rogerdee Posted January 18 Share Posted January 18 Hi can anyone tell me if the class 31 with a 6pin decoder is the same chassis as the version with the next18 decoder Thx Roger Link to post Share on other sites More sharing options...
RMweb Gold Kaput Posted January 18 RMweb Gold Share Posted January 18 I'd imagine its different because smaller coreless motor and speaker space. Link to post Share on other sites More sharing options...
RMweb Premium acg5324 Posted January 18 RMweb Premium Share Posted January 18 1 hour ago, rogerdee said: Hi can anyone tell me if the class 31 with a 6pin decoder is the same chassis as the version with the next18 decoder Thx Roger I have one of each, I’ll check but would think it’s going to be different to make space for the speaker…..however………the older class 47 bodies are a perfect fit for the new sound fitted chassis and v/v so there’s a good chance the c31 bodies will fit either chassis. Link to post Share on other sites More sharing options...
47475 Posted January 21 Share Posted January 21 (edited) I have just tried swapping bodies between the 6-pin and Next 18 versions this morning. The PCB is in a lower position on the Next18 chassis, to accommodate the speaker. I think the older body should fit on the Next18 chassis without issues, although mine had an etched grill fitted by the previous owner and the inner profile of that prevented it from fitting properly. The new body will not fit on the older chassis without modification. See where I have placed the end of the cocktail stick below. The part of the new body that fits into that recess will not clear the same area on the older chassis. Edited January 21 by 47475 1 1 1 Link to post Share on other sites More sharing options...
47475 Posted March 25 Share Posted March 25 A slight update to the above. It appears that what I thought was a grill modification on my older models was actually standard on those, therefore the older body does not appear to be compatible with the Next18 chassis without modification either. 1 Link to post Share on other sites More sharing options...
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