You may have seen me write elsewhere that the Fender Princeton is, in my opinion, the best tube amp overall. It’s just the ...

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 ...

It’s a conventional tube amplifier circuit in which the triode is a preamplifier for the pentode power output stage. The pentode is running in class A mode, and the high impedance of its output ...

If you're like Danish Pete and looking for a compact single-channel head for '60s British-style cleans and overdriven '70s ...

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.

says Sewell. Under the hood there are a pair of Tube Amp Doctor 6L6 power tubes, plus six 12AX7 / ECC83 tubes in the preamp. The Lead channel is controlled by Treble (with ‘Pull Overdrive’ for ...