TWL, your points are well taken and I believe that I will ultimately have both speaker- and headphone-based reference sysetms; and will be able to enjoy each for what they do best.
A while back, I also owned the SRA-12S, but with the original Lambda phones (I know the Sigmas are somewhat different sounding). For me, the original Lambdas lacked bass and were overly bright with a lot of material. These new 404s are better balanced, i.e., not as hyped-up in the treble and have MUCH better bass extension and articulation. I think you'd be surprised at the improvement if you have a chance to use them in your system.
Megasam, I can appreciate your sentiments, and I agree that headphones cannot physically vibrate your body the way that speakers with bass extension and slam can. However, the 404s do have their diaphrams angled to the ear in such a way that they provide expansive soundstaging effects and even a sense of depth and layering. Athough the soundstage is a little different than what you get from speakers, it is interesting and aurally satisfying in that regard, at least to me. And it's nice to finally hear all the nuances and fine details that get "swept under the carpet" with speakers. It does add depth and meaning to the musical program...
A while back, I also owned the SRA-12S, but with the original Lambda phones (I know the Sigmas are somewhat different sounding). For me, the original Lambdas lacked bass and were overly bright with a lot of material. These new 404s are better balanced, i.e., not as hyped-up in the treble and have MUCH better bass extension and articulation. I think you'd be surprised at the improvement if you have a chance to use them in your system.
Megasam, I can appreciate your sentiments, and I agree that headphones cannot physically vibrate your body the way that speakers with bass extension and slam can. However, the 404s do have their diaphrams angled to the ear in such a way that they provide expansive soundstaging effects and even a sense of depth and layering. Athough the soundstage is a little different than what you get from speakers, it is interesting and aurally satisfying in that regard, at least to me. And it's nice to finally hear all the nuances and fine details that get "swept under the carpet" with speakers. It does add depth and meaning to the musical program...