A solid diamond needle with a Shibata sharpening is installed in the head (radii 6.5 x 40 microns), the needle holder is made of aluminum. The sensitivity of the head is 0.3 V, the internal resistance of the coil is 5.5 ohms, the manufacturer recommends selecting the hearing load from values above 55 ohms. The coils are wound with high⁻purity copper wire, the pliability of the needle holder suspension at a frequency of 100 Hz is 12×10-⁶ cm/din. The cartridge weighs 7.3 grams.