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Old 10th December 2009, 02:02 AM   #1
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Default headphone amp

I was interested in getting the Sennheiser HD 280 PRO headphones.

I only have the output on a Yamaha RX-V592 receiver. Some of the reviews I've read say these things only shine if they get enough power to drive them.

I chatted with a partsexpress tech and he said that Yamaha actually has good headphone outputs on them, but I kind of felt that he just wanted to sell me something, so I though I'd ask for a 2nd opinion.
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Old 10th December 2009, 03:03 AM   #2
jcx is offline jcx  United States
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ask what op amp, ps V, and series impedance

the 280 @ 64 Ohms are lower impedance headphones that require more current than many monolithic op amps provide if you want to reach live venue SPL
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Old 10th December 2009, 04:58 AM   #3
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I was looking up the specs on the output.

It's output level 8 ohms 0.04% THD 0.5v, Independence 390 ohms.

That actually doesn't tell me much. I don't know much about headphones.

I have no desire to reach really loud levels, but I'm starting to **** other people off with my music, so I wanted to get a nice pair of headphones.
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Old 10th December 2009, 02:15 PM   #4
Glowbug is offline Glowbug  United States
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Lot of options out there for headphone amps, do you have a budget you're working with?
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Old 10th December 2009, 02:56 PM   #5
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My budget is pretty much just the cost of the headphones.

Are their any great sounding headphones that don't require as much power to drive them?
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Old 10th December 2009, 03:09 PM   #6
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The 280's are a great choice for isolation, but yeah, they like their power.

The headphone amps on a reciever are probably "OK", but if you want to use them portably, you'll want to knock up a Cmoy or Mini3.
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Old 10th December 2009, 03:13 PM   #7
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Oh, and the cheaper 212's aren't bad at all for the money, and whilst they need a fair bit of current to be driven really loud, they sound fine from a portable source, unlike the HD280's or HD25-1's, which really need a strong output to reach their potential.

Do you actually need sealed headphones? The open 555's can be had for similar money, and are generally a better sounding headphone than the 280's.
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Old 10th December 2009, 04:36 PM   #8
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I read some reviews on the 212s. It sounds like they might be better for not needing a dedicated amp, but they also sound like they might have too much bass. As long as it's tight bass and very clean sounding, I don't care.

I do listen to SACDs and vinyl, so they do need to sound good. I might actually use them for movies too. Who knows.

I really have no desire to get headphones for portable use. I guess if they worked really good for that, I might use them once in awhile, but I'm not much of a MP3 on the go guy.
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Old 10th December 2009, 06:27 PM   #9
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Update:

Those 555's are on major sale right now. Also about 10 or 15ohms less then the 280s. A few reviews suggest that they can be driven by a portable player.

The 212s might be more of a sure thing on not needing a amp, but I don't think I would be happy with too much bass. Overall, I hate buying something and not being all the way happy with it. I always want to do it right the first time.

Hopefully the 555s will work really nice out of the box with my receiver and be usable, and later, if I really want to upgrade more, I can get a dedicated headphone amp.
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Old 10th December 2009, 06:34 PM   #10
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Quote:
Originally Posted by gvr4ever View Post

Hopefully the 555s will work really nice out of the box with my receiver and be usable, and later, if I really want to upgrade more, I can get a dedicated headphone amp.
I think they'll be fine - plug em in, put em on and listen to how great the music sounds rather than how much better it may sound with some other arrangement.
I know from my own experience that headphone out on a reasonably good receiver is better than it's made out to be.
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