Discussion Overview
The discussion revolves around finding a flat, tiny speaker approximately the size of a quarter that can produce a reasonably loud audible tone. Participants explore various options, including types of speakers and sources for purchasing them.
Discussion Character
- Exploratory
- Technical explanation
- Debate/contested
Main Points Raised
- Some participants suggest looking for a piezo buzzer, noting that it is suitable for producing a fixed frequency tone.
- Others argue that for a wider range of audio frequencies, a proper speaker should be used instead of a piezo buzzer.
- One participant mentions the difficulty in finding a speaker that is both the diameter of a quarter and flat enough while still being loud and effective across the audio range.
- Several sources for purchasing speakers are provided, including links to specific products from Goldmine and other electronics distributors.
- A suggestion is made to repurpose speakers from old cell phones or headphones, although these may be thicker and less powerful.
- One participant warns against sealing speakers in a box, as this can limit their sound output.
- Another participant mentions using components from greeting cards that play music, as they contain small buzzers that may fit the size requirement.
- A historical reference is made to a "Blatthaller" speaker from 20th-century Berlin, suggesting a potential for commercialization.
- One participant suggests that old mobile phones can be a source of small speakers, as many are no longer in use.
Areas of Agreement / Disagreement
Participants express differing views on the best type of speaker to use, with some advocating for piezo buzzers and others for traditional speakers. There is no consensus on a single solution, and multiple options are presented.
Contextual Notes
Participants note limitations regarding the size and effectiveness of speakers, as well as the potential need for specific configurations to achieve desired sound quality.