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It is a pleasure to introduce the Sutherland Engineering 20/20 phono preamp.
It is AC powered and it is quiet! It starts with separate external AC
power modules for each channel, followed by 10 sections of passive RC
filtering and finalized with local constant voltage shunt regulation.
The 20/20 is derived from the best elements of the PH3D and the Hubble. The signal path is almost the same as the Hubble; the construction is as simple as the PH3D. It has an elegant esthetic of performance, value, craftsmanship and minimalism.
That heritage, however, does not keep the 20/20 design from taking on its own unique character.
First. Everyone wants the advantages of AC power line isolation offered by battery operation. The 20/20 is for the person who wants those advantages, but does not want to mess with batteries. The 20/20 comes as close as possible to offering an equivalence of battery isolation from AC line power.
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