TC Electronic PolyTune 3 Polyphonic Tuner Pedal, (Used)

The TC Electronic PolyTune 3 is a highly accurate, versatile guitar and bass tuner pedal that combines innovative polyphonic tuning technology with a built-in BONAFIDE BUFFER, ultra-bright LED display and multiple professional tuning modes.

Designed for musicians who demand fast, reliable tuning on stage, in the studio and during rehearsals, the PolyTune 3 provides an exceptionally convenient way to keep your instrument sounding its best.

Its standout feature is PolyTune technology, which allows players to strum all their strings simultaneously and immediately identify which strings require adjustment. This makes tuning quicker and more convenient than checking every string individually.

The pedal also offers traditional chromatic tuning and a highly accurate strobe mode, making it suitable for everything from everyday guitar tuning to precise instrument setup.

The integrated BONAFIDE BUFFER helps preserve signal quality when using long cables or complex pedalboard configurations. Players can switch between True Bypass and Buffered Bypass, with an additional Always On option for continuous tuning monitoring.

An ultra-bright LED display with automatic brightness adjustment ensures excellent visibility in different lighting conditions, whether performing under stage lights or playing outdoors.

The PolyTune 3 supports standard and alternative tunings, including Drop D, and offers adjustable reference pitch settings.

Its compact enclosure makes it easy to incorporate into a pedalboard, while the familiar footswitch provides convenient silent tuning.

This particular TC Electronic PolyTune 3 is presented in Good Pre-Owned Condition, showing cosmetic wear consistent with previous ownership.

It comes complete with its original box, although no power supply is included.

For guitarists and bassists seeking a reliable, accurate and versatile tuner with additional signal-buffering benefits, the TC Electronic PolyTune 3 remains an outstanding choice.

At A Glance

Detail	Information
Brand	TC Electronic
Model	PolyTune 3
Product Type	Polyphonic Tuner Pedal
Tuning Modes	Polyphonic, Chromatic & Strobe
Bypass	Switchable True / Buffered
Condition	Good – Pre-Owned
Packaging	Original Box Included
Power Supply	Not Included

Pre-Owned Condition Report

Good Condition

This TC Electronic PolyTune 3 is presented in Good Pre-Owned Condition, indicating noticeable cosmetic wear consistent with previous ownership and use.

The pedal features the familiar white PolyTune enclosure, bright LED display and traditional compact pedal design.

Please study the accompanying product photographs carefully for a closer assessment of its individual cosmetic condition, including the casing, display, footswitch and connections.

Original Box Included

This pedal comes complete with its original TC Electronic box, providing convenient protection for storage and transportation.

Power Supply Not Included

No power supply is included with this TC Electronic PolyTune 3.

The pedal requires a suitable 9V DC, centre-negative power adaptor or a compatible 9V battery.

What's Included

• TC Electronic PolyTune 3 Tuner Pedal

• Original Box

Not Included: Power Supply.

Key Features

• Polyphonic Tuning: Check the tuning of all strings simultaneously with a single strum.

• Chromatic Tuner: Accurate individual string tuning.

• Precision Strobe Mode: Ideal for detailed tuning and instrument setup.

• Built-In BONAFIDE BUFFER: Helps preserve signal quality across long cables and pedalboards.

• Switchable True Bypass: Maintains an unbuffered signal path when preferred.

• Buffered Bypass Mode: Helps reduce signal degradation in larger effects setups.

• Always On Tuning: Monitor tuning continuously when configured for buffered operation.

• Bright 109-LED Display: Clear tuning information in different lighting conditions.

• Automatic Brightness Adjustment: Ambient light sensor optimises display visibility.

• Drop D & Alternative Tunings: Flexible tuning options for different musical styles.

• Adjustable Reference Pitch: Useful for alternative tuning standards.

• Silent Tuning: Footswitch mutes the instrument output during tuning.

• Power Output: Can distribute power to compatible additional pedals when using an appropriate external supply.

• Firmware Update Capability: Mini USB connection for compatible firmware updates.

• Compact Enclosure: Practical for conventional pedalboard layouts.

• Good Pre-Owned Condition: A useful second-hand tuner pedal.

• Original Box Included: Convenient storage and protection.

• No Power Supply Included: Requires a suitable external adaptor or battery.

Why You'll Love It

The TC Electronic PolyTune 3 is more than a conventional guitar tuner. It combines several useful functions into one compact, stage-ready pedal.

