RealGong 34" Planet Gong Mars, 32"/81cm, D2 - Mars, Mars: orbital period 1.8809 years; Frequency (Hz): 144.72; Tone difference to the concert pitch A A = 440 Hz in cents: D - 20.1; Octave 40; Color assignment blue; Wavelength (nanometers) 471; Assignment of the chakras & signs of the zodiac: 1./6. Chakra / Aries, harmonious sound behavior, various mixtures of sound by varying the attachment point