100Wx2 Ovation nx Current Feedback Amplifier PCB set new version 2.0 !

Description

Note : this is the newest revision (v2.0) boards from Mr. Andrew Russell.
This is a PCB set of Ovation nx-amplifier. The circuit and PCB layout are designed by Andrew C Russell of hifisonix.com.
According to the designer's description, "The nx-Amplifier is a 100 Watt RMS output per channel, symmetrical class AB power amplifier, employing current feedback topology to achieve very wide bandwidth and rise fall times of ~0.5 μs. This design leverages the front end of the class A sx-Amplifier design published in July 2012, retaining the CFA topology and uncomplicated circuit design, but with a class AB output stage which enables it to deliver much higher output power."
The full documentation can be found in Andrew's hifisonix website.
These are the exact boards as in the gerber files Andrew released on his website.
We are authorized by the designer to manufacture and sell his boards.
Each set consists of two amplifier PCBs and one PSU/protection PCB. Each amplifier PCB serves one audio channel, and each PSU board serves two audio channels so in total there are three boards in this listing for stereo or two channel application.
PCB thickness : 1.6mm
Copper thickness : 75um( 4 times standard thickness)
Surface finishing : Gold-plated with solder resist coated on both side for best reliability.
The construction  details, schematic and part list can be downloaded from hifisonix website.
We do air shipping worldwide at US.50. We welcome combine shipping.
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