Products/Services for Speaker Test Oscillator

  • Oscillators-Image
    Oscillators - (523 companies)
    Specification Of Crystal Controlled Oscillators. MIL-O-55310/100 - Oscillators, Crystal, Class I (Crystal Oscillator). BS 9620 - Specification For Quartz Crystal Oscillators Of Assessed Quality: Generic Data And Methods Of Test.  ...
  • Speakers-Image
    Speakers - (661 companies)
    Speakers produce and transmit sounds carried by electrical or radio signals. This product category is primarily for industrial and OEM speakers rather than those for home use. How to Select Speakers. Image Credit: Digi-Key Corporation. Speakers use...
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    Optical Parametric Oscillators - (11 companies)
    Optical parametric oscillators (OPO) use parametric amplification in nonlinear crystals to produce optical gain. The output of an OPO can be varied over wide spectral ranges. Optical parametric oscillators (OPO) use parametric amplification...
  • Mechanical Testing Equipment-Image
    Mechanical Testing Equipment - (429 companies)
    Mechanical testing equipment covers devices used for adhesion, compression, drop (shock), tensile, vibration and fatigue testing. Mechanical testing equipment covers devices used for adhesion, compression, drop (shock), tensile, vibration...
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    Test Tubes - (112 companies)
    Test tubes are handheld tubes are used for mixing or heating chemicals in a laboratory. They are open at the top and rounded at the bottom, and usually made of glass or plastic materials How to Select Test Tubes. Image Credit: Small Parts, Inc. Test...
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    Test Sieves - (81 companies)
    Test sieves are stainless steel or brass round frames with extremely accurate openings. Wire cloth is usually of stainless steel or brass with nonstandard wire diameters. Test sieves are woven wire or perforated metal pans that are used for sifting...
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    Levels - (199 companies)
    ...reference. Stud or post levels often have plumb and cross test vials designed to attach to studs or posts and aid in establishing a plumb or level condition. Transit or transit compass level is used for plane surveying. Water, water tube, manometer...
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    Test Points - (39 companies)
    Test points are electrical terminals that are used for testing electrical and electronic equipment. Test points are electrical terminals used for testing electrical and electronic components. They facilitate the connection of test probes and test...
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    Package Testing Services - (20 companies)
    Package testing services evaluate the performance of packages and packaging materials using drop, transportation, thermal control, leak and other specialized packaging tests. Impact Handling. Image Credit: Compadre Medical Device Package Testing...
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    Electronics Test Fixtures - (68 companies)
    Electronics test fixtures are used to test contact points on circuit boards during manual or automated testing. Products are used to test: daughter cards. flex circuits. liquid crystal displays (LCDs). loop-back boards. multi-chip modules. optical...

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  • Engineering Control of Radio Receiver Production
    Fig. 5- Oscillator test for loud speakers .
  • Apparatus for measurement of speeds of sound in drahtförmigen samples
    This ~ ethode underlies the mostly following principle: A yon excites the loudspeaker system driven to an oscillator the sample to longitudinal Sehwingungen, vibration state yon of which the sample of entlangfahrenden pickups is picked up one and becomes szillographen vergliehen with …
  • Advertisement
    Includes a calibrated high-gain amplifier for signal tracing, tube checking and gain measurement; a beat frcquency oscillator with automatic sweep for testing multiple- speaker installations; a built-in Volt Ohmyst modified for linear audio measurements, an impedance tester, a high-speed …
  • Loud Speaker Testing Methods
    We have also at times gone somewhat farther in the test of the combination of set with loud speaker , using the os- cillator to modulate a broadcast frequency wave which is impressed on the set.
  • Intermodulation distortion in hearing aids: The need for measurement standards and inherent complications
    A pair of Bruel and Kjaer 1022 oscilla- tors delivered all IMD test signals via power amplifer to a JTBL speaker in an anechoic cham- ber (7 x 7 x 7 feet).
  • Heart rate conditioning as a function of interstimulus interval in rats
    A highfrequency speaker mounted at the top of the test chamber was driven by a Gerbrands oscillator and provided a 40 dB white noise CS.
  • An Apparatus for use in the Selection of Barrier-Layer Photocells
    The test is made in two parts, first the oscillator , attenuator and loud speaker are set up with the artificial ear, as shown in Fig. 2 (a).
  • The Testing of Deaf Aids
    The test is made in two parts, first the oscillator , attenuator and loud speaker are set up with the artificial ear, as shown in Fig. 2 (a).
  • The acoustical design of broadcasting studios
    The loud-speaker, situated in the room or studio under test , is supplied with warble tone- from a heterodyne oscillator and a suitable loud- speaker amplifier giving an undistorted output of the order of 5 watts.
  • Subject Index
    p Permeability Tuning and Ferro-In- ductors: 1087 Photocells: Generator for Testing : 1157 Piezo-Electric Crystal Oscillator : Vibration of: 1104 Piezo-Electric Loud Speaker : 1141 Pittsburgh's Contribution to Radio, Discussion: 1031 Polar Year Measurements: 1166 Polarization: Waves Traveling Obliquely .