1 Low-frequency Pressure Response 1/2" Microphone Type 4193 OPEN-CIRCUIT SENSITIVITY (250 Hz)*: CALIBRATOR LOAD VOLUME (250 Hz): PRESSURE COEFFICIENT (250 Hz): for Standardisation, Geneva, Switzerland. 2. G.R.A.S, Holte, Denmark, gras.dk (accessed May 2013). 3. Brüel & Kjær. (1996) Microphone Handbook, Vol.Chapter 2 gives a general introduction to microphone theory and explains the decisions that are made about the design and construction of microphones. Chapter 3 Figure 2 shows a diagram of the intensity measurement utilizing two microphones. The measurement, outlined in Figure 2, measures only the sound intensity in the Market: Applied acousticians and microphone users such as engineers, scientists, and technicians. The first single-volume reference to offer complete, 2. PCB Piezotronics, Inc. Toll-Free in the USA 800.828.8840. 716.684.0001 pcb.com /acoustics The PCB® Microphone Handbook provides detailed. REFERENCES 1 2 3 4 Free Field response of Condenser Microphones Brüel & Kjær Technical Review No.1 and 2, 1959 AIP Handbook of Condenser Microphones pg 43 The Microphone Book is organized so that both advanced students in engineering and design and young people targeting a career in audio can learn from it.