Reviews, Data, and Information

YouTube
https://www.youtube.com/watch?v=j-bVI1oJhQo&t=3s

https://www.youtube.com/watch?v=bXSQXIEoICg

https://www.youtube.com/watch?v=Kg1WCBIKjwQ&t=30s

 

AVS Forum
https://www.avsforum.com/threads/harbottle-audio-tld-18%E2%80%9D-subwoofer-%E2%80%A2demo-video%E2%80%A2.3179640/#post-60414702

https://www.avsforum.com/threads/harbottle-audio-tld-18%E2%80%9D-subwoofer-build.3177174/#post-60351326

https://www.avsforum.com/threads/harbottle-audio-group-buy-24uht-ends-march-30-2021-11-59-59-pm-est.3171779/#post-60213179

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First Generation GUJ
This driver has been redesigned and named the M2C18. 
​It still maintains the underhung motor topolgy with neodymium magnet structure.
The M2C18 will deliver about 4 db more across the frequency response.

TSADv1
This is the Funk Audio base model subwoofer and is equivalent to the M118.
The suspension has been changed to be more efficient in the low bass. 
The M118 will deliver about 1-2 more dB below 50 Hz.

The M118T (TLD) offers more top end extension and more efficiency in the low end. It really is the ultimate expression of high quality audio.