A cross-strung, 228-stringed grand piano (12 single strings
and twelve 2-string wound choirs, sixty-four
3-string unwound choirs), 88-keyed (keyboard extent is А of the double contra octave — с of the five-line octave).
3-string unwound choirs), 88-keyed (keyboard extent is А of the double contra octave — с of the five-line octave).
The instrument belonged to Evgeniy Mravinskiy, a famous Russian conductor and pianist.