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Beyerdynamic DT990 (ver.2005) Impressions Thread - Page 38

post #556 of 559

An amplifier could output 100 milliwatts of power into 600 ohms or 1000 milliwatts into 600 ohms, Just specifying that it can drive 600 ohm headphones is not enough. that , and there is also another factor called the sensitivity. For instance, Planar magnetic headphones have low impedances, but they are very difficult to drive because they have low sensitivity.



Anyway, You can try to see if your sound-card can drive your headphones properly. but if I were you I would buy an amp also. or maybe a DAC/AMP combo.



With a DAC/AMP combo, you can use your sound card's optical out into the DAC/AMP, that way you get the signal processing of your sound card and the superior performance of the DAC and AMP section of your combo.



the DAC chip used in your sound card is pretty decent, the CS4398 is a popular chip.

post #557 of 559

I'll just toss my 2 cents in by agreeing that the bass from these 'phones is quite satisfying.  To me, at least.

post #558 of 559

^ I too.

post #559 of 559

What are you guys driving your 990s with?


I'm using the m920's DAC, and then the DV336SE as the amp.  It's a pretty sweet combo.  That amp is a good match for high-impedance cans (mine are the 600 ohm).

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