The electret cartridge should be covered with silicon sealant, (I use GE's Silicon II, Household Glue-which is available in the paint department of home improvement centers,) taking special care that none of the sealant gets on the black cloth cover of the cartridge-the cartridge-to-case should be an air tight seal.
#Panasonic wm 61a ultrasonic pdf#
Panasonic wm-61a pdf File is DIYgenericIntFET.pdf. Panasonic WM-61A datasheet.WM-61A datasheet, cross reference. Pan wm-61a microphone car tridge 6mm omni ibs. WM-61A datasheet, cross reference, circuit and application notes in pdf format. Squelch circuitry operated by ultrasonic tone for. Construction of a Measurement Microphone Using the Panasonic WM61A Electret Cartridge Figure II, (which is available in larger size, or, format,) shows the construction of a Measurement Microphone using the Panasonic Electret cartridge. UC-1498 with WM-98 cardioid instrument mic with A98KCS universal horn. As standard wired directly to any compatible device this microphone will most definitely improve sound. The is quite small, (6 mm in diameter, 4 mm height,) and a suitable case is required for handling-which can be made out of a 3.5 mm stereo plug: Figure II. Second test with Panasonic WM-61A Microphone Capsules for Binaural recordings plugged directly into EOS-M. The Panasonic WM-61A microphone capsule is a very popular and small 6mm diameter electret condenser for general purpose use.
#Panasonic wm 61a ultrasonic Pc#
Interfacing the Panasonic WM61A Electret Microphone to the SoundBlaster CT4810 PC Sound Card Figure I, (which is available in larger size, or, format,) is a partial schematic for interfacing the Panasonic Electret Microphone cartridge to the SoundBlaster CT4810 PC Sound Card, including approximate signal voltage levels. For simple measurements, (i.e., for measuring s greater than 65 dB, and less than 100 dB,) the, can be interfaced directly to a PC's sound Figure I. They are also optimized for measuring high sound intensity, (for example, measurements taken at fraction of an inch from a speaker driver-to measure speaker response.) Measurement microphones retail for US $100 to over US $500, but very adequate measurement microphones can be made using the Panasonic back microphone cartridge, which can be purchased through, part number, for under US $2.00, each.
Measurement microphones differ from recording microphones and sound meters-they have a flat response, (usually to well below 20 Hz., and above 20 kHz.,) and do not have 'weighted,' or equalized frequency response. John Conover: Using the Panasonic WM61A as a Measurement Microphone Using the Panasonic WM61A as a Measurement Microphone Measurement microphones are an indispensable tool for the musician and sound/recording engineer. Panasonic Wm-61a Pdf Average ratng: 4,5/5 4096reviews WM-61A Small microphone for general use Back electrettype designed for high resistance to vibrations, High sensitivity, high signal to noise ratio Solder type for leadwires Mic Capsule +Vs Output FET Impedance converter Ground Vs2.0V RL2.2k-30-20-10 0 +10 +20 20 50 100 200 500 1k 2k 5k 10k 20k Fr equency Hz R e la ti v eRe s po ns e dB.
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