Microphones

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Microphone Quizzes & Trivia

Microphones Quiz for Eric :).


Questions and Answers
  • 1. 
    A condenser microphone's operation is based on
    • A. 

      Resistance

    • B. 

      Capacitance

    • C. 

      Inductance

    • D. 

      Diffusion

    • E. 

      Reactance

  • 2. 
    Which polar pattern would be considered undirectional (one direction)?
    • A. 

      Omni

    • B. 

      Hemispherical

    • C. 

      Figure eight

    • D. 

      Cardioid

    • E. 

      Trapezoid

  • 3. 
    When a mic is moved closer to the sound source, there is an apparent boost in the bass response, this is called the
    • A. 

      Low pass reinforcement

    • B. 

      Low end rumble

    • C. 

      Proximity effect

    • D. 

      Bass saturation

    • E. 

      Probability effect

  • 4. 
    The directional characteristics of a microphone are shown on a
    • A. 

      Frequency response graph

    • B. 

      Dynamic range graph

    • C. 

      Polar pattern graph

    • D. 

      Box venting nomograph

    • E. 

      Spectrum analyzer

  • 5. 
    If it's rear/side ports are closed, a cardioid microphone becomes
    • A. 

      Figure eight

    • B. 

      Hyper cardioid

    • C. 

      Omnidirectional

    • D. 

      Super cardioid

    • E. 

      Bi-directional

  • 6. 
    Which microphone has a Hypercardioid polar response?
    • A. 

      RE 20

    • B. 

      MD 441

    • C. 

      D 112

    • D. 

      M 88

    • E. 

      M 49

  • 7. 
    A frequency response curve of a microphone indicates
    • A. 

      The range of frequencies the mic's diaphragm is capable of capturing

    • B. 

      The deviation in level of all frequencies on the audio spectrum, input compared to output of the microphone

    • C. 

      The level above and below a known reference for frequencies of the audio spectrum

    • D. 

      The response of the human ear to frequencies created by the diaphragm of the microphone

    • E. 

      The range and deviation in level of frequencies, input compared to output that the microphone is capable of producing

  • 8. 
    A Moving Coil Microphone has
    • A. 

      Two plates, separated by a dielectric, with a potential difference between them. The moving plate vibrates according to changes in air pressure

    • B. 

      A mylar diaphragm which is attached a coil of wire suspended within a magnetic field that vibrates in response to air pressure changes

    • C. 

      A permanently charged capsule that doesn't need phantom power to operate except to charge the capsule

    • D. 

      A piezo crystal that vibrates in response to air pressure changes; the changing pressure causes a current flow within the crystal

    • E. 

      Carbon granules, enclosed in a capsule, and subjected to a DC voltage

  • 9. 
    Without phantom power, which microphones will not work
    • A. 

      Ribbon

    • B. 

      Moving coil

    • C. 

      Piezoelectric

    • D. 

      Condenser

    • E. 

      Piezoelectric and condenser

  • 10. 
    An electret condenser microphone
    • A. 

      Requires phantom power as a power supply to polarize the plates that make up part of the diaphragm

    • B. 

      Can operate from the power supply within a self powered DI

    • C. 

      Has a diaphragm which is permanently charged

    • D. 

      Has a special connector to allow the user to connect the microphone directly to the mainspower supply

    • E. 

      None of the above

  • 11. 
    Standard phantom power is
    • A. 

      120 volts

    • B. 

      5 amps

    • C. 

      48 volts DC

    • D. 

      48 volts AC

    • E. 

      117 volts AC

  • 12. 
    You would most likely use a bass roll off filter on a microphone
    • A. 

      To cut down on the plosives

    • B. 

      To protect the preamp from high SPLs

    • C. 

      To minimize transmission noise

    • D. 

      To minimize transmission noise and to reduce proximity issues

    • E. 

      To reduce proximity issues, to cut down on plosives and to minimize transmission noise

  • 13. 
    If you want a brighter sound when recording an electric guitar cabinet, the first adjustment you should make is:
    • A. 

      Move the mic towards the center of the speaker cone

    • B. 

      Move the mic towards the edge of the speaker cone

    • C. 

      Adjust the low frequency EQ on the desk

    • D. 

      Move the mic more off axis of teh cabinet

    • E. 

      Move the closer to the floor

  • 14. 
    The purpose of a direct box is to
    • A. 

      Convert from a wet to dry signal

    • B. 

      Allow the signal to bypass the mic preamp

    • C. 

      Convert from high impedance to low impedance

    • D. 

