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.

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%)
 

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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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.

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%)
  Eligible for free shipping!

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

Reviews

Radial BigShot ABY True-bypass Switch Pedal
Radial BigShot ABY True-bypass Switch Pedal
Sale Price: $89.99
  Eligible for free shipping!

Features

  • True-bypass ABY amp selector with LED indicatorsOn-board transformer to eliminate hum & buzz180 polarity reverse to phase-match amps100% passive audio path, does not require power

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New Looper-Guitar Loop Pedal Board-True Bypass- Guitar Effects pedal switch For Electric Guitar Guitar Parts Accessories Brown
New Looper-Guitar Loop Pedal Board-True Bypass- Guitar Effects pedal switch For Electric Guitar Guitar Parts Accessories Brown
Sale Price: $39.99
  Eligible for free shipping!

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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Joyo JF-09 Tremolo Guitar Pedal with True Bypass Wiring
Joyo JF-09 Tremolo Guitar Pedal with True Bypass Wiring
Sale Price: $37.90
  Eligible for free shipping!

Features

  • True Bypass construction.
  • Realistic Trem tones.
  • Heavy duty switch with all Metal casing.
  • Comes with a battery for direct Plug n' Play if needed.
  • The operation power supply must be controlled 9V , if it over 9V , the item will be burn up , then the item cannot be work in normally .

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ammoon® AP-12 Voodoo Octave Fuzz Effect Guitar Effect Pedal True Bypass
ammoon® AP-12 Voodoo Octave Fuzz Effect Guitar Effect Pedal True Bypass
Sale Price: $30.14
  Eligible for free shipping!

Features

  • A representation of the classic Tube Screamer, with an updated JRC4588 chip.
  • The overdrive effect is mellow, mild, smooth and exquisite.
  • Drive, Tone, and Volume Controls.
  • True bypass design to minimize the tone loss.
  • Aluminum alloy casing with stove varnish finish.

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Neewer® Compact Classical Electronic Overdrive Guitar Effect Pedal True Bypass, Provides Two Tone Mode (High Peak / Low Peak Mode), Easy Controls with Great Responsive Performance
Neewer® Compact Classical Electronic Overdrive Guitar Effect Pedal True Bypass, Provides Two Tone Mode (High Peak / Low Peak Mode), Easy Controls with Great Responsive Performance
Sale Price: $19.99
  Eligible for free shipping!

Features

  • Features two modes: HP Mode for enlarging the output to get the tightened electromagnetical sound; LP Mode for reproducing the classical electronic overdrive with plump, warm and sweet effect
  • Sturdy construction with solid metal housing, smooth knobs, solid switched, and well-built jacks
  • Compact small-sized petal allows for easy placement and convenient portability
  • Simple and intuitive pedal with a LED indicator shows the working state, easy to use
  • Can only be powered by 9V Power Adapter with tip negative(NOT INCLUDED). Note: Pedal ONLY. Guitar and Cables in the pictures NOT INCLUDED

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Donner True Bypass Boost Killer Guitar Effect Pedal Rich Distortion Sound
Donner True Bypass Boost Killer Guitar Effect Pedal Rich Distortion Sound
List Price: $36.00
Sale Price: $27.99
You save: $8.01 (22%)
  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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5 pcs 3pdt Stomp Footswitch incl. PCB, metal washer, for Guitar Pedal True Bypass foot switch
5 pcs 3pdt Stomp Footswitch incl. PCB, metal washer, for Guitar Pedal True Bypass foot switch
Sale Price: $14.90
  Eligible for free shipping!

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 washers included as well

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Voodoo Lab PX-8 True-Bypass Pedal Switcher w/ 6 Patch Cables
Voodoo Lab PX-8 True-Bypass Pedal Switcher w/ 6 Patch Cables
List Price: $299.00
Sale Price: Too low to display
  Eligible for free shipping!

Features

  • Includes 6 Patch Cables!
  • 8 true bypass audio loops using the finest gold contact relays
  • One-button access to clean, rhythm & lead effect combinations
  • Instantly recall 128 preset combinations of effects via MIDI
  • Compatible with Ground Control Pro or any MIDI controller

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AA - AAS-5 ACOUSTIC True Bypass Mini Portable Guitar Effects Pedal for Guitar Bass
AA - AAS-5 ACOUSTIC True Bypass Mini Portable Guitar Effects Pedal for Guitar Bass
List Price: $28.99
Sale Price: $22.49
You save: $6.50 (22%)
  Eligible for free shipping!

Features

  • 1. Acoustic guitar simulator
  • 2. Volume, body and top control
  • 3. 3 options of piezo, standard and jumbo
  • 4. True bypass
  • 5. Power Supply: AC Adapter 9V DC, centre negative( Power adapter is not included)

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