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Topic: Hypex Class D 400 watt RMS modules |
Greg Cutshaw
From:
Corry, PA, USA
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Posted 17 Jan 2007 1:22 pm |
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Here's a DIY article on these economical Class D modules. They can be bought and assembled by just about anyone who can read instructions and solder. There's an excellent discussion of what Class D is (NOT Digital!). Audiophiles have given this licensed technology rave reviews for warmth and the specs for frequency response are maintained regardless of speaker load. They are pretty compact, and if well ventilated can be convection cooled. The UcD400ST 400 watt RMS module goes for $130 Euros and the UcD supply ST power supply for it goes for 65 Euros. They can be ordered online and I am considering getting a set of these to try in a speaker cab. Anyone else try these out yet? Looks like a set of these would outperform a Stewart 1.2 but you could mount them in your speaker cab and save the rack weight and space.
Do It Yourself Article
Visit phpBB! , then go to web shop for ordering.
Greg |
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Jay Ganz
From:
Out Behind The Barn
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Posted 18 Jan 2007 12:22 pm
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Boy...I'd be surprised if anyone on the Forum has tried one of these. They sure do look like the wave of the future.
How the heck did you find out about the darn things? Are you going to assemble your own if you take the plunge?
So, let's see.....how does Euros translate to Dollars again? |
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Greg Cutshaw
From:
Corry, PA, USA
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Posted 18 Jan 2007 1:03 pm
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1 Euros = 1.2942 U.S. dollars as of 1/18/07.
If nobody else was pursuing these, I would! I believe someone else already is, on this forum, and I would prefer to let them do the work since they are a bit ahead of me. These things are cheaper (if you do it yourself!), warmer sounding and run cooler than a Stewart World 1.2 amp which has a digital switching supply but not a Class D signal path. 400 watts of world class power for $300 or so. These things go into high end audio equipment costing $5k and up. Philips licenses the technology and has the patents on it. TI has something similar but there specs are not independent of the load presented to the amp.
Wiring up an amp module, power supply and a toroidal transformer would be a snap. They even give you the connector kit and full wiring instructions.
Integrating it into an enclosure with proper cooling and getting that enclosure tuned to operate properly would be a lot of hours of hard work, many prototypes and much user feedback and not a lot of profit for a while.
With these high end modules and neodymium speakers we could for example use a smaller rack case with less weight in it and have ultralight powered cabs. I just thought a few people would get a kick out of reading about this technology!
Greg |
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