      Avoid low frequency loss

    • E. 

      None of the above

  • 15. 
    The specification that shows how much the rear of a directional mic rejects sound pressure is
    • A. 

      Off axis rejection

    • B. 

      Sensitivity

    • C. 

      Transient response

    • D. 

      Common mode rejection

    • E. 

      Front to back discrimination

  • 16. 
    Which type of mic is generally used for live concert performances?
    • A. 

      Ribbon

    • B. 

      Condenser

    • C. 

      Piezo

    • D. 

      Electret

    • E. 

      Moving coil

  • 17. 
    A dual diaphragm condenser microphone is able to produce selectable polar responses by
    • A. 

      Incorporating various adjustable acoustic ports around the diaphragm

    • B. 

      Physically rotating the diaphragms in and out of phase

    • C. 

      Changing the polarity and voltage relationships between the two diaphragms

    • D. 

      Interchangeable capsules each with different polar response

    • E. 

      Believing in the power of hope

  • 18. 
    Which type of microphone has good side rejection and even frequency response
    • A. 

      Cardioid

    • B. 

      Omni directional

    • C. 

      Figure 8

    • D. 

      Hypercardioid

    • E. 

      None of the above

  • 19. 
    Omni Directional Microphones are
    • A. 

      Equally sensitive to all sound sources, regardless of their relative direction

    • B. 

      Equally sensitive to sounds originating directly in front or behind the microphone while displaying a considerable amount of off axis colouration

    • C. 

      Equally sensitive to sounds originating from in front and behind the microphone while rejecting sounds either side

    • D. 

      Sensitive to sound sources regardless of their relative direction, however is only able to pick one sound at a time, due to phase cancellation

  • 20. 
    IF you want more room sound when recording a bass guitar cabinet, the first adjustment you could make is:
    • A. 

      Move the mic towards the center of the cone

    • B. 

      Move the mic towards the edge of the cone

    • C. 

      Adjust the low frequency EQ on the desk

    • D. 

      Move the mid farther away from the cabinet

    • E. 

      Engage the -10dB pad

  • 21. 
    Which of the following mics would be the best choice for a hi-hat?
    • A. 

      RE20

    • B. 

      C480 B

    • C. 

      D112

    • D. 

      M88

    • E. 

      RE20 or D112

  • 22. 
    You are recording a live performance in a noisy environment. The noise from the surrounding environment is a problem and you want the microphone to focus more on the performance. Which pick up pattern would you choose?
    • A. 

      Fig 8

    • B. 

      Omni

    • C. 

      Cardioid

    • D. 

      Hyper Bi-Directional

    • E. 

      Hemispherical

  • 23. 
    The Sennheiser MD421 is a
    • A. 

      Condenser, cardioid, side address mic

    • B. 

      Moving coil, cardioid, front address mic

    • C. 

      Moving coil, omnidirectional, front address mid

    • D. 

      Ribbon cardioid, side address mic

    • E. 

      Piezoelectric, hemispherical, front address mic

  • 24. 
    The AKG C480B has a pad at what level of change?
    • A. 

      -10dB

    • B. 

      -20dB & -3dB

    • C. 

      -10dB & +3dB

    • D. 

      -10dB & -20dB

    • E. 

      -10dB & -3dB

  • 25. 
    Which sensitivity spec reveals the most sensitive mic
    • A. 

      -38dB RE 1V @ 1Pa

    • B. 

      -32dB RE 1V @ .1Pa.

    • C. 

      -25dB RE 1V @ 120dB-SPL

    • D. 

      -127 dB-SPL RE 1V @ .1Pa.

    • E. 

      -26dB RE 1V @ 1Pa.

  • 26. 
    The SE SE1A is what kind of mic?
    • A. 

      A small diaphragm, side address, cardioid, moving coil mic

    • B. 

      A large diaphragm, front address, omni-directional FET condensor mic

    • C. 

      A small diaphragm, front address, cardioid, condenser mic

    • D. 

      A large diaphragm, front address, transformerless, multi-pattern condenser mic

    • E. 

      A large diaphragm, side address, cardioid, tube condenser mic

  • 27. 
    Which of these lists includes only Condenser Microphones?
    • A. 

      RE20, SM 57, TLM170, SM58

    • B. 

      D112, SE 2200A, KM84, SM81, RE20

    • C. 

      SM57, U87, C414, MKH 80, MD441

    • D. 

      U87, U89, M88, KM184, ML 5202

    • E. 

      C1000, SE 2200A, SM87, B1, TLM-170