Figure 2: Capless Class AB headphone amplifier circuit with mid rail bias amplifier and output signal illustration. This design has the advantage of removing the large and sometimes unreliable ...

After that, the audio is brought up to volume by an op-amp style headphone amp circuit. Side note: I wrote up a few short notes on the Sidekick LX I got today, if you dig that sort of thing. permalink ...

That vastly lower power requirement means that a headphone amplifier circuit has to be engineered to excel at low signal levels, and many simply aren’t designed to do that. Even affordable offerings ...

Based on the headphone amplifier circuit in the all-analog, 24-input Neve 5060 Centerpiece Desktop Mixer, the Rupert Neve Designs RNHP ($499, £429, AU$849) is a reference-quality headphone ...

There’s a hidden gem on eBay and Amazon: the Yuanjing 6N11 headphone amplifier. Out of the box it’s OK, maybe even above average. With a few modifications, it becomes a really great-sounding headphone ...

The amplifier is powered by a high-performance toroidal transformer, with a pair of the company's Unity Coupled Circuit transformers custom designed to match the tube amp output section. The Unity ...

Described by Naim as "the ultimate music source for headphones," the Uniti Atom Headphone Edition features a brand new transformer design that powers the headphone amp circuit to allow the unit to ...

The amp has a patented bass boost equalizer circuit that improves low-frequency bass impact without adding bass boom or muddiness. There are three positions on the bass control: Min, Max, and Off.