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F.Audio AM01 Headphone Amp

F.Audio AM01 Headphone Amp

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Product Description
Engineered for flexible, high-fidelity amplification, the AM01 Headphone Amp from F.Audio fits a lot of features into a compact form factor. Starting with the amp circuit, the AM01 houses two OPA564AIDWPR and five OPA1612AIDR operational amplifiers to deliver low harmonic distortion and low loss, with impressive detailing across all frequencies Read More

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clevername
24
Aug 30, 2020
Did anyone else cancel their order and order the new magnius for an extra $50? I went for it once I got the delay notification.
(Edited)
verifonix
1166
Aug 4, 2020
To all who claimed this is an "unbelievable" deal, apparently it is nowhere near real SP200 and gets driven into clipping quite easily, resulting in this mess. So buyer beware, I hope you don't need it near max power because it will sound bad.
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(Edited)
verifonix
1166
Nov 15, 2020
F.Audio uses bad parts, bad/fake op-amps, and the performance shows it. Unless at low volumes, it starts to clip and distort....
rslatara
281
Mar 27, 2021
It actually sounds alright but the gain is too high for sensitive IEMs
antdroid
364
Jul 27, 2020
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Made some external mods to this amp, and now my review: https://www.audiodiscourse.com/2020/07/faudio-am01-headphone-amplifier-review.html
MariuszStark
25
Jul 27, 2020
Thanks for the link and getting that shaft size so quickly. Most 6mm knobs should fit then. Seems like the knob you chose is probably max size you can fit on it. Very nice upgrade. I hate tinny, flimsy knobs with poor location indicators or non at all. 👍
BigBallBag
100
Aug 13, 2020
How would one go about removing the knob and installing a new one?
MariuszStark
25
Jul 26, 2020
THX/SP200 clone or not, makes absolutely no difference on my purchase decision. Based on specs and ability to opamp rolling, it’s a sound purchase for budget minded individual. I don’t expect it to rival my 2K tube amp. But as far as SolidState amps go, it should satisfy most headphone enthusiast. And for ridiculous $159, this might be the best deal of 2020. It might be possible to get some positive sonic benefits by swapping Op-amps for something more exotic like Burson Audio Supreme Sound opamp V5i (Drop should try to get those at discounted price BTW) but that’s very subjective as we all perceive “musicality”/accuracy differently. PS Dear DROP, pls try to source out quality opamps for our tweaking pleasure. It would be greatly appreciated. 👍
MariuszStark
25
Jul 28, 2020
Impressive specs for such a tiny amp. Preamp and extra low gain setting is definitely a plus for IEM users (I’m not into IEMs myself). If those features + power in small package is what you need then perhaps it might be reasonable to wait and get that little wonder. AM01 suits me a little better with wide headphone output connection choices and both single-ended and XLR ins. It will let me use my Dragon Inspire IHA1 as a tube preamp on occasion for a bit of color and my hi-end dac via balanced ins. So it comes down to what you really want and how you gonna use it I guess. Certainly there will be something “better”, cleaner, more powerful etc next year but for now, it’s good enough. At least for what I personally, need it for. And it’s only $159! Some pay that much for silly cable “upgrade”. 🤣👍
(Edited)
Oyuki
98
Jul 29, 2020
I have Topping A90. Topping L30 is also powerful. I want a combination with E30.
scottlu
344
Jul 26, 2020
 32 watts at 32 ohms, maybe this number is fake. 32watt really need a big heat sink.
verifonix
1166
Jul 27, 2020
Yeh, impossible.
J_December_why
479
Jul 25, 2020
32 watts @ 32ohms :::===>>> ZOom Rocket Powerrrr.....
KW42
3
Jul 25, 2020
We got a clone of a rip-off, boys
jgp1212
289
Jul 24, 2020
Wow opamp swappable thx amp?
jgp1212
289
Aug 14, 2020
I dont see why not, No Idea if it would fix the graph though.
rslatara
281
Mar 27, 2021
Yes but it doesn't like certain combos.
dpump
33
Jul 23, 2020
Can anyone who has experience with the SP200 comment on the gain settings of this amp since they are the same as the SP200. I remember reading some comments on the SP200 saying there was some noise on low gain with sensitive phones and iems and not much usable range on the volume control and too much gain on the high gain setting. Both amps are speced at +6dB on low gain and +18dB on high gain.
(Edited)
HamishtheDog
69
Jul 24, 2020
Here is a link to the SP200 measurements on ASR: https://www.audiosciencereview.com/forum/index.php?threads/review-and-measurements-of-smsl-sp200-thx-hp-amp.9242/ I have used some fairly sensitive iems (16ohm 98bd) with my SP200 and haven’t noticed any noise. Measurements showed it has a SNR of around 83db when at a very low 50mv output. I do typically reduce the output level from my DAC so that I can use more range of the volume pot on the amp. If I were to do full volume out of the DAC, I’d be extremely uncomfortable before I could get 3/4 of the way on low gain, even with HD6XXs. I mention this to give you an idea of the power output. Without seeing any third party measurements on this particular model, it would be hard to say how well it would work with high sensitivity / low impedance IEMs.
In my focal elex there’s nothing but a dark background meaning zero noise on low gain & high gain isn’t necessary since the amp is already a monster
A serious question though, is the output wattage for balanced or unbalanced connections?
racheski
224
Jul 24, 2020
Convenience for XLR and 4.4mm cables.
(Edited)
HamishtheDog
69
Jul 24, 2020
If this is indeed a clone of the SP200, it has exactly the same output power regardless of the connection. It has enough power and such low crosstalk that being truly balanced would make zero audible difference.
(Edited)
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