In addition, we can assume that digital signal sources are not going to disappear, in spite of the recent resurrection of LPs and open-real tape. Thus, we can reasonably assume that 300B and 845 output tubes, sadly, are not invited to this future party.
We want the best sound possible, the highest efficiency, the smallest size, and the lowest price. For example, we might abandon voltage-out amplifiers for current-out amplifiers and 1-ohm loudspeakers will be the new norm.Ī safe start to our predictions, however, is to begin with the primary assumption that we want it all. Maybe a new speaker paradigm ascends, making our old amplifiers obsolete.
What will future amplifier developments offer us? Will class-D amplifiers ultimately triumph? Or, will entirely new classes of operation be created? What new output devices might be developed that will make today's MOSFETs, tubes, and transistors look absolutely primitive in comparison? Perhaps, a new loudspeaker technology arises, for example a fullrange-ionic or piezoelectric loudspeaker, which will demand a new amplifier technology to drive it.
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