Brand KBA plant
Type Metronome
Color Black
Item Height 4"
Model РИТМ
Serial number 586 1972
Material Bakelite
Item Length 8"
Suitable For Piano
Item Width 2.7"
Item Weight 2.1 pounds
Vintage Yes

Check the listing for details. Vintage Electronic Metronome RHYTHM Transistor Soviet Russia USSR 1972. Color: Black, Condition: Used. Listed at 31.99 USD. Made in the USSR at the KBA plant (possibly KB Arsenal) in 1972. Frequency range - 36-220 signals per minute with an error of no more than 5%. Current consumption is about 0.03 A. Price in the 70s 20 rubles USSR.

$19.19
$31.99