Its polyphonic tuning mode makes checking an instrument particularly fast. Rather than playing each string individually, simply strum the strings and the display identifies those that require adjustment.

For more precise tuning, chromatic mode provides a traditional single-note display, while strobe mode offers exceptionally detailed pitch feedback.

The BONAFIDE BUFFER is another major advantage, especially for guitarists using multiple effects pedals or longer cable runs.

Traditional unbuffered signal paths can experience high-frequency loss when connected through extended lengths of cable. The buffer helps maintain clarity and articulation by providing a suitable output for driving the rest of the signal chain.

The ability to switch between True Bypass and Buffered Bypass allows players to choose the configuration that best suits their equipment.

The PolyTune 3 also offers a bright, easy-to-read display, making it particularly practical for live performance.

Detailed Features & Benefits

Innovative Polyphonic Tuning

The PolyTune 3's defining feature is its ability to analyse several strings at once, allowing guitarists and bassists to check their tuning with a single strum. The display identifies which strings are sharp or flat, making it easy to determine where adjustments are needed. This provides a particularly convenient solution during rehearsals and live performances, where tuning quickly between songs can be essential.

Accurate Chromatic Tuning

In addition to its polyphonic functionality, the PolyTune 3 offers conventional chromatic tuning for individual strings and notes. The pedal automatically changes between polyphonic and chromatic operation according to the incoming signal, helping provide a straightforward tuning experience. This mode is particularly useful for precise single-string adjustments, alternative tunings and conventional everyday tuning.

Ultra-Precise Strobe Mode

The PolyTune 3 includes a dedicated strobe tuning mode designed for musicians who need particularly accurate pitch adjustment. Its detailed display provides sensitive feedback, allowing fine tuning for recording, instrument maintenance and demanding performance situations. Strobe tuning is especially valuable when small pitch differences need to be identified and corrected.

Built-In BONAFIDE BUFFER

The integrated BONAFIDE BUFFER is one of the PolyTune 3's most useful additional features. It is designed to preserve the integrity of the guitar or bass signal when travelling through long cables and complex pedalboard arrangements. By providing a suitable buffered output, it can help maintain high-frequency clarity and reduce signal loss, making the pedal especially attractive to musicians who use several effects.

Selectable True Bypass & Buffered Bypass

Unlike tuners that offer only one bypass configuration, the PolyTune 3 allows players to select between True Bypass and Buffered Bypass using internal switches. True Bypass provides a direct signal path when the pedal is disengaged, while Buffered Bypass allows the BONAFIDE BUFFER to remain active. This flexibility makes it easier to integrate the pedal into different rigs according to the musician's preferences.

Always On Tuning Mode

When configured for Buffered Bypass Display Always On, the PolyTune 3 can continuously display tuning information while the instrument signal continues through the pedal. This allows musicians to monitor pitch without necessarily muting their sound, which can be particularly useful for instruments that require regular tuning attention during a performance.

Ultra-Bright LED Display

The PolyTune 3 features an exceptionally bright 109-LED display designed to remain clearly visible under different lighting conditions. Its ambient light sensor automatically adjusts display brightness, helping maintain readability in bright environments while avoiding unnecessary intensity in darker settings. This makes the pedal especially practical for live performance.

Drop D & Alternative Tunings

The pedal supports a range of tuning configurations beyond conventional standard tuning, including Drop D and lowered tunings. It also provides settings for instruments played with a capo, helping make it useful across different musical styles and performance requirements. This flexibility is particularly attractive for guitarists who frequently change between standard and alternative tunings.

Adjustable Pitch Reference

The PolyTune 3 allows adjustment of its reference pitch, providing flexibility for musicians performing with alternative tuning standards or instruments that are not set to conventional A440 tuning. The selected preferences are stored, helping avoid repeated configuration whenever the pedal is powered on.

Silent Onstage Tuning

The pedal's footswitch allows players to mute their instrument output and tune silently. This is particularly useful during performances, rehearsals and recording sessions, where unwanted tuning sounds could interrupt the music. The familiar compact pedal format makes operation straightforward, even during live performances.

Power Distribution Capability

The PolyTune 3 features a DC power output that can be used to distribute power to other compatible pedals when the tuner itself is powered by an appropriate external adaptor. This can be useful for compact pedalboard setups, although the total power requirements and compatibility of connected pedals must be considered carefully.

