Bruel & Kjaer Type 3015 25 kHz Input Module from 2816 Data Acquisition Unit

Bruel & Kjaer Type 3107 Generator Module from 2816 Data Acquisition Unit

Bruel & Kjaer Type 3017 Sound Intensity Module from 2816 Data Acquisition Unit

*For Parts* Bruel & Kjaer Type 4220 Pistonphone Sound Calibration Tool

Bruel & Kjaer Type 3107 Generator Module, B&K

Bruel & Kjaer Type 7521 Signal Analyzer Interface Module

Bruel & Kjaer 4809 Vibration Exciter Shaker Unit 45 N 10 lbf 10Hz-20kHz Denmark

Bruel & Kjaer XC 1968 Power Control Board from 2816 Data Acquisition Unit