The HA-507 is an analogue design with a fully balanced and dual-mono configuration, and two independent power supplies – one ...

There are plenty of tube amplifiers now being manufactured, with a popular choice being headphone amplifiers ... and a Bluetooth connection. The tube circuit is a very conventional anode follower ...

The 6J2 is wired as a triode, and because a common-cathode circuit is designed to drive a high impedance, it’s safe to assume this won’t be a very good headphone amplifier. It’s a simple ...

NAD, Naim and JBL are a few heritage audio brands that have released modern versions of their classic amplifiers.

The GA-10 is an audiophile-grade headphone amplifier that features the SEPP (single-ended push-pull) circuit with eight vacuum tubes, a linear transformer, and direct tube output. The vacuum tubes ...

WANDLA HP is still built around the original WANDLA’s ESS Sabre ES9038PRO D/A conversion chip, complete with custom ...

The $139 Questyle M12 USB DAC/Headphone Amplifier is not without some quirks but ... the limits of negative feedback and current amplification is the more complicated circuit design but has advantages ...

The modernized amps have vintage vibes, but improved style and sound. Every product is carefully selected by our editors. If ...

Born in the Swinging Sixties, Quad’s famous 33 preamp and 303 power amp are back with a revitalized design and a classic ...

The Ultimate Flagship DAC and Headphone Amplifier in One Discover Ferrum’s latest high-end audio innovation, WANDLA HP – a ...

Astell&Kern has taken all of the best features from its top-of-the-line SP3000 player and packaged them in a smaller, less ...

Can we put the Telos 690’s price to one side, just for a bit? We know that’s a hard thing to do given just how much ...