Some months ago I did some measures: CD PinkF Dark Side otm - absolutely high volumes ( there were no neighbors! ) , with vol knob at 15 o'clock , (max is 17 hours) and source direct ; in the peaks I digitally tested (average) : Vmax = 14 V/ch and Imax = 1.7 A, for a maximum power of almost 25 W/ch; I generally listen to 9:30 hours max, with my wife coming & asking me for a lower volumes....I've to say that, while the Quad 34 + 306 that I owned before for 20 years , with the same B&W towers, and at a little lower volume, was going in protection (I had to unlock it using the back button) and also warmed up a bit on the smart front radiator, the Marantz 6004 instead was almost cold and never gone + in protection. The Quad was also sounding a little harsh and with harder highs, at these levels, while the Pm 6004 has retained a good liquidity on the mid & highs, which were still confortable...; anyway, in everydays normal cd listening, at 9:30, I get only an output of 1 W/ch max on peaks, more punchy bass and similar mid vs Quad!
Yam as 500 has loudness too and in direct comparison with pm 6004 shows more dry, although more diffuse and detailed high frequencies, similar bass punch, but more fatiguing listening overall, for me.
Marantz drives my old B&W 603, like 684, and a ASW 610 sub linked at spkB - highlevel - my room= 30 mq and 90 mc with ease.
Just a few thoughts . bye
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