Compact Pedalboard-Friendly Design

The PolyTune 3 uses a compact enclosure that fits conveniently into most guitar and bass effects setups. Its straightforward input and output connections make integration simple, while the sturdy footswitch design provides practical operation for regular use. The combination of accurate tuning and signal buffering makes it a particularly useful pedal to position near the beginning of a signal chain.

Who Is It For?

Live Guitarists: Fast polyphonic tuning and an easy-to-read display make it ideal for stage use.

Bass Players: Accurate tuning and buffering benefits for compatible bass setups.

Pedalboard Users: The BONAFIDE BUFFER helps maintain signal quality through larger effects chains.

Recording Musicians: Precise strobe tuning is particularly useful for studio work.

Acoustic Guitarists: Suitable for amplified acoustic instruments with appropriate output connections.

Musicians Using Alternative Tunings: Drop D, lowered tuning and capo support provide additional flexibility.

Playing Styles & Applications

The TC Electronic PolyTune 3 is suitable for virtually every style of amplified guitar and bass playing.

Its tuning functionality is equally useful for rock, blues, metal, jazz, funk, country, pop and acoustic music.

For live performance, the polyphonic mode allows quick tuning checks between songs, while the footswitch provides silent operation.

For recording, the strobe tuner offers highly accurate pitch adjustment.

The BONAFIDE BUFFER is particularly beneficial for pedalboards using multiple effects, helping maintain consistent signal quality.

How It Compares

TC Electronic PolyTune 3 vs PolyTune 2

The PolyTune 3 builds upon the earlier PolyTune 2 with the addition of the integrated BONAFIDE BUFFER and Always On functionality.

Both offer accurate polyphonic tuning, but the PolyTune 3 provides greater flexibility for musicians who need signal buffering as part of their pedalboard setup.

TC Electronic PolyTune 3 vs BOSS TU-3

The BOSS TU-3 is a widely respected compact tuner offering reliable chromatic tuning and buffered bypass.

The PolyTune 3 adds polyphonic tuning, allowing several strings to be checked simultaneously, alongside switchable True Bypass and Buffered Bypass operation.

Both are practical stage tuners, with the choice depending on the player's preferred display, tuning functionality and signal-chain requirements.

TC Electronic PolyTune 3 vs PolyTune 3 Mini

The PolyTune 3 Mini offers similar core tuning technology in a smaller enclosure.

The full-size PolyTune 3 provides a larger physical format and the flexibility of 9V battery operation, making it particularly attractive to players who prefer a conventional pedal footprint.

Technical Specifications

Specification	Details
Product Type	Guitar & Bass Tuner Pedal
Brand	TC Electronic
Model	PolyTune 3
Tuning Modes	Polyphonic, Chromatic, Strobe
Strobe Accuracy	Up to ±0.02 Cent
Chromatic Accuracy	±0.5 Cent
Buffer	Integrated BONAFIDE BUFFER
Bypass Modes	True Bypass, Buffered, Buffered Always On
Display	109-LED Display
Brightness	Automatic Ambient Light Adjustment
Tuning Options	Standard, Drop D, Lowered Tunings, Capo
Input	¼" Mono Jack
Output	¼" Mono Jack
Input Impedance	1 MΩ
Output Impedance	100 Ω
Power Input	9V DC, Centre Negative
Battery Operation	9V Battery
USB	Mini USB for Firmware Updates
Width	72mm
Depth	122mm
Height	50mm
Condition	Good – Pre-Owned
Packaging	Original Box Included
Power Supply	Not Included

Power Requirements

The TC Electronic PolyTune 3 requires a suitable 9V DC, centre-negative power supply with a standard 2.1mm barrel connector.

A regulated power supply providing at least 100mA is recommended. When using the pedal's power-through output to supply other effects, the external supply must provide sufficient additional current.

Alternatively, the PolyTune 3 can operate using a 9V battery.

Please note: No power supply is included.

Fair Deal Music Expert Verdict

The TC Electronic PolyTune 3 is an excellent choice for musicians looking for a reliable and highly accurate tuner that also provides practical benefits for their overall signal chain.

Its ability to tune multiple strings simultaneously makes it particularly convenient for live performance, while the dedicated strobe mode offers excellent precision for recording and detailed tuning.

The integrated BONAFIDE BUFFER is a significant advantage for pedalboard users, helping maintain clarity when using long cables or multiple effects pedals.

