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Enclosure design

  1. Enclosure types
  2. Sealed enclosure
    1. How to build a sealed subwoofer box
    2. Sealed vs Bass Reflex
  3. Bass reflex
    1. Bass reflex alignments
  4. Transmission line
  5. 4th order bandpass
  6. 6th order bandpass
  7. Folded horn
  8. Passive radiator
  9. Isobaric design
  10. 2 way bookshelf speaker build guide
  11. 3 way floor standing speakers build guide

 

Audio / Electrical measurements

  1. Measure speaker frequency response
  2. Quasi anechoic loudspeaker measurements Part 1
  3. Quasi anechoic loudspeaker measurements Part 2
  4. SPL measurement far-field using Soundeasy
  5. Near field speaker measurement using SoundEasy
  6. Full range loudspeaker frequency response measurement using SoundEasy
  7. SoundEasy impedance measurement
  8. Loudspeaker impedance measurement using a multi-meter
  9. Measuring Thiele Small parameters part 1
  10. Measuring TS parameters part 2
  11. T/S parameters measurement using SoundEasy
  12. Measure harmonic distortion (THD) using Room EQ Wizard (REW)
  13. Step response measurement and explanation
  14. Group delay
  15. Speaker acoustic center / offset

 

Electrical engineering

  1. Passive crossovers
  2. Passive crossover designs with circuit diagrams
  3. Poor man’s passive crossover
  4. How to build a passive crossover
  5. Speaker electrical characteristics
  6. Speaker equivalent circuit
  7. Impedance curves explained
  8. Impedance equalization circuit / Zobel network
  9. Notch filter design
  10. Audio peak filter circuit / parallel notch filter
  11. Thiele / Small parameters
  12. Thiele Small parameters equations
  13. 3 way passive crossover using XSim

 

Acoustical engineering

  1. How to calculate decibels (dB)
  2. Total Hardmonic Distortion (THD)
  3. Spatial loading
  4. Speaker break in
  5. Speaker baffle design and diffraction
  6. Baffle step calculator – baffle step compensation circuit (BSC)
  7. Impulse response
  8. Cumulative spectral decay CSD – waterfall plot
  9. Speaker lobing and polar response
  10. How to create a FRD file
  11. How to create a ZMA file
  12. Internal standing waves – how to eliminate them

 

SoundEasy Tutorials

  1. SoundEasy probe build
  2. SoundEasy measurement box
  3. SoundEasy impedance measurement
  4. T/S parameters measurement using SoundEasy
  5. SPL measurement far-field using Soundeasy
  6. Near field speaker measurement using SoundEasy
  7. Full range loudspeaker frequency response measurement using SoundEasy
  8. Hilbert Bode transform
  9. SoundEasy enclsoure design
  10. SoundEasy crossover design
  11. Ladder delay network

 

Car Audio

  1. OEM enclosure vs custom enclosure
  2. Car resonant frequency
  3. High output subwoofer enclosure matched to car cabin gain
  4. Audison bit ten tuning – time alignment