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| >  I got a chance to check 
out powered speakers somewhat and  I don’t think the Mackie SRM150’s that 
you were inquiring about would be adequate for you, Ted.  Agreed, given what I know of the low 
end and rumble that Ted can produce, similar to me. If I were Ted, I would go 
with a 12 inch powered speaker, not a 10 inch.  > I’d check out the RCF speakers 
that are the same size as the SRM350’s, but have better low frequency response 
and are lighter weight. The SRM150’s seam like great monitors for a singer song 
writer , but not much more. The RCF’s are made in  Ted and I have been exchanging 
emails on this. I compared the specs between the RCF, Mackie, and JBL powered 10 
inch speakers. You are right, the RCF do claim to reach a lower frequency in 
their frequency range, 50Hz - 20KHz (though they incorrectly label that 
spec as a frequency response, without a plus or minus figure...not sure what 
they are trying to pull there, but is is misleading and suspicious).  The 
JBL range is 65 Hz - 18 kHz. And Mackie's is 61 
Hz - 22 kHz), going higher than RCF...so one speaker may suite 
different needs....though spicing hairs a bit.   The see that the total wattage (low 
plus high) of the RCFs  are much higher than JBL and Mackie. That may 
generate the feel of more power and punch, but no necessarily quality of the 
frequency response. And of course, thd cross-over frequency for each speaker is 
different, so that has to be factored into the the performers's personal needs 
and taste.   RCF is 350 w total, 
300w low frequency and 50w high frequency. Mackie is 195w total, 165 low and 30w 
high. JBL is 175 total, 125w low and 50w high. I guess considering wattage and frequency range, plus weight, the RCF 
look like the best bet for a 10" cab. This all may change when we get into 
the 12" cabs.  One interesting spec is the 
cross-over frequencies for each, Mackie (2.4Khz), JBL (2.7 kHz), and RCF (1.8 
kHz). But I guess this makes sense, given how much wattage RCF has allocated to 
their low end driver. I have never had a chance to hear a 
A/B/C, blind comparison of the three speakers, withing knowing which manufacture 
I was hearing at any time. That would be the ultimate test for me. Several years 
ago, I did this with my small home stereo system...I listed to 5-6 different 
small home stereo speakers, not knowing the manufacturer, but going with my 
personal taste. The most expensive speakers didn't sound the best to me, and 
so-called superior specs (bettter frequency ranges, etc), didn't make a 
difference either. It is all so subjective. (reminds me of some blind wine 
tasting contests in Seattle several years ago, where a $8 bottle of wine 
continuously beat very expensive wines in a blind test).  Brand is 
powerful, as is a priori pre-conceptions.  Ted - have you done such a test? I 
highly recommend it. I would have someone set it up so that you can't tell which 
manufactuers are producing your sound. I would be VERY interested in the 
results.  Kris |