1. other brand's ribbon tweeter


Other brand's 12cm lenght Ribbon tweeter, with great phase problem in high frequency range.

Another conventional ribbon tweeter with lenght 6cm, the sensitivity change a lot with different listening position, create a great phase problem also.
3. Volent/LCY LCY-130 tweeter SPL diagram


With Volent/LCY patented Twin-Ribbon tweeter, it got almost same sensitivity in different angles.
4. Volent/LCY LCY-100K Super Tweeter SPL diagram


Volent LCY-100K super tweeter also shown very flat performance in different listening angles , with minimal phase problem.
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