The company’s newest headphone amplifier, the Valhalla 3, isn’t just a new-and-improved version of the Valhalla 2, which had ...

The pentode is controlled with the pre-amplified signal and acts as a power amplifier. [Marcel]’s amplifier also uses a PY88 tube rectifier instead of semiconductor diodes, making it an entirely ...

The power amplifier section also makes use of 2P29L tubes, which have similar characteristics as far as power draw is concerned. Normally, vacuum tubes rely on a resistive heater to eject ...

tubes, two ultralinear output transformers and one power transformer. Unlike its previous amplifiers, the Dynaco ST-70 was a ...

Like Folkvangr, the Schiit Valhalla 3 operates as a OTL/OCL design—no output transformers, no capacitors in the signal path. Translation: your headphones are getting raw tube power straight from the ...

The Chord Electronics Suzi series proves you don’t need a full rack of gear—or a second mortgage—to get high-end sound at ...