Distortion Guitar pedal True bypass with Classic and Blues rock tone.
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This question is often answered by Chromatic Pedal Tuner manufacturers through their clever marketing insinuations. According to http://www.stinkfoot.se/andreas/diy/articles/tuners.htm “Very few actually do produce any tuners with a true bypass arrangement. The only one I have confirmed to be true bypass is the Korg PitchBlack. As for the others... in many cases, I know they aren't, and in others, it hasn't been confirmed to be either way.”

This leads to the Other Question, Which Chromatic Pedal Tuners have True Bypass?
Stinkfoot claims to have checked out most of the Pedal Tuners Brands and found very few with the True Bypass circuitry. Some models are sort of true bypass while other models are not even close. The Korg PitchBlack pedalboard tuner is the only confirmed to be true bypass.

The Peterson Strobostomp is understood to be True Bypass, but it seems to have a 1M resistor in the bypass path that may disqualify this Pedal Tuner. A simple test to confirm if a Pedal Tuner is True Bypass is to plug in the Pedal Tuner. If you can tune your guitar/bass, whether the switch is activated or not, the Pedal Tuner you are testing is not True Bypass.

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Remember the definition of True Bypass. The signal must pass straight through the box without going through the circuitry when the effect is bypassed. A failsafe True Bypass can be achieved by wiring a bypass switch inside a separate true bypass box. When this switch is activated, the signal is completely disconnected from the input signal.

When the input to the circuit board is still connected to the signal path and the input impedance of the circuit is loading the signal line, it can cause loss of high frequencies and overall volume. You can test this by connecting the true bypass box to bypass the entire pedal chain so that you have either the straight signal through the bypass box or the buffered signal through the pedal chain. You should be able to hear a difference in sound quality with the bypass box on then off. Let your ears recognize if you need to make adjustment.

The True Bypass Rule is to eliminate the effect of a pedal's input load on the signal when the switch is bypassed. Using a Chromatic Pedal Tuner by itself may not cause any issues, whether it is True Bypass or not. Stacking a series of buffered pedals can lead to signal degradation. To rule out one possible signal underperformance, use a quality cable between the guitar and the pedalboard.

Keep the music LIVE.

NUX DS-3 Distortion Guitar pedal True bypass with Classic and Blues rock tone.
NUX DS-3 Distortion Guitar pedal True bypass with Classic and Blues rock tone.
List Price: $29.20
Sale Price: $29.18
You save: $0.02 (%)
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TTONE New Triple Guitar Loop Pedal True Bypass Pedals Board Looper 3 Channel Switcher Buzz Electronics
TTONE New Triple Guitar Loop Pedal True Bypass Pedals Board Looper 3 Channel Switcher Buzz Electronics
Sale Price: $39.95
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Features

  • Add True Bypass to any effects pedal
  • All 3 pedals can be engaged at once.
  • Clean up your tone.
  • The loops engage immediately when a switch is pressed.

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10 pcs 3pdt Stomp Footswitch incl PCB incl metal washer, for Guitar Pedal True Bypass foot switch
10 pcs 3pdt Stomp Footswitch incl PCB incl metal washer, for Guitar Pedal True Bypass foot switch
Sale Price: $21.90
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Features

  • 5 pcs 9 Pole Footswitch for True Bypass Switching
  • incl. 5 pcs 3pdt wiring PCB board
  • incl. 5 metal washers (to replace the white plastic washers)
  • Sufficient red epoxy glue on the switch pins to protect the switch from soldering heat
  • Hex nuts, lock washer, flat washer included

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Donner True Bypass Pearl Tremor Pure Analog Phaser Guitar Effect Pedal
Donner True Bypass Pearl Tremor Pure Analog Phaser Guitar Effect Pedal
List Price: $36.00
Sale Price: $27.99
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Features

  • Pure analog phase effect, warm and plump sound
  • Whole aluminum-alloy chassis, stable and strong
  • True Bypass provide transparent tone
  • LED indicator shows the working state

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Estone 9-pin 3pdt Guitar Effects Pedal Box Stomp Foot Metal Switch True Bypass New
Estone 9-pin 3pdt Guitar Effects Pedal Box Stomp Foot Metal Switch True Bypass New
Sale Price: $3.45
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Features

  • Only sold by Heroneo.Photo taken by Heroneo. 100% Brand new and high quality
  • The item can be used to rewire vintage pedals or effects boxes
  • For unbuffered bypassing/true bypass of the effect circuit without coloring the tone of the instrument or other components in the signal chain.
  • The third pole can be wired to control an LED status light or other custom function.
  • There are a total of 9 lugs on each switch, three per pole.There are a total of 9 lugs on each switch, three per pole.

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NEW Loop Pedal - 3 Looper -True Bypass-Pedal Board - Electric Guitar Effects Pedal Switch army green
NEW Loop Pedal - 3 Looper -True Bypass-Pedal Board - Electric Guitar Effects Pedal Switch army green
Sale Price: $39.99
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Features

  • Add True Bypass to any effects pedal
  • All 3 pedals can be engaged at once.
  • Clean up your tone.
  • The loops engage immediately when a switch is pressed.

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Aroma ADT-1 Distortion Electric Guitar Effect Pedal Aluminum Alloy Housing True Bypass
Aroma ADT-1 Distortion Electric Guitar Effect Pedal Aluminum Alloy Housing True Bypass
List Price: $26.50
Sale Price: $25.03
You save: $1.47 (6%)
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Features

  • Tube distortion simulation and built-in FET transistor.
  • True bypass design, minimizes tone loss and get more control of your pedal.
  • High gain distortion, low power consumption.
  • 3 adjustable knobs: Gain, Tone, Level
  • Aluminum alloy housing, sturdy and durable.

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Donner Dt-1 Chromatic Guitar Tuner Pedal True Bypass
Donner Dt-1 Chromatic Guitar Tuner Pedal True Bypass
List Price: $26.00
Sale Price: $19.99
You save: $6.01 (23%)
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Features

  • Chromatic which is suitable for wide range tuning
  • LCD display leads clear results of tuning
  • True bypass, real signal, no loss of tune
  • Tuning range: a0(27.5Hz)~c8(4186hz)
  • Tuning method: auto

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Joyo JF-01 Vintage Overdrive Guitar Effect Pedal with True Bypass
Joyo JF-01 Vintage Overdrive Guitar Effect Pedal with True Bypass
List Price: $49.99
Sale Price: $30.00
You save: $19.99 (40%)
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Features

  • 9V battery included and 9V DC power connection
  • Quality Switch, Tone, Volume and Drive Knobs
  • LED, notched knobs
  • Stomp box style DPDT switch for clean, quiet switching
  • Single ¼ inch (instrument cable) input and output jacks

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ammoon Mini Guitar Effect Pedal Loop Box Switcher Channel Selection True Bypass
ammoon Mini Guitar Effect Pedal Loop Box Switcher Channel Selection True Bypass
List Price: $25.49
Sale Price: $24.99
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Features

  • Guitar loop effect pedal with true bypass.
  • Mini size, durable zinc-aluminium alloy body.
  • With SEND & RETURN jacks for other effects to get true bypass function.
  • Support route selection, suitable for no direc effect like bass guitar pedals.
  • With LED indicator light showing the working status.

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