How efficient? I just posted a free design for a 91 dB single driver which can fit in a very small space.
https://speakermakersjourney.blogspot.com/2017/08/introducing-lm-1s.html
I should mention, the design is free, I'm not making money except to get people interested in DIY.
Best,
E
https://speakermakersjourney.blogspot.com/2017/08/introducing-lm-1s.html
I should mention, the design is free, I'm not making money except to get people interested in DIY.
Best,
E