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bee wrote: This is true lev, but and a big but, people assume roots music is all about low dirty bass... loud bass yes low no.... why do i say this....... you only have to look at at how the roots guys set up and listen to hear that alot of the sub content is 50 to 80hz...... not 30 to 50hz. yes some tunes do drop down to 30hz but most are not that low..... dub drops lower i agree, but even still alot of the power used is in the 50 to 80hz region..... if i compare roots to dance based music (dnb, dubstep,house) the important area is 90 to 150hz, but the music content in all most all tracks drops to 40hz and in some 30hz.... is this maybe an issue with the amps, working great at some frequency's and not others. To run 4 1850's from this amp and smoke 4 a side is some going. The cabs in question were being run 35hz to 90hz very flat response no big peak around the 60 to 80hz region like roots music......
bee wrote: i have lev , just saying the way the pre amps, lms etc get set up to boost the frequency's around 60 to 80 for roots/ reggae/ dub etc, is very different to dance, which is very different to live music. All this does is put very different stresses on the amps. The cubo loaded with the 1850's are the nuts, the 4 drivers blew after we turned off, basically over heated, they were run over and beyond what they should of been ..... one thing to note I would never swap an amp for another with out re eq'ing the system as every amp sounds different to the next and will naturally change what we hear.....
Rog Mogale wrote: Ray, can you give the exact details of all the components in the chain that were used at the controversial amp shootout.
Need to know speaker cables lengths and cross sectional area, any EQ settings and if cabs were alone or had others around them.
Speaker Sol wrote: At the weekend I had a chance to open up my PKNs running 4 Stasys X, 1 bin off each channel of an XE6000.
However I did notice one interesting thing. Two times during the night the DJ dropped a tune where the bass note corresponded to a speaker impedance of less than 4ohms, the amp was seeing 3.5ohms, at this point the amps temperature started to raise and if I had two or three tunes like this in a row I may have had to decrees the volume a little.
I wonder if the scoops you where using have a point where the impedance drops below 4ohms at a frequency where a lot of roots bass content is?
Under theses circumstance an amp that can delivery its maximum load into a lower impedance might have an edge.