The official nad c658 thread page 39 avs forum home. We would like to show you a description here but the site wont allow us. The hg uses better components and the hxr bit means discrete regulators for the driver circuits. The ucd400hg hxr amplifier module is an entry level highend class d amplifier, with hxr upgrade from hypex. I have been looking at the hypex vcd180 hg series which offers amazingly good value for money, it also gets very good. They sounded the same so price is an important issue. A benchmark dac1 feeding hypex ucd400hg with hxr monoblock amps into tyler acoustic decade d1 speakers. Oct 26, 2008 in this test of various digital amplifiers 2008 class d amplifier comparasion test the icepower was bottom of the pile. Hypex electronics develops and manufactures amplifiers, supplies and dsps with the highest possible quality in mind. A relay switchbox selects which amp is connected to the speakers with an led to indicate which one was hooked up. I also decided to use matching switching mode power supplies by hypex, the smps400a400.
High efficiency power amplifier module oem version. Do not use cut wire at the ucd signal cable to connector j1. Selected for the finalists of 2014 tabby awards business. Exodus audio speaker kits, loudspeaker design services, sub. Our goal is to perform research that is fundamental and analytical in nature, applied to a portfolio of nonlinear circuits and systems with applications in areas such as sensing, energy harvesting, power management and communications. I used 2 x ucd400hg amp modules and 2 x smps400s 1 will work, but 2 is better. Get the best deals on hypex when you shop the largest online.
But im confused, you say above that the 2x4hd has higher output level, but the manual says its the same 2v rms as the 2x4 balanced can do using unbalanced output configuration. This technology was developed and patented for philips by the cerebrally adept belgian engineer bruno putzeys. From there, the step to hifi subwoofer production was a quite obvious one. We will be able to take custom orders for two through five channel builds and have a low turnaround time. Hypex ucd400hg module amplificateur 400w audiophonics. Hypex ucd amplifier modules are selfcontained highperformance classd amplifiers intended for a wide range of audio applications, ranging from public address systems to ultrahighfidelity replay systems for studio and home use. Hypex was well aware of that but found the right man for this task. Believe the hypex, classd diy amplifier ucd, universal classd. The hypex is claimed having a voltage gain of 20 26 db. Mar 01, 2019 ive built at least a dozen pcs over the past 25 years and never seen anything like it. Hypex recommends that the lm4562s used as buffers be powered by offboard high quality power supplies, so i decided to go that way. The hg series ucd amplifiers are highend versions of the ucd180st and ucd400st amplifiers. So youve built 12 gaming pcs in 25 years for an average life of 2 years or so. The ucd400 oem amplifier module is a selfcontained highperformance class d amplifier intended for a wide range of audio applications, ranging from public.
What pdf editor alternative to adobe do all the experts such as. When the module is used in a closed case, provide enough airflow by means of ventilation slots etc. Hypex diy class d audio amplifier ucd400hg with hxr. Hypex electronics ucd180 amplifier ss by maxlorenz looking for a new amp or preamp. Being impatient i hooked them up birds nest fashion and gave them a quick blast. The ucd400hg amplifier module is a selfcontained highperformance class d amplifier intended for a wide range of audio applications, ranging from public. Another issue is the opamp input stage of the hypex oem and st modules, if you use the inputstage with its supply from the smps then the background is not so quit and the highs are not so steady as with a conventional powersupply. Although hypex ucd modules are based on very efficient classd technology, additional cooling is a must.
The ucd400hg amplifier module is a selfcontained highperformance class d amplifier intended for a wide range of audio applications, ranging from public address systems to ultrahighfidelity replay systems for studio and home use. Thanks, if i need to add buffers i may as well save the extra cost of doing that and purchase a 2x4 hd as you recommended above. Hypex amplifier project successfully completed avforums. Hypex ucd400hg hxr 1x400w universal class d amplifier module. By using a model, the user agrees to absolve hypex electronics b. But the latest pmcs use an amp very similar to what the digidesign rm1\2s use. Ucd and ncore modules are well known to be one of the best amplifier modules available today. Hypex bought the technology from philips, and hired its mastermind bruno putzeys away. Hypex was founded in 1996 and started producing active pa speakers.
In order to be able to sell kits using classd technology, hypex licensed the most promising classd technology to date. Hypex ucd mb specifically designed for single hypex ucd amplifier module with asps power supplie, these hypex ucd mono block enclosures allow music and audio enthusiasts to experience the simplicity of the highly acclaimed audiophile grade hypex ucd technology. Development of class d amps is a task for specialists. I believe he said it was not a hypex amp although hypex do produce amp modules for oem use. Sander sassen has a good write up of the hypex products at. Not had a single problem with it, except for a slightly sticky power switch. After a lot of research, i settled on using hypex ucd amplifier modules, in my case the ucd400hg. I also decided to use matching switching mode power. Ive got some whopping great heat sinks to mount them to anyway, so they should be fine.
Hence we are involved in some of the most highend audio applications found today. Im selling my hypex ucd180hg amplifier with upgraded hxr regulators. Mounting the modules on a sheet of aluminium will provide enough cooling for use under normal conditions. Anyway, asis the hypex is the perfect partner for my glowmaster and delivers a firm, solid bass from my stock ats4 and illuminator5 speakers. This is the latest high grade series module with upgraded hxr regulators and has trickle down technology from the hypex ncore m. Hypex ucd180ad versus yamaha a700 so using the setup described above of the marantz cd67se cd player sent digitally into the marantz sr4500 receiver in pure direct mode and then sent from the preouts to the hypex and yamaha amps. Hes all over the forums, helping people tweak stuff. Vertical editing is useful when you want to enter the same text into multiple lines. As an option for the above described hypex modules you get the voltage regulator modules hrp12 and hnr12 from hypex. Dec 15, 2010 i now have a pair of hypex ucd400hg with hxr amplifier modules along with a pair of matching smps400 modules.
They happen to be quite similar monitors to the pmcs too and are indeed, built by pmc. Some thoughts on high resolution audio processing gearslutz. Hypex ucd 180st retired after suffering injuries in the course of dutyaka death by butane iron hypex. Hypex ucd180hg hxr amplifier diy solid state audiogon. Chief distinguishing features are flat frequency response. The hypex amps are class d, very efficient, so despite the power they apparently run very cool. Later, hypex adopted philips ucd technology and finally, after the decision of becoming one of the major players in class d products design, hired bruno putzeys, the original ucd designerinchief. Even the dtqwts dont object to this combo despite seriously overkill in terms of power requirement. Right now im running a hypex ucd400 based amp for about 78 years and i still love it, but im thinking of upgrading it because back then there where no high grade versions of the ucd400 available so its the basic version also running a trafo based psu, but with high grade regulators.
459 233 274 1441 11 1016 373 474 657 57 1377 1122 1177 1264 320 281 123 1215 23 192 1400 192 1310 410 1237 41 749 268 336 625 1075 740 331