Description

Ultra-high-precision clip-type tuner now featured with a longer life span.
The "Custom Shop" series exemplifies the high quality KORG tuners is known for. As its latest addition, we introduce a top-level model tuner that can be attached directly to the head of your guitar/bass.

The Sledgehammer Custom 100 provides an amazing battery life of approximately 100 hours using only one AAA battery. The easy-to-use shuttle switch is now equipped with an illuminated shuttle light for even better visibility. In addition to a 3D visual meter, you can also use professional ultra-high precision tuning with an accuracy of ±0.1 cents. It's the ultimate high-spec clip-type tuner.

- Part of KORG's "Custom Shop" series, a mark of ultimate quality
- Amazing battery life of approximately 100 hours
- New type of illuminated shuttle switch
- 3D visual meter creates a revolutionary visual effect
- Ultra-high tuning accuracy of +/- 0.1 cents
- Three meter display modes
- A clip mechanism that provides strong holding power as well as flexibility
- Calibration, auto power-off, and memory backup functions
- Lineup includes limited-edition color variation models

Amazing 100-hour battery life
The Sledgehammer Custom 100 features a newly improved design that takes advantage of its distinctive cylindrical body. By using a single AAA battery, it allows approximately 100 hours of continuous operation. This long-life design provides seven times the operating time of the previous model, and is also extremely economical. A tuner is an indispensable companion for an instrument, and this unit will be a reliable partner for any musician's daily practice or performance.

New illuminated shuttle switch
A major feature of the Sledgehammer is the shuttle switch that can be easily operated with a single hand. just as if you were turning a tuning peg of your instrument while playing a string. This shuttle switch undergoes a further evolution on the Sledgehammer Custom 100, adding a cool illuminated shuttle light to ensure good visibility even on a dark stage. Improved design also enhances the durability and feel of the clip.

3D visual meter creates a revolutionary visual effect
The 3D visual meter exemplifies the Custom Shop series. A large and easily visible note name indication and the distinct movement of brightly illuminated LEDs make the pitch difference and change instantly recognizable. This new 3D visual meter makes it simple to tune with a precision of ±0.1 cent.

Ultra-high tuning accuracy of +/- 0.1 cents
Designed with the professional user in mind, KORG's Sledgehammer Custom 100 offers extremely accurate tuning with a detection range of +/- 0.1 cents, a level of precision that is uncommon of clip-on tuners.

Three meter display modes
Choose from three meter display modes to suit your playing style. In addition to the standard "Regular mode," you can use "Strobe mode" or "Half-strobe mode" in which the direction and speed of meter movement indicate the pitch change for easy visualization of even minute differences.

A clip mechanism that provides strong holding power as well as flexibility
The clip is designed to make the connection with your instrument as efficient as possible, ensuring a firm grasp. The Sledgehammer Custom 100 firmly adheres to a variety of guitar and bass headstocks and double mechanism of a movable arm and ball joint simultaneously provide both durability and free range of angle settings. Players have the flexibility to position the tuner wherever they need.

Calibration, auto power-off, and memory backup functions
A variety of functions are available to support your various tuning endeavors: the calibration function allows for a variety of concert tunings, the auto power-off function, and the memory backup function.

FREQUENTLY ASKED QUESTIONS 

1. What makes the KORG Sledgehammer Custom 100 unique?

• The Sledgehammer Custom 100 is renowned for its ultra-high precision tuning with an accuracy of ±0.1 cents, making it ideal for both professional and beginner musicians. Its strobe and regular display modes allow for quick and precise tuning, while its 100-hour battery life ensures long-lasting use without frequent battery changes. The custom design ensures it clips securely onto guitar and bass headstocks.

2. How do I turn on/off the KORG Sledgehammer Custom 100?

• To turn the tuner on, press the power button located on the side of the device. To turn it off, press the same button again. The tuner also features an auto-off function that turns off the device after a period of inactivity to conserve battery.

3. How do I attach the Sledgehammer Custom 100 to my instrument?

• Simply clip the Sledgehammer Custom 100 onto your guitar or bass’s headstock. The clamp is strong but flexible, allowing it to stay securely attached while also preventing any damage or scratches to your instrument.

4. What tuning modes does the Sledgehammer Custom 100 offer?

• The Sledgehammer Custom 100 supports tuning for both guitar and bass instruments. It has three different display modes:

• Regular mode: Standard needle-like display.

• Strobe mode: A moving LED display that indicates how sharp or flat the note is.

