Dhruva Nano ZX

The Dhruva Nano Zx is a harmonium-type drone sruti box (sur-peti) that is also a Tuner / Sruti Box / Metronome. It produces a drone similar to a harmonium type traditional sruti box (sur-peti). It has a Tuner / Pitch-pipe with Digital Display, Dual scale system: Chromatic / Diatonic.
▶︎ Play Video Manual
⏹ Download Operating Manual

Other Features:-
–  Auto-tuning of SA-PA-SA / SA-MA-SA with LED indication
–  Pitch adjustable over 1 octave and Fine tuning of pitch is available
–  Also has an optional Metronome
–  Automatic switchover to batteries on power failure
–  Automatic saving of selected pitch into memory;