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.

Click Here To Buy Chromatic Pedal Tuners

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.

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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

Joyo JF-09 Tremolo Guitar Pedal with True Bypass Wiring
Joyo JF-09 Tremolo Guitar Pedal with True Bypass Wiring
Sale Price: $33.99
  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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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%)
  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
  • Package includes: Donner Yellow Fall Delay Pedal and Owner Manual, Power supply(not included)

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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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KLIQ TinyTune Pro Stage Tuner Pedal for Guitar and Bass with True Bypass Switching, Pitch Calibration and Flat Tuning (Power Supply Required)
KLIQ TinyTune Pro Stage Tuner Pedal for Guitar and Bass with True Bypass Switching, Pitch Calibration and Flat Tuning (Power Supply Required)
Sale Price: $39.99
  Eligible for free shipping!

Features

  • FASTER & SMARTER: With a powerful new 32-bit processor, the mini sized TinyTune PS is faster and more accurate than ever before, allowing you to tune up quickly and get back to rocking in seconds.
  • EASY-TO-READ LED DISPLAY: The super bright LEDs on the display provide a high visibility readout in pitch black or in broad daylight. Choose from classic needle meter or strobe style display modes.
  • 100% TRUE BYPASS WITH SILENT TUNING: Thanks to a total bypass circuit, this pedal ensures your pure tone stays intact en route to your amp, while the quiet switch provides solid, noise-free switching.
  • VERSATILE SETTINGS: The chromatic tuner allows for flat tuning up to 7 semitones and A4 calibration from 420-459 Hz. Plus, it remembers your preferred tuning settings, even after it is powered down.
  • BUILT TO LAST: Housed in a sleek, black aluminum metal die-cast body, this micro pedal was built tough to provide years and years of reliable tuning, and carries a full 1-YEAR MANUFACTURER WARRANTY.

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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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TTONE DIY True-bypass Looper Effects Pedal Guitar Effect Pedals Loop Switcher 1 Loop Footswitch Kit
TTONE DIY True-bypass Looper Effects Pedal Guitar Effect Pedals Loop Switcher 1 Loop Footswitch Kit
Sale Price: $17.95
  Eligible for free shipping!

Features

  • NOTE: This is a kit of a electric guitar looper pedal. In order to let buyers experience the fun of assembling, It need you to assemble it by yourselves.If you'e not 100% sure you could make it assembled successfully, please purchase prototypes directly.
  • Making the DIY kits needs basic knowledge of circuit and welding experience, ability to understand circuit diagram and schematic diagram.
  • Beginners might not be 100% successful to make it, please select the DIY kits with reasonable difficulty level based on your own ability.
  • The True-Bypass is a compact single-loop true-bypass box, designed for maximum versatility at the lowest cost.
  • Can provide comprehensive effect instrument aluminum shell from the open mold, die-casting molding, surface punching, surface treatment (including the lacquer that bake, water transfer printing, etc), surface screen printing, can provide effect product ODM/OEM services Welcome to custom!

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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: $40.99
  Eligible for free shipping!

Features

  • Joyo JT-305 Guitar
  • Pedal Tuner True
  • Musical Instruments
  • Please Allow 7-23 Business Days For Delivery
  • Package Contains One Item

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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: $28.99
You save: $7.01 (19%)
  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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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
List Price: $45.99
Sale Price: $43.99
You save: $2.00 (4%)
  Eligible for free shipping!

Features

  • Super mini size, made of aluminum alloy, convenient and durable
  • Record (up to 10min), overdub (unlimited), 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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