I am selling two of these UCD 400 AD modules with precision 12 Volt supplies. The modules were used for testing and they are being sold as secondhand.
The pictures show four modules and external regulators, this is because I had planned to sell all four as one lot. Most buyers however would want only two, so they're now for sale as pairs.
They have had the original voltage regs removed and have been set up for use with precision external regs. The precision regulators give a much lower noise floor and offer substantial gains soundwise.
These modules are not for beginners or novices. They are for users who know how to implement them.
The UCD modules are used the world over for some very serious and high end equipment, with prices to match.
Have a look at Hypex.nl for some implementations of their modules, there is no reason you cannot build equipment that sounds every bit as good for a fraction of the price.
Half of the so Called "Boutique" manufacturers use generic cases and off the shelf parts, then charge you a fortune to stuff them in a box.
Do yourself a favour and build your own "Giantkiller" power amplifier.
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