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- Class A Headphone Amplifier
- in offer until Dec 31 ....you save 149 US$
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Max Output 1.5W on 16 Ohms, Swing Max 16Vpp, Bandwidth DC-100 Khz, THD 0.003% Size 10"x10"x2"
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BUT, have you heard the one about a chain being only as strong as it's weakest link? The same principle applies to sound systems. If your budget won't stretch further than a hundred dollar pair of Grado SR-80i headphones (a great bargain, but many people want more comfortable ear pads) and a hundred dollar DVD/CD player, try a hundred dollar Fiio E-9 headphone amplifier. If you're planning on getting better headphones than hundred dollar Grados, the folks at Head-Fi (dot org) think a lot of the two hundred fifty dollar Matrix M Stage amp.
I've got a 20 year old six hundred dollar Rotel CD player for well recorded CDs, a four hundred dollar Onkyo player for SACDs and a five hundred dollar Oppo for DVD-Audio discs & the DTS Master Audio tracks on Blu-ray movies. I've also got three pairs of headphones in about the three hundred dollar price range: Beyerdynamics DT-880 (super high resolution, excellent for understanding the dialog in movies even with loud music & sound effects), AKG K-702 (really brings out the joy of music and all the subtle little sounds that you couldn't hear before, plus has an extra wide speaker-like soundstage) and Denen D-2000 (unlike the other two, very deep bass and flat frequency response, but I like the other two more).
Why not just plug good headphones into the phones jack of your receiver? Because it will sound horrible compared to even a Fiio E-9 headphone amp plugged into the tape output of that same receiver. I've heard that some older receivers are an exception to this rule. I've also heard that the flying saucer people built the Egyptian Pyramids.
MP3 IS HIGHLY "COMPRESSED". (Google it if you don't know.) If your only source of music is an iPod, put uncompressed tunes on it before even thinking about an amp like this one. You'll need an adapter to get a separate line output jack for your iPod, instead of just the phones jack.
This RudiStor NX-03 amp has so little noise and distortion that it can be used with extremely sensitive IEMs (inner ear monitors). Those are the only headphones that partly go inside your ear canal. BUT REMEMBER TO TURN THE VOLUME DOWN BEFORE YOU PLUG YOUR IEMs IN. They usually can't take much power. You want music coming out of them, not smoke. Not to mention the damage to your hearing if you're wearing the IEMs at the time.
My Beyerdynamics A-1 amp sounds the same as this amp with 250 ohm Beyerdynamics DT-880 phones, but not as good with the 62 ohm AKG K-702 phones and terrible with a pair of 25 ohm Denon D-2000 phones. I think that's mostly due to the high output impedance A-1 amp only matching high impedance headphones. My Headroom Micro amp (three hundred bucks at the time) can sound fairly good, but only with a pair of Grado SR-80 phones, probably due to higher resolution phones making the faults in the Micro amp more audible.
This amp is about 9 1/2 wide by 2 inches tall. The body is about 9 inches deep plus however much your audio interconnect plugs take in the rear.
Whatever gear you have, I hope that you enjoy your music and movies.