Understanding the audio signal chain is a foundational component of operating audio equipment. Choral directors should be familiar with the chain to properly set-up or fix audio equipment.
The flow of audio follows a specific path through various components:
- Sound Source – the performer.
- Microphone – captures sound from the source.
- Preamplifier (preamp) – amplifies the audio signal coming from the microphone.
- Mixing console – adjusts audio levels and sound color.
- Amplifier – amplifies the sound from the mixer and powers the speakers.
- Speakers – projects the final sound for the audience.
Throughout the signal chain cables (XLR or quarter-inch) are used to connect the various pieces of equipment.
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