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Korg KR-55 Pro Drum Machine

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Korg KR-55 Pro Drum Machine

Austin Bazaar is an authorized Korg dealer.

  • 24 built-in drum/percussion styles
  • Each rhythm style includes a rich variety of patterns
  • Use the chain function to create a rhythm structure
  • A rich array of input jacks
  • A high-quality reverb effect and equalizer

  • The ultimate drum sound, anytime and anywhere!

    Numerous rhythm patterns built into a practical interface! The new KR-55 Pro is a multi-function rhythm machine that's also equipped with mixer/recorder functionality.
    Experience the same musical support as if a pro drummer were sitting in on your session. The KR-55 Pro gives you an easy way to enjoy jam sessions with the backing of real drum/percussion sounds. It provides a rich variety of input jacks, mixer functionality, effects, and equalizer, as well as a versatile recorder that can record to an SD card. The intuitive interface means that there's no need for complex programming. Battery-powered operation allows complete mobility from desktop to street performances, or use in a variety of situations including live events in small spaces.

    The KR-55 Pro features "Real Groove Technology" which uses data recorded from actual professional musicians performing at various tempi, and is a completely different technology than conventional rhythm machines. There are a total of 24 high-quality rhythm styles, each fine-tuned to provide the best possible feel, to accurately reproduce the experience of playing with a percussionist. The sounds, grooves, and phrases will play back at pristine quality even if you change the tempo, so you can enjoy playing serious jam sessions at your own pace.

    The KR-55 Pro provides a rich array of input jacks that accommodate a variety of instruments: a guitar or bass can be connected to INPUT 1/2, and the XLR jack accepts a mic input. You can let the KR-55 Pro take care of the rhythm, and enjoy a full-band performance with guitar, bass, and vocals. A reverb effect can be applied to each input source, and TREBLE and BASS equalizer are also provided so that you can shape your sound in detail. The AUX INPUT supports stereo, and can be connected to a digital audio player, a keyboard, or an effect unit that's equipped with stereo output. Together, they allow you to use up to four channels.

    Rhythm Function:

    Rhythm Styles: 24 rhythm styles, two variations for each rhythm style, each variation has three patterns (basic, fill-in 1, fill-in 2), ending
    Tempo: 48-240 bpm
    Rhythm Chain function: 30 banks (up to 999 measures can be registered in each)

    Recorder Function:

    Recording Format: PCM audio WAV format (file name extension .wav), 44.1 kHz, 16-bit
    Recording Time: Depends on the SD card used; approximately 100 minutes per 1 GB
    Maximum Continuous Recording Time: 3 hours
    Number of Songs: Maximum 50
    Number of Multitrack Recordings: Depends on the remaining free capacity of the SD card
    Undo/Redo: Once

    Player Function:

    Playback formats: PCM audio WAV format (file name extension .wav) 44.1 kHz, 16-bit, Stereo
    Maximum Data Size (Time): Depends on the memory card used; approximately 100 minutes per 1 GB (for WAV data)
    Maximum number of data files (number of folders): Up to 99 songs (per folder); a total of eight folders M1-M8 inside the PLAYER folder can be used
    Playlist function: 10 banks (up to 24 songs can be registered in each)

    Mixer Effect Section:

    Effects: Reverb effect
    Equalizer: BASS, TREBLE
    Other: ACOUSTAGE (wide stereo effect)

    Tuner Function:

    Scale: 12-note equal temperament
    Type: Chromatic
    Calibration: 435-445 Hz
    Tuning Guide Tone: Three types (guitar, bass, piano)


    7-segment four-digit LED

    SD Card:

    Usable cards: SDHC card 4 GB-32 GB (recommendation)

    Input Jacks:

    MIC IN Jacks: XLR-3-32 type (balanced), input impedance 4.7k ohm, nominal level -43 dBV
    INPUT 1 Jack, INPUT 2 Jack (guitar, bass): 1/4" (6.3 mm) monaural phone jack (unbalanced), input impedance 1M ohm, nominal level -26 dBV
    AUX INPUT Jack: 1/8" (3.5 mm) stereo mini-phone jack (unbalanced), input impedance 10k ohm, nominal level -17 dBV
    FOOT SW Jack: 1/4" (6.3 mm) stereo phone jack, usable foot switch: VOX VFS5 foot switch

    Output Jacks:

    LINE OUT L/R Jack: 1/4" (6.3 mm) monaural phone jack (unbalanced), maximum Level: 0dBV 30mW 32 ohm
    HEADPHONE Jack: 1/8" (3.5 mm) stereo mini-phone jack, maximum Level: 0dBV 30mW 32 ohm

    Power Supply:

    Power Supply: DC 9V, six AA batteries (alkaline or nickel-metal hydride are supported)
    Battery Life: Approximately 7 hours (when using alkaline batteries or nickel-metal hydride batteries)
    * Varies depending on the batteries used and the conditions of use
    Current Consumption: 330m A

    Dimensions (W x D x H):

    347 x 223 x 68 mm / 13.66" × 8.78" × 2.68"


    1.4 kg / 3.09 lbs. (without batteries)

    Included Items:

    AC adapter (DC 9V)