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Originally Posted by widds2v
1) Whats the difference between A500s and A700s?
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Still a mystery, it seems.. there's been some A500-A900 comparisons... very few A700-A900 comparisons.. and no A500-A700-A900 comparison whatsoever. I was planning on doing one, but I never got around to it. Some have said that A700 sounds very alike to A900, yet I've heard others before that said they sound nothing alike... I really don't know now.
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2) Are the A500s similar to the A900s in the sense that they really don't need an amp? As far as portable amps would a SR71 or Supermono be overkill for a pair? |
A900 is easier to drive than A500, although both are still easy to drive without an amp. Reason being that A900 is more sensitive, thus easier to drive and also more detailed.
If you plan on using portable amps with them for "portable" reasons.. yes, it would be overkill. The level of improvement against the additional weight of the amp + extra wires just doesn't seem to make sense. A900 and A500 aren't exactly portable headphones anyway, they're really home headphones.
However, if you're building a "semi-portable home system"... then either amp will give you some improvement, not dramatic.. but there are some appreciable improvements. It's up to you to whether you think it's worth it or not. If it doesn't work out you can just sell the amps taking minimal loss.
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3) A500s vs Ety ER4... obviously different types of headphones, I assume the A500s have more "impact" bass, how does it compare for bass "tightness" and overall sound? |
ER-4 will have more "detailed" bass than A500, because that's what ER-4 does to make up for lack of impact. Since it can't do impact, they chose to make it do something else useful... although I personally never considered ER-4's bass "true" enough for my taste.
Othewrise, A500's bass will have more impact... other than that, will have a much wider soundstage than the ER-4.. and imo, a more "natural" sound than the ER-4.