Pani, I am surprised you felt compelled to go to solid state amplification to drive your Tannoys; I usually think of Tannoy speakers as being high impedance and high efficiency, thus well suited to even flea power SETs. In fact, one of your responses comes from someone using an 845 amplifier to drive the same speakers. Can you explain the reasoning? This is not to say that there are not a few really nice sounding low-power SS amplifiers that one might consider for this job, such as the Nelson Pass "First Watt" amplifier family.
The subsequent discussion makes me want to know more about the Berning preamplifiers.
The subsequent discussion makes me want to know more about the Berning preamplifiers.