| Length / | 1050mm | ||
| Length of strings / | 700mm | ||
| Sound board / | German pine | ||
| Back & side / | Rosewood | ||
| Fingerboard / | Ebony | ||
| Neck / | Mahogany, Honduras | ||
| Coating / | Urethane | ||
| Price (ex-tax) / | NB-6 | 60,000 | Yen |
| NB-10 | 100,000 | Yen | |
| NB-15 | 150,000 | Yen | |
| NB-20 | 200,000 | Yen | |
| NB-30 | 300,000 | Yen | |
It is tuned a 4th lower than the prime guitar and 1 octave lower than the alto guitar. It takes an important part with the alto and prime guitar in a guitar orchestra. Its unique sounds remind one of the swell of the ocean, and well suits the music of Bach. Recently, concertos using the bass guitars as a solo instruments have become very popular in concerts. The rich sound with strong dynamic is attractive to the human heart. Many craftsmen are starting to manufacture the bass guitar.
