That is quite a reasonable sized room. If you want to listen loud you will need an efficient pair of speakers.
There is no hard rule since speakers vary hugely in sensitivity, but small speakers are always low sensitivity and big ones almost almost always higher sensitivity. The Ref 3 is 2.5dB louder for the same power than the Ref 1.
The Ref 1 has the same specified sensitivity as the LS50. I have a pair of LS50s and I think I may find them on the limit in a room of 4x6 but I like to listen to orchestral music at typical auditorium loudness, which is quite a lot louder than most people listen.
Also the Ref 3 should work before SAM correction limits bass output to at least 3dB louder than the Ref 1, since it has 2 of the same bass units.
There is no hard rule since speakers vary hugely in sensitivity, but small speakers are always low sensitivity and big ones almost almost always higher sensitivity. The Ref 3 is 2.5dB louder for the same power than the Ref 1.
The Ref 1 has the same specified sensitivity as the LS50. I have a pair of LS50s and I think I may find them on the limit in a room of 4x6 but I like to listen to orchestral music at typical auditorium loudness, which is quite a lot louder than most people listen.
Also the Ref 3 should work before SAM correction limits bass output to at least 3dB louder than the Ref 1, since it has 2 of the same bass units.
Devialet Original d'Atelier 44 Core, Job Pre/225, Goldmund PH2, Goldmund Reference/T3f /Ortofon A90, Goldmund Mimesis 36+ & Chord Blu, iMac/Air, Lynx Theta, Tune Audio Anima, Goldmund Epilog 1&2, REL Studio. Dialog, Silver Phantoms, Branch stands, copper cables (mainly).
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