$100 – $500
2.1 Channel Bluetooth speaker with maximum visual and acoustic appeal
Priority given to mono operation with another snail as a stereo pair, with aux cable input only. Compact transmission line subwoofer operating from 45 to 135 (1 1/2 octaves,) with minimal damping. Has controlled directivity and symmetrical radiation pattern with upward tilt. Minimal passive crossover components.
ND140-4 woofer (P/N: 290-216) DMA58-8 fullranges (P/N 295-583) and audax tweeters
Side firing woofer. Spiral transmission line with flared terminus. Compact curved vertical front array MTMTMTM aperiodic loaded
Vinyl plank flooring forms the inner spiral and outer shell. HDPE baffle with integrated handle. Clear Poly-carbonate side panels with applied epoxy coating
Center tweeter 1st order 8kHz. Outer tweeters in series 1st order 6kHz. Outer fullranges 1st order 1kHz for baffle step correction
Tips & Tricks:
Rear terminus benefits greatly from boundary gain. Most impressive when mounted high upside-down in corner
Good sound for a portable speaker.
About the Designer:
Self-unemployed cabinet maker with a tolerant wife
Project Parts List: