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The Sledgehammer from Korg is a clip-on guitar and bass tuner that attaches directly to your instrument for convenient tuning. The Sledgehammer provides precise tuning, and the high-brightness, high-contrast color LCD display ensures clear visibility whether you're playing at home or onstage. Features: Rotatable shuttle switch Color LCD meter provides visibility Dedicated guitar/bass modes and flat/capo settings Over-winding warning for the first string, ideal for beginners A clip mechanism that provides strong holding power as well as flexibility Calibration, auto power-off, and memory backup function
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Main features
A compact and unique high-performance chromatic tuner.
Bright LEDs are used to display three types of tuning modes.
A wide detection range of A0--C8 (88 notes).
Calibration range of 410Hz-480Hz can be adjusted to support various concert pitches.
Built-in condenser mic lets you tune acoustic instruments.
Designed for low power consumption.
Tuning comes full circle
The DT-4 is a unique style of chromatic tuner in which LEDs around its circumference indicate how close the input pitch is to the note name displayed in the center. In spite of its compact size (fits in the palm of your hand), the illuminated circumference and large note name display provide excellent visibility, allowing high-precision tuning over a range of A0 (27.50 Hz)--C8 (4186.01 Hz). The adjustable calibration lets you specify the reference pitch in a range of 410 Hz--480 Hz (1 Hz steps). Its design emphasizes comfort and ease of use, with function-selecting switches placed for quick and easy access.
Three new tuning modes
The DT-4 illuminates the green LEDs around its circumference in one of three tuning modes: Strobe, Mirror, or Meter. There are also triangular red tuning guides that indicate whether the input is sharp or flat, helping you tune your instrument more precisely.
Strobe mode
The green LEDs will stop moving when your instrument is in tune. The LEDs will move in a clockwise direction if the pitch of your instrument is sharp, or counter-clockwise if it is flat. When the tuning is correct, the two tuning guides will also light simultaneously.
Mirror mode
Mirror mode is a new concept of tuning found only in the DT-4. When the two green LED�s at the lower left and right coincide, you're perfectly tuned. The bright green LED will move to the right of center if the input pitch is sharp, or to the left if it is flat. The distance between the bright green and dim green LED�s indicate the distance to perfect tuning.
Meter mode
Tune your instrument so that the bright green LED is aligned with the red tuning guide in the center as on a conventional needle type tuner.
Designed for easy operation and low power consumption
The DT-4 is designed for easy operation, with switches located for effortless operation when held in the palm of your hand.
In Strobe mode if approximately thirty seconds have elapsed without any input sound, the rotating red LED�s will go dark. If approximately ten minutes have elapsed with no audio input while powered-on, the DT-4 will automatically turn off to prevent unnecessary battery consumption.
| Tuning: | | | 12-note equal temperament
| | | Detection Range: | | | A0 (27.50 Hz) to C8 (4186.01 Hz)
| | | Auto Tuning Modes: | | | Strobe Mode; Mirror Mode; Meter Mode
| | | Calibration Range: | | | A4 = 410 Hz to 480 Hz (1 Hz step)
| | | Detection Accuracy: | | | Better than ±1 cent
| | | Connections: | | | INPUT (1/4“)
| | | Power Supply: | | | Two AAA batteries (3V)
| | | Battery Life: | | | Approximately 18 hours (when using alkaline batteries, Strobe mode on, and A4 continuous input)
| | | Dimensions: | | | 2.40“(W) x 2.56“(D) x 0.87“(H)
| | | Weight: | | | 2.36 oz. (including batteries)
| | | Included Items: | | | Two AAA batteries |
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TU-3: Chromatic Tuner
The New World-Standard Tuner Has Arrived Features
The worldʼs top-selling stage tuner, the BOSS TU-2, evolves and improves with the debut of the new TU-3. Housed in a tank-tough BOSS stompbox body, the TU-3 features a smooth 21-segment LED meter with a High-Brightness mode that cuts through the harshest outdoor glare. Choose between Chromatic or Guitar/Bass tuning modes, and enjoy visual pinpoint tuning verification with the Accu-Pitch Sign function. The TU-3 incorporates a convenient Note Name Indicator that can display notes of 7-string guitars and 6-string basses, while the Flat-Tuning mode can support up to six half-steps. Itʼs the new-standard tuner that no guitarist or bass player should be without!
