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Originally Posted by against /img/forum/go_quote.gif
One more question. If I bought a headphone amp with phono sockets, would I still need a preamp?
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Er, that depends on what you mean by "phono sockets." The standard RCA jacks on the back of any consumer audio component, with (typically) a red plastic insert for the right channel and a white plastic insert for the left, are often called "phono jacks." While you can plug a turntable, or any other source, into these jacks, you need one of the following to get any sound out of a turntable:
-An outboard phono preamp, which as mentioned, range from about $30 on up; or
-A receiver/integrated amp/preamp with a proper phono input.
Either does two things to the signal from the turntable: amplifies it (as the signal coming off a phono cartridge is very minimal) and applies the right RIAA equalization to the signal so that it sounds correct.
A long-winded answer, but just because your headphone amp has "phono jacks" on the back of it does not mean that you can plug a turntable into it. You still need a preamp.
I suppose it is possible that someone has made a headphone amp specifically designed for vinyl playback and has a phono preamp built into it, but I doubt it.
Here's a bunch of phono preamps available from a popular online source (no affiliation):
http://www.needledoctor.com/Online-Store/Phono-Preamps