New MOFI speaker (Andrew Jones)

With most of the research cost already sunk in the Source 10, a smaller and cheaper version is something that makes sense.  I've seen and heard the Source 10 (pretty nice sounding speaker), and while I liked how it looked, it struck me as being a bit too large for a lot of rooms as far as aesthetics are concerned.  The Source 8 should find favor in most domestic settings.  If bass extension and high volume capability are the primary areas of compromise vis-a-vis the Source 10, that won't be too bad because it struck me that the Source 10 had plenty to spare in these areas.  If it is efficiency that suffers the most, that would be a bigger deal as the best sounding amps (to me) are somewhat low in power.

larry - great point, one which had eluded me earlier

sp 10 is 91 db/wm whereas sp-8 is only 87 db/wm --- that is a significant sensitivity difference... a major selling point of the 10 was its fairly high efficiency allowing use with lower powered tube amps, single ended sweeties... that is something definitely traded away if one goes with the 8’s

Ah yes. 10 “ drivers. 8” drivers. Just like the good old days! My ohms are 12” and 8” drivers respectively. Hurray for Real speakers not with undersized drivers that are still around these days and are of high quality but  that won’t break the bank. Happy Days!

+1 @mapman 

One of the big challenges in designing the speaker was to have a 10” woofer respond high enough for the 1.6 khz crossover point (the speaker must have a bandwidth much higher than this point even with a 12 db/octave slope).  That makes it quite impressive that some vintage 18” drivers can operate way up beyond this point.