kgrharmony Black Box "KUROHAKO" (Black Box Buffer) Buffer [Made by Iwate Prefecture, traditional craft "Nanbu Tekki"]

kgrharmony Black Box “KUROHAKO” (Black Box Buffer) Buffer [Made by Iwate Prefecture, traditional craft “Nanbu Tekki”]

"kgr harmony" is an effects brand that manufactures and sells musical instruments and unique products that stimulate the sensibilities of artists.
The one that stands out from the lineup is this "Nanbu Tekki" effector series.The case uses traditional crafts from Iwate Prefecture and is cast in a historic workshop.Compared to the aluminum casing used for many effectors, it not only looks good, but also has a musical element.You will be able to experience the energy of Japanese tradition through the response to picking and the sound pressure.

“KUROHAKO” (Black Box Buffer) is a palm-sized ultra-compact buffer wrapped in a Nanbu Tekki casing.
Although it is very small, about 5 cm in diameter.The well-heightened housing enhances the instrument signal while adding natural weight to the harmonics.
The simple design has no controls and turns on the moment you plug it in.

A special tool to bring out the best in the tone of your instrument and further enhance the enjoyment of playing.Why not create your own world of music with ``KUROHAKO'', a black box that combines the beautiful case of Nambu ironware with advanced technology?

This is a display item, so it will be a new item at a special price!Don't miss this opportunity!!

Power supply: 2.1mm center negative 9V
Size: Length 45mm / Width 52mm / Height 38mm (maximum)
Weight: approx. 670g
Input impedance: 100kΩ or more
Output impedance: 100Ω or less
Control: None

The KUROHAKO by KGR Harmony is a palm-sized buffer pedal housed in a traditional Nambu Tekki cast-iron enclosure?handcrafted in Iwate, Japan. Despite its ultra-compact footprint (just under 2 inches wide), the enclosure adds a sense of physical and sonic weight, offering enhanced signal strength while preserving natural overtones.

With no knobs or switches, it’s a plug-and-play design?simply connect and enjoy immediate clarity and presence. The robust build and minimalist concept make it a reliable tool to maintain tone through long cable runs or complex pedalboards.

Designed to enhance your instrument’s natural voice, KUROHAKO is more than just a utility?it’s a fusion of traditional craftsmanship and modern engineering.

Power: 9V DC center-negative
Size: 45 × 52 × 38 mm
Weight: Approx. 670g
Input Impedance: ?100kΩ
Output Impedance: ?100Ω
Controls: None (always ON)

Display unit ? offered at a special price! Don’t miss this rare chance to own a one-of-a-kind Japanese-made buffer.

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[Accessories] Box, manual, warranty card
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・As we are also selling at the same time at the store, there may be cases where the item is currently on sale or under negotiation.
・We are unable to accommodate requests for specific product delivery times.
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・If you have any other questions or would like to try out a sample, please use the inquiry form.
Or please contact our email address (mion-gakki@mion.tokyo).
・Our store's business hours are Fridays, Saturdays, and Sundays (11:00-18:30).