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What is the speaker unit?
Speaker unit
The electric signal sent from the amplifier is converted into the mechanical vibration, and the speaker unit is a compressional wave and the converted one as for the sound. It plays an important role most in the speaker system.
Classification
Let's simply classify it as much as possible though there is various methods of classifications of the speaker unit. Please click each item in detail.
Classification according to radiation method of sound
- Direct radiation type
- Indirect radiation type(horn type)
Classification according to electric conversion method
- [Ugoden] type(dynamic)
- Electrostatic type(capacitor)
- Piezoelectric type
- Electrical discharge type(ion)
Classification according to shape of vibration board
Classification by reproduction band
The main parts used for speaker unit
- Vibration board
- Edge
- Damper
- Central cap
- Voice coil
- Magnet
Term that shows characteristic of speaker unit
- Frequency response(f special)
- F0
- Q0
- M0
- S0
- Output sound pressure level
- Direction characteristic
- Electric impedance characteristic
