NTi XL2-TA Receives Type Approval

The XL2-TA sound level meter has received Class 1 type-approval from the Physikalisch-Technische Bundesanstalt (PTB) in Germany. The XL2-TA in combination with the M2230 measurement microphone, is officially listed as a type-approved Class 1 sound level meter. The XL2-TA is …

Dr. Amar Bose (1929-2013) Amar Gopal Bose (Amar Gopal Boshu) died recently at his home in Wayland, MA. He was born November 2, 1929, and became the chairman and founder of Bose Corp. (see Photo 1). An American electrical engineer …