This particular example is presented in Good Pre-Owned Condition and comes complete with its original box, although no power supply is included.

Best Suited For: Guitarists, bassists, live performers, studio musicians and pedalboard users.

Customers Usually Upgrade From: Clip-on tuners, basic chromatic pedals and older standalone tuning units.

Most Commonly Paired With: Overdrive pedals, distortion pedals, modulation effects, delay, reverb and multi-pedal setups.

Our Tip: If you're using a large pedalboard, experiment with the BONAFIDE BUFFER to determine whether it improves clarity through your signal chain. For smaller setups, True Bypass remains available.

Showroom Advice: The PolyTune 3 combines accurate tuning and practical signal buffering in one pedal, making it particularly useful for musicians assembling a reliable live pedalboard.

Why Buy Pre-Owned From Fair Deal Music?

Buying a pre-owned TC Electronic PolyTune 3 from Fair Deal Music offers an opportunity to add a versatile tuner to your setup at an attractive alternative to purchasing new.

Our experienced team understands the importance of accurate condition grading, clear technical information and transparent descriptions of included accessories.

This particular pedal is presented in Good Pre-Owned Condition, includes its original box and is supplied without a power supply.

Warranty, Returns & Delivery

This is a pre-owned tuner pedal, with its condition and confirmed accessories detailed above.

Applicable warranty and returns arrangements are governed by Fair Deal Music's current terms, with available UK delivery and showroom collection options provided at checkout.

Why Buy From Fair Deal Music?

When you buy from Fair Deal Music, you're choosing one of the UK's most established, independent family run music retailers since 1987.

Based in Birmingham, Fair Deal Music specialises in new, used, vintage and collectable guitars, basses, amplifiers, effects pedals, keyboards and professional audio equipment.

Our experienced team of musicians provides knowledgeable advice and personal service, helping customers find equipment suited to their playing styles and requirements.

Customers benefit from competitive pricing, UK delivery options, our Birmingham showroom and part-exchange services.

Part Exchange – Trade In. Trade Up. Save More.

Fair Deal Music buys and part-exchanges a wide range of musical equipment, including effects pedals, electric guitars, acoustic guitars, basses, amplifiers and keyboards.

Your existing gear could help towards the cost of this TC Electronic PolyTune 3.

Frequently Asked Questions

What condition is this TC Electronic PolyTune 3 in?

It is presented in Good Pre-Owned Condition, indicating noticeable cosmetic wear consistent with previous ownership.

Does it come with the original box?

Yes. The original box is included.

Does it come with a power supply?

No. A power supply is not included.

What power supply does the PolyTune 3 require?

A regulated 9V DC, centre-negative power supply with the appropriate barrel connector and sufficient current capacity.

Can it run on a battery?

Yes. It can operate using a 9V battery.

What is polyphonic tuning?

Polyphonic tuning allows several strings to be checked simultaneously by strumming the instrument.

Can it tune one string at a time?

Yes. The PolyTune 3 includes a conventional chromatic tuner.

Does it have a strobe tuner?

Yes. It features a highly accurate strobe tuning mode.

What is the BONAFIDE BUFFER?

It is TC Electronic's integrated signal buffer, designed to help maintain clarity through long cable runs and complex pedalboards.

Is the PolyTune 3 True Bypass?

Yes. It supports switchable True Bypass and Buffered Bypass operation.

Can the display remain on while playing?

Yes. The Buffered Bypass Display Always On mode allows continuous tuning monitoring.

Is it suitable for bass guitar?

Yes. The PolyTune 3 supports guitar and bass tuning.

Can it be used with acoustic guitars?

Yes, provided the instrument has a suitable electrical output.

Can it tune Drop D?

Yes. The pedal supports Drop D and other lowered tuning configurations.

Does it support capo tuning?

Yes. It includes settings for capo positions.

Does the display adjust automatically?

Yes. An ambient light sensor automatically adjusts the display brightness.

Can it power other pedals?

It provides a power output that can distribute power to compatible pedals when supplied with an appropriate external adaptor.

Does it have a USB connection?

Yes. A Mini USB connection is provided for firmware updates.

Is it suitable for a pedalboard?

Yes. Its compact enclosure and selectable bypass configuration make it particularly practical for pedalboard setups.

Can I part-exchange another pedal towards this PolyTune 3?

Yes. Fair Deal Music considers selected musical equipment for part exchange.