Russian VargansDG600 "Magnum" Vargan

DG600 "Magnum" Vargan
Oberton Pro Lab measurements:
Gaps: 10-80 µm (?)
Base frequency: 65-75 Hz (?)
Reed hardness: 150-190 gf (?)
Frame hardness: 200-400 gf (?)
Reed size: 90x15-18 mm
Overall dimensions: 115x30-32x5 mm (?)
Archived model (?)
Heavy, stylish frame, long hard spring, mid-pitched, rich and clean sound. Any rhythmic/striking techniques are allowed - reed is very stable - but trained hand and correct handling is advised for this model.