- 21-segment LED meter with brightness control
- High-Brightness mode enhances meter visibility outdoors
- Accurate to +/- one cent
- Accu-Pitch Sign function provides visual verification when tuning is complete
- Chromatic and Guitar/Bass mode (tune by string number, with support for 7-string guitars and 6-string basses)
- Flat tuning is supported with Guitar Flat mode, which allows for "drop” tunings up to six semitones below standard pitch
- Tuner automatically mutes when the tuner is on
- Supplies power for up to seven BOSS compact effect pedals (with optional PCS-20A Cable)
Tuning RangeC0 (16.35Hz)–C8 (4186Hz)Reference PitchA4=436–445 Hz (1Hz step)Tuning Accuracy±1 centPower SupplyDC 9 V: Dry battery 6F22 (9 V) type (carbon), Dry battery 6LR61 (9 V) type (alkaline), AC Adaptor (PSA series: optional)Current Draw30 mA (DC 9 V), 85 mA (DC 9 V, when High Brightness mode is on)AccessoriesOwnerʼs Manual, Leaflet (“USING THE UNIT SAFELY,” "IMPORTANT NOTES,” and "Information”), Dry battery/9 V type (6F22)OptionsAC adaptor: PSA series, Parallel DC cord: PCS-20ASize and WeightWidth73 mm
2-7/8 inchesDepth129 mm
5-1/8 inchesHeight59 mm
2-3/8 inchesWeight390 g
0 lbs. 14 oz.
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The Sledgehammer series is a new lineup of guitar/bass tuners that joins KORG's family of clip-on tuners. These tuners can be attached directly to your instrument for convenient tuning. The Sledgehammer Pro provides ultra-precise tuning with an accuracy of +/- 0.1 cents, making it one of the most reliable clip-on tuners ever produced! The beautiful three dimensional display offers unparalleled visibility, allowing you to tune confidently in any situation. Its tubular body has a shuttle switch that's simple to use and allows you to easily operate the tuner with just one hand, even while performing. Offering both extreme accuracy and a unique, highly visible display, the Sledgehammer Pro is the ideal clip-on tuner for professional guitarists and bassists.
| With superior features like a large, easy-to-see, LCD needle-style display, the GA-40 dedicated Guitar/Bass Tuner is a great value!
• A compact tuner designed specifically for guitar and bass, with excellent performance and convenient functionality.
• Large, high-precision meter-type display for stable tuning indication.
• Quinta-Flat Tuning mode allows dropped tunings from one to five semitones.
• Supports tuning of seven-string guitars and six-string basses.
• Sound Out function lets you produce a reference tone from the internal speaker.
• Bypass function.
• Auto Power Off function saves the battery even if you forget to turn off the tuner.
• Memory Backup function.
• Approximately 85 hours of continuous use.
Dedicated guitar and bass tuner with large LCD for easy viewing
The GA-40 is a dedicated, easy-to-operate guitar/bass tuner with automatic pitch detection. In Guitar mode it supports seven-string guitars (7B through 1E), and in Bass mode it supports six-string basses (Low-B and Hi-C). With the precision you expect from KORG, the GA-40 indicates the pitch quickly and accurately. The LCD needle-style display provides both the accuracy of an LCD as well as the easy viewing of a needle indicator, and the display has been enlarged for even better visibility. You can also use the built-in high-sensitivity microphone to tune an acoustic guitar.
Sound Out function produces a reference tone from the internal speaker
In addition to letting you tune visually using the meter, the GA-40 provides a Sound Out function that plays a reference tone through the internal speaker, letting you tune by ear. Each time you press the Sound switch, the tone will cycle through 7B→6E→5A→4D→3G→2B→1E in Guitar mode, or through LB→4E→3A→2D→1G→HC in Bass mode.
Quinta Flat Tuning mode
To support the dropped tunings used in heavy metal styles to produce a powerfully massive sound, the GA-40 provides a Quinta Flat Tuning mode that lets you detect dropped tunings of one through five semitones. This lets you tune super-long scale guitars that extend below the pitch range of conventional guitars.
Conveniently thin and compact
The GA-40 gives you convenient guitar and bass tuning functionality in a pocket-sized package, making it easy to tune whether you're on stage or in the studio. An output jack (bypass) has been added, making it easy to check the tuning even while you're performing.
The stand on the back lets you place the tuner on any surface.
Auto Power Off function
The Auto Power Off function automatically turns the power off after the unit has been left on for twenty minutes, preventing the batteries from running down needlessly.
Approximately 85 hours of continuous use
The GA-40 is designed for long battery life, and allows approximately 85 hours of continuous use (continuous A4 input, Meter mode, zinc-carbon batteries). |
Tunes up to 5 semitones flat and supports baritone 7-string and dropped tunings. It has a precision LCD needle meter auto power off function and a built-in mic for tuning acoustic guitars.
- Compact sturdy modern design
- Precision LCD needle meter with easy to see sharp/flat (red) and in-tune (green) LEDs above the LCD display
- Supports 7-string baritone and 6-string guitars plus 4- 5- and 6-string basses
- Tunes down to five (5) semitones flat
- Built-in mic for tuning acoustic instruments
- Can generate reference tones for tuning by ear
- Tilt-back slot allows you to tilt the tuner using a card
- Batteries (2xAAA) are supplied
- Attractive clamshell packaging featuring iconic Marshall stack
- The MT-1 boasts the legendary Marshall script logo
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