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I see a lot if people getting external amps to use with dx100. Why is this? What does the dx100s own amp lack?
I use an external amp because the DX100 is SOOOO good, it drove me to getting increasingly better cans. Eventually, you end up with a set a cans that are so good/transparent that they demand a better amp section. Also, some of the high end cans are high impedance (I guess this applies to many cans, not just higher end ones). Higher impedance requires more power to drive really well. It's not that the DX100 won't handle high impedance cans, it will, just with some cans it sounds better amped.
As an aside, I'm currently using Heir 5.0s with my DX100. To me, they sound better driven directly from the DX100 than through my RSA RS-71A. They're the first set of cans I've ever used that sound noticeably better straight from the DX100 than amped (odd). My hat's off to Heir for an AMAZING set of cans. I have not listed my 4.Ai cans for sale yet (just being lazy), but if anyone here is interested in them, I'm open to reasonable offers. They've had about 200 hours of use. I'm a junkie. I didn't buy the 5.0 cans because I didn't like the 4.Ais. I just had to try the new ones (and they came out very soon after I bought my 4.Ais. Head-Fi, I hate you.
Anyway, back to topic. I often use my DX100 at home with Beyer T1 cans. IMHO, the T1s NEED an amp with the DX100. It's not a volume issue. They just sound thin compared with putting my SR71A in line. BTW, I'm also considering selling my SR71A if anyone is interested in making an offer. Again, not because I don't like it...I LOVE it (I've loved every RSA amp I've had - again, IMHO, they can do no wrong). I've had a half a dozen RSA amps over the years. I'm just looking for something that includes a built in DAC. I'm traveling a lot again for work. When I travel, I'm always tethered to my laptop, so I'm thinking about just bringing a DAC and cans and listening via my PC (it doesn't take 10 minutes to index my music
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