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
List Price: $17.49
Sale Price: $9.99
You save: $7.50 (43%)
 

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
List Price: $17.49
Sale Price: $9.99
You save: $7.50 (43%)
  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 True Bypass Boost Killer Guitar Effect Pedal Rich Distortion Sound
Donner True Bypass Boost Killer Guitar Effect Pedal Rich Distortion Sound
List Price: $44.00
Sale Price: $27.99
You save: $16.01 (36%)
  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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Donner True Bypass Pearl Tremor Pure Analog Phaser Guitar Effect Pedal
Donner True Bypass Pearl Tremor Pure Analog Phaser Guitar Effect Pedal
List Price: $44.00
Sale Price: $27.99
You save: $16.01 (36%)
  Eligible for free shipping!

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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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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ammoon AP-09 Nano Loop Electric Guitar Effect Pedal Looper True Bypass Unlimited Overdubs 10 Minutes Recording with USB Cable
ammoon AP-09 Nano Loop Electric Guitar Effect Pedal Looper True Bypass Unlimited Overdubs 10 Minutes Recording with USB Cable
Sale Price: $38.99
  Eligible for free shipping!

Features

  • Super mini size, made of aluminum alloy, convenient and durable.
  • Record(up to 10min), overdub(ulimited), undo, redo and delete functions.
  • Simple operation, one key to achieve almost all of functions.
  • With one knob for adjusting the output volume.
  • One LED light for showing the working status.

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Donner True Bypass Surge Rotater Reverb Effect Guitar Pedal
Donner True Bypass Surge Rotater Reverb Effect Guitar Pedal
List Price: $77.00
Sale Price: $53.00
You save: $24.00 (31%)
  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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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 Hand made ABY Pedal Guitar Switch Box TRUE BYPASS Amp Guitar's AB/Y
TTONE Hand made ABY Pedal Guitar Switch Box TRUE BYPASS Amp Guitar's AB/Y
List Price: $49.99
Sale Price: $34.75
You save: $15.24 (30%)
  Eligible for free shipping!

Features

  • The ABY footswitch can be used to solve any number of complex audio switching problems.
  • Use it to switch one input signal to either or both outputs, or it can also be used in the opposite direction.
  • Route one signal to two outputs or two inputs to one output.
  • Then choose A, B or A & B combined. LED's show you which signal is active.
  • One 9 volt battery is required for LED indication.(Battery is not including in the package)

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JOYO JF-35 Electric Violao Guitar Distortion Effect Pedal Pocket Metal Drive Mid Tone True Bypass Musical Instrument Parts
JOYO JF-35 Electric Violao Guitar Distortion Effect Pedal Pocket Metal Drive Mid Tone True Bypass Musical Instrument Parts
List Price: $103.98
Sale Price: $28.50
You save: $75.48 (73%)
  Eligible for free shipping!

Features

  • Compact pedal fits into your floor rig
  • Sound really delivers (hear for yourself)
  • Punchy bite and harmonics that shimmer
  • Quality construction; true-bypass wiring

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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: $120.00
Sale Price: $68.00
You save: $52.00 (43%)
  Eligible for free shipping!

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

Reviews



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