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In Reply to: My Hypex Nilai 500 monoblock kit build. posted by Cougar on May 11, 2024 at 13:35:07:
I thought I would share my results with my Hypex Nilai DIY 500kit build. As of this morning the amps have roughly around 80 hrs. of break-in and are sounding pretty good, actually surprisingly good.
This not a review but rather just some feedback. I will do a side by side comparison with my SS Reference amp the EDGE M8 and my Tube amp the VTA-120 that has been upgraded.
So the first thing I noticed after building and testing The sound was surprisingly good at first listen, the most immediate thing I notice was an absence of harshness and and no strain to the music at all. They did sound closed in and with not very much depth or separation of instruments, just kind of reminded me of my SUMO gear back in the 90's. I know this would change so I let the break-in process begin.
So as the hours when by the SQ was changing in small increments and at 20hrs. was starting to open up a little. At 40-50 hrs. things started to get interesting due to the sound really starting to open up. Now at 80hrs. it really sound pretty good and is what I was expecting these amps to sound like.
I first was using it with my DIY SS preamp that I made about 10 years ago with the DIY project from ESP Audio of their High Performance preamp. I didn't order the pcb's but built my own and did a point to point wiring on pcb for proto type building. I used the best components and connector at the time. So with this preamp the Nilais sound really good and I could live with it with this combo. I then connected the Nilai's to my Transcendent Sound Masterpiece 300b preamp and the sound was on a whole other level or two. Very wide sound stage with good instrument separation, good bass with the low mids sounding fuller now. All instruments now sound more real with some weight behind them not then at all.
I was playing slower moving type music more Piano, guitar, and horns and all sound wonderful. So yesterday I was playing some R&B music from back in the late 70's and early 80's, so I said to myself "Lets See What These Amps Can Do!" so I cracked them up to a good level and they did not flinch and did not break up at all. I said let turn them up more and I really pushed them and they didn't change and sound really good with good control of the bass and with the mids and highs still sound nice with no break up. These remind me of my EDGE M8 in this regard.
I will let them keep breaking in to around 120 hrs. and that should give me the sound what they will finally sound like.
As you all now I wasn't that big of a fan of Class D in the beginning due what I heard from a friends Class D Hypex amps back around 2012. But when I tried the Crown XLS amps and let them break-in for over 100hrs, they sound pretty good, so then I knew Class D had came a long way from when I heard those Hypex amps back then. But these Nilai's are very different sounding from what I heard back in 2012.
So I have been enjoying these amps so far and they play everything very well. They seem to drive almost any speaker load, but I haven't tried them with Electrostatic or Planar loads yet. They say they can drive loads down to 2Ω. I know the Crowns can push that with now problem.
Just a heads up, if anyone is going to build the kits or even buy them built, double check the DC Offset's and make sure they are with in tolerance. Mine were a little on the high side, nothing to hurt the speakers but enough of a concern to adjust them to proper levels.
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Follow Ups
- Hypex Nilai DIY 500 Kit Update: - Cougar 08:34:40 05/26/24 (1)
- RE: Hypex Nilai DIY 500 Kit Update: - kh6idf 14:27:07 06/03/24 (0)
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