• Half-strobe mode: For more fine-tuned accuracy.

Each mode provides varying levels of feedback depending on your preference and the precision required.

5. How do I switch between tuning modes?

• You can switch between the tuning modes by pressing the mode button on the tuner. This button will cycle through the regular, strobe, and half-strobe modes. The mode selected will be shown on the LED display.

6. How accurate is the KORG Sledgehammer Custom 100?

• The Sledgehammer Custom 100 offers an ultra-high precision accuracy of ±0.1 cents, one of the highest accuracies available in clip-on tuners. This makes it ideal for professional use where precision is critical.

7. Does the KORG Sledgehammer Custom 100 support flat tuning?

• Yes, the tuner supports flat tuning up to 5 semitones below standard pitch. This is especially useful for players who use drop tunings or prefer lower pitch ranges for certain musical genres.

8. How do I replace the battery in the KORG Sledgehammer Custom 100?

• The Sledgehammer Custom 100 uses a CR2032 lithium coin battery. To replace it:

• Open the battery compartment located on the back of the tuner.

• Remove the old battery and insert the new one, ensuring the positive side is facing up.

• Close the battery compartment securely.

This tuner boasts an impressive 100-hour battery life under normal use, meaning you won’t need to replace the battery often.

9. Does the KORG Sledgehammer Custom 100 work well in noisy environments?

• Yes, the Sledgehammer Custom 100 is designed to function optimally in both quiet and noisy environments. It picks up vibrations directly from your instrument, which means ambient noise won’t interfere with the tuner’s accuracy.

10. How do I know when my instrument is in tune?

• The LED display will indicate when your instrument is in tune. In regular mode, the needle will align to the center. In strobe mode, the strobe motion will stop moving when the correct pitch is reached. A green indicator light will also confirm that the pitch is accurate.

11. Can the Sledgehammer Custom 100 be used with instruments other than guitar or bass?

• While the Sledgehammer Custom 100 is optimized for guitar and bass, it can also be used with any instrument that vibrates similarly to a guitar or bass when clipped onto the instrument’s headstock.

12. What is the best position to place the tuner on my instrument?

• For optimal performance, clip the tuner to the headstock of your guitar or bass. This allows the tuner to detect the vibrations of the instrument effectively and display accurate tuning.

13. Can I calibrate the reference pitch on the Sledgehammer Custom 100?

• Yes, you can adjust the reference pitch on the tuner. The default is A4 = 440Hz, but you can change the calibration anywhere from 436Hz to 445Hz. To do this, press the calibration button, then use the up and down buttons to adjust the pitch in increments of 1Hz.

14. Is the display visible in low light or outdoor settings?

• The Sledgehammer Custom 100 features a bright LED display, making it easy to read in both low light environments and outdoor settings. The backlit display ensures clarity, even in bright sunlight or dimly lit venues.

15. Can I use the KORG Sledgehammer Custom 100 for live performances?

• Absolutely. With its high precision, clear display, and vibration-based tuning, it is a reliable tuner for live performances. Its durable design ensures it can withstand the rigors of live playing.

16. What do I do if the tuner isn't working properly?

• If the tuner isn’t responding:

• Check if the battery is installed correctly or needs to be replaced.

• Ensure the clip is properly attached to your instrument’s headstock.

• Make sure the instrument’s string is vibrating when plucked, as the tuner relies on vibrations to detect the note.

• If none of these solve the issue, consider contacting KORG support for further assistance.

17. Is the KORG Sledgehammer Custom 100 durable?

• Yes, the Sledgehammer Custom 100 is built with robust materials designed to withstand regular use. It’s equipped with a sturdy clip that ensures it stays securely attached to your instrument, and its compact design is resistant to bumps and minor drops.

Specifications

• Scale: 12 note equal temperament
• Range (sine wave): A0 (27.50 Hz) - C8 (4186 Hz)
• Reference Pith: A4 = 436 - 445 Hz (1 Hz steps)
• Precision: +/- 0.1 cent (Strobe meter)
• Display Modes: Regular, Strobe, Half-strobe
• Power Supply: AAA battery x 1
• Battery Life: Approximately 100 hours (tuner continuously operating, A4 input, when using alkaline battery)
• Included Items: One AAA battery for checking operation

*All product, company, and standard names are trademarks or registered trademarks of their respective holders.
*Appearance and specifications of products are subject to change without notice.
 

Size & Weight

• 64 x 49 x 66 mm / 2.52" x 1.93" x 2.60"
• 37 g / 1.31 oz. (including battery)