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: $32.99
 

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: $32.99
  Eligible for free shipping!

Features

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

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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: $52.00
Sale Price: $35.00
You save: $17.00 (33%)
  Eligible for free shipping!

Features

  • Pure analog Whole circuit delay, clear, plump and smooth New Delay effect. Aluminium-alloy classic, stable and strong
  • Small, light weight and exquisite guitar effect
  • True bypass provide transparent tone
  • LED indicator shows the working state
  • 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. 2- In case the switch clicks hard which sometimes causes a pop through the speaker,please take apart the pedal and adjust the Screw nut in the tap of the nail. 3- In this case, pedal does not function please check the light for the pedal. If there is no light at all, the power may be not suitable for the pedal or it may be damaged while shipping. 4- In case units does not work, please check if the power istoo high or not? If there is no problem with the power, please take apart the pedal, and take out the circuit board, then remove the cover and power to see if the pedal is under-effects or not. If yes, please adjust the screw nut.

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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: $26.28
You save: $20.67 (44%)
  Eligible for free shipping!

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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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: $3.29
  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 Surge Rotater Reverb Effect Pedal
Donner True Bypass Surge Rotater Reverb Effect Pedal
List Price: $70.38
Sale Price: $48.00
You save: $22.38 (32%)
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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 PXL4 Wave-X 4 Loop Effects Pedal Loop Switching System True Bypass
JOYO PXL4 Wave-X 4 Loop Effects Pedal Loop Switching System True Bypass
Sale Price: $77.99
  Eligible for free shipping!

Features

  • PXL4 is 4 Group(FX LOOP)
  • Power input protection
  • Programmable grouping system can save 16 effects combinations
  • Working voltage: 8-15V DC
  • True Bypass Design--no coloration

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JOYO JF-13 AC Tone Vox Amp Simulator Guitar Effect Pedal True Bypass
JOYO JF-13 AC Tone Vox Amp Simulator Guitar Effect Pedal True Bypass
Sale Price: $30.00
  Eligible for free shipping!

Features

  • The Joyo JF-13 AC Tone is for those who love the classic Class A amp sounds from the Vox AC30.
  • Classical British rock, modern rock, Beatles to U2 have used this amp sound.
  • Distortion is warm and natural, with subtlety in mind.
  • 6 controls for shaping EQ and overdrive response: Low, Mid, High, Level, Voice, and Drive.
  • Quality components, true bypass design.

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Keeley True-Bypass Looper and Switcher Guitar Effects Pedal
Keeley True-Bypass Looper and Switcher Guitar Effects Pedal
Sale Price: $99.00
  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 DT-1 Chromatic Guitar Pedal Tuner True Bypass
Donner DT-1 Chromatic Guitar Pedal Tuner True Bypass
List Price: $35.87
Sale Price: $25.99
You save: $9.88 (28%)
  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

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Donner Blues Drive Classical Electronic Vintage Overdrive Effect Pedal True Bypass Warm/Hot Modes
Donner Blues Drive Classical Electronic Vintage Overdrive Effect Pedal True Bypass Warm/Hot Modes
List Price: $42.77
Sale Price: $30.99
You save: $11.78 (28%)
  Eligible for free shipping!

Features

  • Two models: Reproducing the classical electronic overdrive with plump, warm and sweet effect; Enlarging the output to get the tightened electromagnetical sound
  • The whole item is made of aluminum alloy. Classic, stable and strong
  • True bypass provides transparent tone
  • LED indicator shows the working state
  • Small, light weight and exquisite. Size: 9.5*4.8*4.4mm

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