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.

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
Sale Price: $9.99
 

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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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.

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
Sale Price: $9.99
  Eligible for free shipping!

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.

Reviews

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
  • 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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Donner Dt-1 Chromatic Guitar Tuner Pedal True Bypass
Donner Dt-1 Chromatic Guitar Tuner Pedal True Bypass
List Price: $35.00
Sale Price: $19.99
You save: $15.01 (43%)
  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

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TTONE New Triple Guitar Loop Pedal True Bypass Pedals Board Looper 3 Channel Switcher Buzz Electronics
TTONE New Triple Guitar Loop Pedal True Bypass Pedals Board Looper 3 Channel Switcher Buzz Electronics
Sale Price: $38.50
  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-01 Vintage Overdrive Guitar Effect Pedal with True Bypass
Joyo JF-01 Vintage Overdrive Guitar Effect Pedal with True Bypass
Sale Price: $34.99
  Eligible for free shipping!

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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TTONE DIY 1 Loop Looper Guitar Pedal Effects Loops Switcher True Bypass Mini White
TTONE DIY 1 Loop Looper Guitar Pedal Effects Loops Switcher True Bypass Mini White
Sale Price: $16.95
  Eligible for free shipping!

Features

  • This is an incredibly small true-bypass looper box from Keeley Electronics!
  • This little wonder is only 1.5 inches wide and 3 2/3 inches long.
  • In particular Vintage wahs, echoes, phasers, fuzz face type pedals, or even new effects that might have a weak bypass system.
  • These elderly effects rob tone when they are off. Now you can make them truly bypassed when off with this little box.
  • Route selection, suitable for no direct effect :For example, bass guitar pedals etc.

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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 indicators
  • On-board transformer to eliminate hum & buzz
  • 180° polarity reverse to phase-match amps
  • 100% passive audio path, does not require power
  • Easy to use and set up

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Neewer® Guitar Effect Pedal Super Chorus Effect Pedal True Bypass CP-13
Neewer® Guitar Effect Pedal Super Chorus Effect Pedal True Bypass CP-13
Sale Price: $6.47
  Eligible for free shipping!

Features

  • Small and exquisite appearance
  • it is convenient to carry.^True bypass^Two simple knob can realize the conversion between pure natural chorus and fantastic trill.^Without redundant regulation
  • just the combination of two knobs(Depth and Rate
  • allows you to create fantasy trip of notes.^It is easy to operate
  • suitable for electric guitar.

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Moozikpro Guitar Tuner Pedal - True Bypass - 2 Free Patch Cables Included
Moozikpro Guitar Tuner Pedal - True Bypass - 2 Free Patch Cables Included
Sale Price: $29.73
  Eligible for free shipping!

Features

  • Direct and unaltered signal from your instrument with clear LCD display showing the working state
  • Made of durable and lightweight aluminum-alloy with small footprint to fit on any pedal board
  • Multi-use & auto chromatic suitable for guitar, bass and other instruments (manual included)
  • Adjustable calibration from: 436 to 455Hz(1Hz step) & very accurate tuning: +/- 1 cent
  • 2 Free patch cables included: 10" long, 1/4inch & right angled, perfect for connecting effect pedals

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Andoer Guitar Digital Delay Pedal 600ms Max True Bypass
Andoer Guitar Digital Delay Pedal 600ms Max True Bypass
Sale Price: $25.71
  Eligible for free shipping!

Features

  • Delay Time range: 25ms ~ 600ms.
  • Mix, Repeat, and Time settings.
  • True Bypass design to minimize the tone loss.
  • Full metal case, sturdy stomp switch.Can be connected to a negative center 9-Volt power supply.
  • Can be operated with a 9-Volt Battery (NOT INCLUDED).

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