The UcDHG amplifier module is a self-contained high-performance class D amplifier intended for a wide range of audio applications, ranging from Public Address systems to ultrahigh-fidelity replay systems for studio and home use. Chief distinguishing features are flat frequency response irrespective of load impedance, nearly frequency-independent distortion behaviour and very low radiated and conducted EMI. Control is based on a phase-shift controlled self-oscillating loop taking feedback only at the speaker output. This information has been provided to you free of charge for your use but remains the sole property of Hypex Electronics B. In no event will Hypex Electronics B. The information in this package may not be complete or accurate, and the products depicted in drawings, models, specifications, and other types of content may not be to scale, or the most recent version.
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Super Best Audio Friends. Read these "rules" AND introduce yourself before your first post. A healthy approach to understanding measurements Being true to what the artists intended. Tags: hypex monoblock. The build itself is rather simple and very straightforward. So much so that I have to wonder if this really belongs in the DIY section. The biggest hurdle was mounting the UCD modules to the Ghent-Audio case as the case is to low to mount the modules directly to the chassis.
I decide upon a L-bracket and seem to work fine, while also giving plenty of clearance around the module. I have now tested them a while and have been very pleased with them. Last edited: Jun 29, Poleepkwa , Jun 29, Lyander , freedomgli , Jeb and 6 others like this.
Poleepkwa likes this. Still kinda sorta wanna put together an 8 channel rack mount amp for my PA system. What's with the crazy purple glow in the side picture Armaegis , Jul 1, Hrodulf , Jul 1, Poleepkwa and Priidik like this. Nice too see the interest in this project.
I had a good time building these amps. It was a fun and educational project. I will expand here on the process, for those considering building something similar, but do not know how to start. Warning: Electricity can kill. Some ears I trust have said they feel that while the Ncore are better sounding, the current UCD's are better value That said , if I was building this for stereo usage only I would probably have bought at the Ncores instead of the UCD Since my future plans include replacing my receiver with an AV-preamp and run all UCD power amps, which can be build as needed and expanded to include Dolby Atmos, etc, I started with the power-amps for the fronts.
I can neither confirm nor deny this as I have not hear the various versions side by side. Those lights sure are pretty though when they startup. I wanted monoblocks - mainly because of ease of building and cooling. This pushes up the price, but it is also easier to find pre-made cases. My research led me to GhentAudio and their cases. I might be incorrect, but these seem to be the case that Hypex uses in their own kits.
Ghent himself responds quickly to questions and seems very flexible in how these case can be modded. Pricing works out to about euros per mono-block. The Ghent case is not directly compatible with the UCD, meaning the module it cannot be attached directly to the case via its heat sink. Ghent do provide did pre-drilled holes for the UCD, however then a separate cooling heat sink would be needed.
I felt this gets needlessly complicated. In my case I decided to use a 4 mm aluminium L-Bracket. I drilled the holes to attach the UCD module and then holes in the case to mount the bracket too.
The build itself is really simple. Hypex themselves have proven to be an excellent resource and have assisted my many questions and also provide a safety check for the build. Follow the instruction and it really is very self explanatory.
A few point to keep in mind: - The SMPS does have mounting holes-pre-drilled - one of the contact points cleaned up from paint in the caseto ensure a proper found connection with the metal spacer of the SMPS Make sure it is orientated correctly.
Having tested these for a while now, I am very pleased with the sound- quality on these in my setup. Conclusion: The UcD's have proved to be a sound, solid device, absolutely stable. The louder the better it sounds. Nice detail in the upper end. No compression with going loud, it simply seems "unflappable". Simply a clear step up from the amplification in my Athem receiver. Many here find it "un-listenable".
A bit too workman like in approach, a bit too straight in the edges. For me these are a great compromise between power, flexibility, and expand-ability. Last edited: Jul 3, Poleepkwa , Jul 3, Joshvar likes this. Hrodulf , Jul 3, Cool project. Are you still enjoying them today? They can be run full range or as dedicated sub amps. My dad is a woodworker and helped me make the cases for them. I still do! I really do not see myself changing it anytime soon.
Very nice looking cases! I have made something similar for my Plateamp that powers my subs. Those amps of yours are using torodials, so I guess they weight quite a bit? How do you like the sound for full-range? Poleepkwa , May 19, You must log in or sign up to reply here. Show Ignored Content. Share This Page. Your name or email address: Do you already have an account? No, create an account now.
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UcD400HG with HxR
A while back I decided to build a proper power amplifier for my setup. I wanted it to be very good sound-wise, but also quite powerful since my speakers like a lot of power. Hypex recommends that the LMs used as buffers be powered by off-board high quality power supplies, so I decided to go that way. With all that in mind, I purchased a 2U aluminum chassis from modushop. Yeah, I know.. I designed the circuit and the PCB in Diptrace. Next up was the rear of the chassis.
Hypex UcD400HG Power Amplifier
User Name Stay logged in? I think this amplifier sounds amazing for my studio monitors, and have decided that I must have one in the living room as well. The specs speak for themselves, but how does this translate into practical terms? I currently own the following relevant speakers: ProAc studio for mixing , PMC LB1 for mastering and 90s Seas Argon large, full-range, very enjoyable and fairly inexpensive, for the living room For loudspeakers at this level, will I even notice the difference between the two amplifiers? Class A or not, is there anything else in the price range that is regarded superior to the Hypex?
Hypex UCD400/SMPS400 build
A decisive leap in Class-D amplifier technology. Hypex was founded in as a supplier of plate amplifiers for live sound loudspeakers. The products drew the attention of hi-fi speaker manufacturers, resulting The SMPS is a high efficiency, switch mode power supply specifically designed to be used in combination with our modules. Key features include high efficiency over the entire load range, extremely small form factor, low weight