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.

Joyo JT-305 Guitar Bass Chromatic Pedal Tuner, True Bypass, 4 Display Modes Joyo JT-305 Guitar Bass Chromatic Pedal Tuner, True Bypass, 4 Display Modes
Sale Price: $31.00
 

Features

  • Easy to use
  • Durable Metal Casing
  • True Bypass
  • Four Display Modes
  • Bright LED Display

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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.

Joyo JT-305 Guitar Bass Chromatic Pedal Tuner, True Bypass, 4 Display Modes
Joyo JT-305 Guitar Bass Chromatic Pedal Tuner, True Bypass, 4 Display Modes
Sale Price: $31.00
  Eligible for free shipping!

Features

  • Easy to use
  • Durable Metal Casing
  • True Bypass
  • Four Display Modes
  • Bright LED Display

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Joyo JF-09 Tremolo Guitar Pedal with True By-Pass wiring and Quality Components to Achieves the Desired Sound
Joyo JF-09 Tremolo Guitar Pedal with True By-Pass wiring and Quality Components to Achieves the Desired Sound
Sale Price: $21.28
  Eligible for free shipping!

Features

  • Features true bypass wiring, quality components
  • Achieves the distinctive sound heard on so many classic recordings
  • Sound quality from true bypass wiring and clean circuit path
  • Includes 9V battery, also functions via DC in.
  • Rate and Depth, standard for every Trem. Effect.

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Donner True Bypass Boost Killer Effect Pedal, Rich Distortion Sound
Donner True Bypass Boost Killer Effect Pedal, Rich Distortion Sound
Sale Price: $30.99
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Features

  • True gain booster, double +/- 15dB equalization to make the purest sound with lowest losing
  • Create the rich distortion sound, and make it more powerful
  • 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: $2.99
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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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Joyo JF-01 "Vintage Overdrive" Pedal with True Bypass, Quality Switch, and Tone, Volume and Drive Knobs
Joyo JF-01 "Vintage Overdrive" Pedal with True Bypass, Quality Switch, and Tone, Volume and Drive Knobs
List Price: $39.99
Sale Price: $24.46
You save: $15.53 (39%)
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Features

  • 9V Battery is included, also has 9V DC power connection
  • JF-01 Vintage Overdrive (distortion pedal)
  • Quality components include LED, notched knobs and wiring
  • Stomp box style DPDT switch for clean, quiet switching
  • Single ¼ inch (instrument cable) input and output jacks

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Keeley True-Bypass Looper and Switcher Guitar Effects Pedal
Keeley True-Bypass Looper and Switcher Guitar Effects Pedal
List Price: $99.00
Sale Price: $84.50
You save: $14.50 (15%)
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Features

  • Make an effect or group of effects True-BypassUse as a tuner switch to mute during tuningUse as an effects looper switcher, switch in multiple effects!Operates with or without powerDual LED indicators to let you know what mode you are inResistors added to keep switch pop to a minimumStamped Serial Number

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Donner DT-1 Chromatic Guitar Pedal Tuner, True Bypass
Donner DT-1 Chromatic Guitar Pedal Tuner, True Bypass
Sale Price: $18.99
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Features

  • 1.Chromatic which is suitable for wide range tuning.
  • 2.LCD display leads clear results of tuning.
  • 3.True bypass, real signal, no loss of tune.

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NEEWER® CP-19 Blue Ocean Delay Guitar Effect Pedal True Bypass
NEEWER® CP-19 Blue Ocean Delay Guitar Effect Pedal True Bypass
List Price: $46.95
Sale Price: $28.36
You save: $18.59 (40%)
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Features

  • Green delay is a natural sounding digital/analog delay, with analog direct signal path
  • The Green delay has about the same bandwidth as the classic tape echo units
  • LEVEL: Sets the level of delayed signal mixed with straight guitar tone
  • DELAY: Controls the delay time from 25ms to 600ms
  • REPEAT: Controls the repeats of the delay signal

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Digitech TR-7 Hardwire Stompbox Stereo Tremelo And Rotary with True Bypass
Digitech TR-7 Hardwire Stompbox Stereo Tremelo And Rotary with True Bypass
List Price: $189.95
Sale Price: $129.75
You save: $60.20 (32%)
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Features

  • 7 tremelo/rotary types
  • Stereo 1/4" inputs/outputs
  • Controls for speed, depth, modify and tremelo type.

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Digitech BWHAMMY Bass Pitch Effect Pedal with True-Bypass and MIDI Input
Digitech BWHAMMY Bass Pitch Effect Pedal with True-Bypass and MIDI Input
List Price: $299.95
Sale Price: $199.95
You save: $100.00 (33%)
  Eligible for free shipping!

Features

  • Iconic Whammy effect
  • Two different classic and chord (polyphonic) tracking modes
  • 21 different pitch settings, MIDI input for control, True bypass
  • Optimized for bass frequencies
  • Updated original Bass Whammy settings and more, power supply included

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