The device in the image is a Radel Dhruva Nano Zx, an electronic digital shruti box (also known as a sur-peti) used primarily for providing a drone accompaniment in Indian classical music.
Key Features
4-in-1 Functionality: It serves as a harmonium-type drone, a tuner/pitch-pipe with a digital display, a metronome, and includes a built-in Perfect Pitch sruti training game.
Tuning Capabilities: It features auto-tuning of primary notes (SA-PA-SA / SA-MA-SA) and allows for fine-tuning of pitch over one octave.
Memory & Scale: The device includes a dual scale system (Chromatic and Diatonic) and automatically saves the selected pitch into memory.
Portable Design: It is a palm-sized instrument weighing approximately 0.5kg.
Power: It uses a universal voltage SMPS (90V to 260V AC) and features an automatic switchover to battery power (using 6 'AA' batteries) in case of power failure.
Usage Controls
Based on the front panel:
Pitch/Tempo: Buttons on the left to adjust the frequency and speed.
Mode: Central button to select between tuning modes like SA-PA-SA or SA-MA-SA.
Volume/Mute: Buttons on the right for audio control.
Game/Metronome: A dedicated button at the bottom to start/stop the metronome or the training game.
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Simple Music & Entertainment (Pvt) Ltd., trading as Simple Music, is a pioneering Sri Lankan company established in 2008. With nearly 17 years of dedicated service, we have grown into a leading provider of premium musical instruments, professional audio equipment, and studio services.
Our commitment goes beyond sales; we aim to foster a vibrant music culture across Sri Lanka by empowering musicians, educators, institutions, and creators with superior products and expert support.
We believe music is a universal language that unites communities, nurtures creativity, and enriches lives. Our extensive experience and customer-centric approach have made us a trusted name in the music and entertainment industry.
