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

Bruel & Kjaer 1606 Vibration Preamplifier w/ Probe

*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 Accelerometer Type 4370