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 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: $23.35
You save: $16.64 (42%)
 

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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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 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: $23.35
You save: $16.64 (42%)
  Eligible for free shipping!

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

Reviews

Joyo JF-02 Ultimate Overdrive Pedal, featuring true Bypass Wiring, Tone Switch and Quality components
Joyo JF-02 Ultimate Overdrive Pedal, featuring true Bypass Wiring, Tone Switch and Quality components
List Price: $39.99
Sale Price: $25.66
You save: $14.33 (36%)
  Eligible for free shipping!

Features

  • Recreates sound of a Late 70's overdriven tube-amp
  • Features Gain, Level and Tone knobs, as well as Hi/LowTone switch allows even brighter top end
  • Rich in second- and third-order harmonics
  • Different sounds possible, covers punk to country

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JOYO JF-17 Guitar Extreme Metal Amplifier Effect Pedal True Bypass
JOYO JF-17 Guitar Extreme Metal Amplifier Effect Pedal True Bypass
Sale Price: $24.38
  Eligible for free shipping!

Features

  • Three bands powerfuly adjustable EQ with sweep Mid-Freq knob
  • Provides a strong low frequency, a clear and transparent high frequency
  • Penetrating min rhythm tone or sharp wide accompaniment tone
  • High, mid, and low sound switches and boost, level and drive switches
  • Boost and true bypass design to minimize the tone loss

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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
  Eligible for free shipping!

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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Donner True Bypass Boost Killer Effect Pedal, Rich Distortion Sound
Donner True Bypass Boost Killer Effect Pedal, Rich Distortion Sound
Sale Price: $30.99
  Eligible for free shipping!

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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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: $33.95
  Eligible for free shipping!

Features

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

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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: $85.00
You save: $14.00 (14%)
  Eligible for free shipping!

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 True Bypass Surge Rotater Reverb Effect Pedal
Donner True Bypass Surge Rotater Reverb Effect Pedal
Sale Price: $51.99
  Eligible for free shipping!

Features

  • 3 Reverb modes: Room, Plate, Spring
  • Whole aluminum-alloy chassis, stable and strong
  • True bypass provide transparent tone
  • LED indicator shows the working state

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JOYO JF-30 A/B Switch Guitar Effect Pedal True Bypass AC Adapter DC 9V
JOYO JF-30 A/B Switch Guitar Effect Pedal True Bypass AC Adapter DC 9V
Sale Price: $30.91
  Eligible for free shipping!

Features

  • Output impedance: 0 Ohm
  • Input impedance: 0 Ohm
  • Weight:200g
  • Running current:2mA
  • Power:6F22 9V Battery / DC 9V adapter

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Digitech JMEXTV JamMan Express XT Compact Stereo Looper Pedal with JamSync
Digitech JMEXTV JamMan Express XT Compact Stereo Looper Pedal with JamSync
List Price: $149.95
Sale Price: $99.95
You save: $50.00 (33%)
  Eligible for free shipping!

Features

  • 10 minutes of Stereo recording time
  • True-bypass, Jam Sync, Silent Clear
  • Separate LEDs for Record, Overdub, and Play Status
  • Unlimited Overdubs with Undo and Redo
  • 24-bit 44.1kHz sample rate

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