Thanks for the responses Cruz123 and Mds.
Given my experience with the PL Dialogue, I'm certain that I would end up in triode mode the bulk of the time. That puts the SLI-80 at 40w and the Sixpacs at 50w, effectively doubling the Dialogue's 21w triode mode. Now I appreciate that doubling watts has a modest effect on clipping and perceived loudness, and I know that the Harbeths will sing with more power, but 40w-50w is at least within the recommended minimum for the 30's. The sensitivity of the Monitor 30s is close to the Thiel CS1.5, 85 db I beleive, but their impedance curve does not drop below 7 ohms (see, http://www.soundstagenetwork.com/measurements/speakers/harbeth_30_domestic/ ) . Nonetheless, I would be open to any recommendations for higher power tube amps.
Thanks again.
Given my experience with the PL Dialogue, I'm certain that I would end up in triode mode the bulk of the time. That puts the SLI-80 at 40w and the Sixpacs at 50w, effectively doubling the Dialogue's 21w triode mode. Now I appreciate that doubling watts has a modest effect on clipping and perceived loudness, and I know that the Harbeths will sing with more power, but 40w-50w is at least within the recommended minimum for the 30's. The sensitivity of the Monitor 30s is close to the Thiel CS1.5, 85 db I beleive, but their impedance curve does not drop below 7 ohms (see, http://www.soundstagenetwork.com/measurements/speakers/harbeth_30_domestic/ ) . Nonetheless, I would be open to any recommendations for higher power tube amps.
Thanks again.