3 pairs of 105 power amps = 3 monos per channel.
Crossover-less.
An outstanding concept of having the frequency response of each pair matched to the characteristics of each pair of drivers with the upper frequency response very steeply rolled off with the lower response of the next pair taking over where the lower pair finished, and so on.
6 sets were commissioned by Subjective Audio. All were very quickly sold and to our knowledge, have never appeared for sale … anywhere.
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