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.

Radial BigShot ABY True-bypass Switch Pedal Radial BigShot ABY True-bypass Switch Pedal
Sale Price: $89.99
 

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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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.

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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Donner Yellow Fall Vintage Pure Analog Delay Guitar Effect Pedal True Bypass
Donner Yellow Fall Vintage Pure Analog Delay Guitar Effect Pedal True Bypass
List Price: $46.00
Sale Price: $35.00
You save: $11.00 (24%)
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Features

  • Pure analog Whole circuit delay, clear, plump and smooth New Delay effect. Aluminium-alloy classic, stable and strong
  • Aluminium-alloy classic, stable and strong.
  • True bypass provide transparent tone,LED indicator shows the working state.
  • 3 Knobs, ECHO is mix, TIME for 20-620ms delays, FEEDBACK is the repetions.
  • Important instructions 1-Please make sure the the diameter for power plug using is 5.5, and the power for the adapter is OUT-DC 9V- 500mA 4.5W. The misusage for power adapter usually can lead to a loud buzzing sound

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E Support 3PDT 9 Pins Box Stomp Guitar Effect Pedal Foot Switch True Bypass Metal Pack of 5
E Support 3PDT 9 Pins Box Stomp Guitar Effect Pedal Foot Switch True Bypass Metal Pack of 5
List Price: $11.29
Sale Price: $9.99
You save: $1.30 (12%)
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Features

  • For rewiring vintage padals or effect boxes
  • For ,Electro-Harmonix, T Rex,Retro FX,Radial Bigshot,ect effects pedals
  • The third pole can be wired to control an LED status light or other custom function.
  • There are a total of nine lugs on each switch,three per pole.
  • For unbuffered bypassing/true bypass of the effect circuit without coloring the tone of the instrument or other components in the signal chain.

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Mosky Mini TM Overdrive Pedal Electric Guitar Effect Pedal with True Bypass
Mosky Mini TM Overdrive Pedal Electric Guitar Effect Pedal with True Bypass
List Price: $98.80
Sale Price: $26.99
You save: $71.81 (73%)
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Features

  • Single knob control to Simple operation
  • Single Knob Controls -Overdrive Gain
  • Three Internal Trim Knobs (bass,treble,Vol)
  • Small Size, Big Sound,Timmy Overdrvie
  • With True Bypass Switching

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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: $31.19
Sale Price: $27.07
You save: $4.12 (13%)
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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
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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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
You save: $8.01 (22%)
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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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Joyo JF-09 Tremolo Guitar Pedal with True Bypass Wiring
Joyo JF-09 Tremolo Guitar Pedal with True Bypass Wiring
Sale Price: $30.04
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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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Andoer CP-24 10-Band EQ Equalizer True Bypass Guitar Effect Pedal with Aluminium Alloy
Andoer CP-24 10-Band EQ Equalizer True Bypass Guitar Effect Pedal with Aluminium Alloy
Sale Price: $46.80
  Eligible for free shipping!

Features

  • 10-Band equalizer professional guitar pedal.
  • Includes the frequency bands: 31.25Hz, 62.5Hz, 125Hz, 250Hz, 500Hz, 1KHz, 2KHzand, 4KHz, 8KHz and 16KHz.
  • True bypass design minimizes tone loss.
  • Sturdy aluminum alloy case.
  • Comes with 4 protective caps to protect petal.

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Donner Wah Cry 2 in 1 Mini Guitar Wah Effect/Volume Pedal True Bypass
Donner Wah Cry 2 in 1 Mini Guitar Wah Effect/Volume Pedal True Bypass
List Price: $88.00
Sale Price: $68.00
You save: $20.00 (23%)
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Features

  • 2 in 1 pedal (WAH/volume). Multi-functional pedal with extremely mini size
  • Adjustable control range (bottom value)
  • Active volume mode will keep lossless tone.
  • The response is based on the original Crybaby response
  • Working current: 15 mA. Power Supply: 9V AC adapter (positive Tip)True bypass

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