About this gear
The NFB-1 was Audio-GD's entry-level DAC/amplifier combo, offering the company's discrete circuit design philosophy at an accessible price point. This compact unit provided both digital conversion and headphone amplification for budget-conscious enthusiasts seeking an alternative to mainstream Delta-Sigma DAC implementations. Despite its modest pricing, it maintained Audio-GD's focus on fully discrete analog stages and non-oversampling digital filtering.
About Audio-GD
Audio-GD is a Chinese boutique audio electronics company founded by Kingwa He around 2007 in Shenzhen. They specialise in discrete, fully balanced DACs, headphone amplifiers, and preamps built with custom-designed circuit boards — no off-the-shelf op-amps or DAC chips in their flagship products. Eve...
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