G.R.A.S. Sound & Vibration Legendary Founder Turns 90

The distinguished acoustic engineer Gunnar Rasmussen, who founded G.R.A.S. Sound & Vibration, celebrated his 90th birthday. Gunnar Rasmussen founded G.R.A.S. Sound & Vibration in 1994, at the age of 67, and continues to inspire with his extraordinary vision and guiding principles for the Danish measurement microphones specialist.