Onkyo A-9010


I had a few unanswered questions about the Onkyo A-9010 before I purchased one. I was also wondering if it was really as good as What Hi-Fi and everyone else claimed it is. I've seen a few threads regarding the difference between the non-UK versions (with internal DAC) and the so called "British tuned" UK version. I'm a tech and have worked on and designed amps so I don't recommend anyone doing this mod unless you know what you're doing.
So, to start- Yes, these models are ALL the same. The versions you can buy here in the US- usually followed by a (B) for "black" or (S) for "silver"- have the same guts as the famously UK tuned version. Primarily the "four audiophile capacitors" that are Gold tone caps are in all of them. As a side note I've never seen a manufacture marketing four audiophile caps just because they put some higher grade electrolytics in four spots but that's all good. There's also two small WIMA caps at a critical coupling stage. I'm sure there was more done to "tune" the circuit than just those four caps but I can verity that all models are the same.
Here's the difference- the US version has a Wolfson DAC board inside of it. It's a pretty cool addition for anyone who has a less than stellar CD player with an optical or Coax digital out. It isn't on par with an outboard quality DAC but I found that it sounds quite good on the level of warm and musical and not thin or sizzly at all. My 20 year old Sony DVD 7000 bettered it however with it's internal DAC so I didn't feel I needed it.
If you want to get the full UK version what you need to do is go inside the unit and simply pull the ribbon cable that connects the DAC to the main board. You want to do this at the main board (not the DAC board) so that you don't have an antenna hanging in mid-air. You also want to cover the loose contacts with a piece of tape or tac the cable in place so that it doesn't come into contact with any components down the road. Essentially this will disconnect the DAC from the power supply and the rest of the Integrated amp and remove any residual digital noise. I did notice a very very small improvement when I did this.
I wanted to post this because I saw the question asked many times but saw no definitive answer. So yes, they are the same unit and more importantly, YES, it is a superb sounding integrated by any measure. Maybe 44 Watts isn't enough for the speakers you're pushing but if your speakers are 86 db and up you should be fine.
Without going into too much detail the sound is excellent, smooth and highly detailed mids, great bass (not the final word in bass slam but come on) and very listenable and clean highs. It doesn't have anything that gets in the way of the music like just about anything else in this price range usually does. The important thing is that it's a damn musical sounding piece of kit that makes listening to your music a very rewarding experience. I recommend this integrated without hesitation.
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This integrated caused a fuss when What Hi-Fi gave it 5 stars and raved about it a few years ago. It was quite the endorsement and I understand why. It has the classic Onkyo sound signature which I can only describe as sunlight shimmering on dark water. Black background and colorful sound. Being the tweaker I am tonight I replaced the power chord with something far more substantial. It comes with a pretty cheap appliance chord. I found a similar connector for the inside from an old component. Just this week I got a pair of Epos Epic 2's and although I thought they sounded very transparent I was expecting more bass. The new power chord which is closer to 12 gauge than the 20 gauge it came with did the trick. Suddenly I have solid bass. Now I have to stop myself because it sounds fantastic.
Hi, I'm using Onkyo A-9010 and experience the lack of mid-bass as well. Does replacing power cord really helps to improve the mid-bass response? I thought the original power cord of 2*0.75mm2 (20 AWG) should be enough to suffice this low power consumption of ~150W amplifier, no? If replacing thicker power cord confirmed does helps, I would proceed opening up the amplifier case (void warranty in the meantime) to replace the power cord.. Please advice, thanks
I replaced mine with wireworld mini aurora fig8 cable (some cutting, soldering to reuse the board connector) and noticed a bit more bass. I use the A-9010 to drive Klipsch RP-600M. But the source has a lot more impact on sound then the power cable. When i got the onkyo ns-6170 (steaming deezer - jazz, rock, etc.) the amp and the speakers suddenly found a lot more bass then i exacted and a fuller sound all together.
If you don’t mind voiding the warranty, a better power cord (not just gauge, but twisted and shielded) can only improve things in my opinion.


But the source has a lot more impact on sound then the power cable. When i got the onkyo ns-6170 (steaming deezer - jazz, rock, etc.) the amp and the speakers suddenly found a lot more bass then i exacted and a fuller sound all together.
Thanks for sharing your experience, good to know that and much appreciated.