Hi Rikki, long time no see!
Actually, I've been using my BK-7 more and more. I finally read the manual, ha ha, and have learned how to use it. The BK-7 styles suit me better, although I'll miss the SA voices and vocalizer. Won't miss the weight! For what I do, the T4 is overkill.
Basically the T4 is just sitting here so decided to part with it.
Hope you are well and your 3X is working out for you!
Don P
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GENOS, Roland FR-8X V Accordion, Bose Compacts.