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And for more demanding headphones you can use the speaker outputs rather than the RCA preamp outs. Plan to try something like this for my HE-5LE headphones, which are said to really shine hooked up this way. Just need to get around to finding an affordable speaker output to 4 pin XLR adaptor...
I can build you one post up the details on the plug you have or email them to me and I'll toss you a email@example.comJT
That's what he gets for killing his laptop and having to use mine! CT
Cool,A couple questions:Will this work without the tube buffer?I assume you would have to disconnect the speakers in order to run it as a headphone amp. Will this damage the amp, running it with no speakers attached?
It might not be an officially approved use, but the Virtue Audio Sensation with Dodd Tube Buffer makes for an excellent headphone amp (with the right equipment).Just hook up one of these "high-end" connectors from Monoprice to the Sensation's RCA pre-amp outs and plug in your headphones to the jack end. I know this might be out of some folks' price range, though. http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10218&cs_id=1021804&p_id=5612&seq=1&format=2It works best with lower impedance phones. My 300 ohm Sennheiser HD-580s don't get enough gain in this setup but it is more than enough for the rest of my more reasonable phones. The Sennheiser PX100s will make your ears bleed with value-priced joy through the Sensation (and disturb others in the room). My main rig Ultrasone HFI-780 get plenty of juice but still isolate so as not to disturb the family watching TV in the same room. Sennheiser HD-280s isolate well, too. Sound quality is excellent with most of the phones!As I understand it, only buffered preamps (perhaps w/o gain) are really capable of successfully driving headphones to match impedances. And you have to have enough gain from your source (around the standard 2v seems to work, though). I've also had excellent results with my Hornshoppe Truth preamp in the same setup.
I would not expect a pre-out or CD out to put any type of drive or control over the headphone amp - sure it will give you signal ... Now if you have your headphones connected to speaker ourput - that's a different story - of course you'd need hard to drive phones like head-direct HE5 ... Will report back on this experiment ....
Received a Sensation M451 with tube buffer for headphone use a couple of weeks ago. Excellent clarity, speed and detail but at the moment still too much hiss. Using the stock JJ tube, that is know to be noisy up to 100 hours use, and the cheapo power supply while I wait for my back ordered battery supply. Hoping for even better sound and alot less hiss with battery power and an upgraded tube.
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