Acoustic Horn Cell Phone Amplifier 2.0
1,585 views · Published 29 November 2015 · 1:12 · Indexed 29 September 2026
Channel: Rick McQuay · 2015 · Howto & Style
My first horn was a flat horn based on Dustin Penner's design but with a different curve. My second horn is a design by MXX on Instructables, and is usually seen on large concert speakers to emphasize bass. Both speakers have good qualities and opinion in my family is divided on which is best.
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