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 ...

There are a small handful of old tubes that need an impressively low voltage to work, though, and [J.G.] has put a few of them to work in this battery-powered audio tube amplifier. The key to the ...

It's old, British and cool, and you might even be able to pick up one for 500 bucks. But with its edgy Vox, underpowered ...

For musicians and audio enthusiasts, tube amplifiers deliver a warmth and dynamic quality that many consider unparalleled, ...

A Tube High Fidelity heeft voor u een door inruil verkregen MM/MC phono pre-amp van Lehmann Audio in de aanbieding. Het gaat ...

One of the most creative yet reliably great-sounding effects makers out there, Crazy Tube Circuits is the brainchild of ...

At least one SET amplifier has a retail price under $500 USD, and there are others with prices a few dollars to a few hundred dollars more. The Zen is a small, simple, stereo, vacuum tube power ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

I have always wondered what a real muscle amp would sound like in my system, even before Musical Fidelity started telling us that we need hundreds of watts to produce decent music. There's something ...

It utilized four EL34 output tubes, one GZ34/5AR4 rectifier tube, two 7199 input (driver) tubes, two ultralinear output ...

If you own the British amp brand's new Debut 100R 1x12 and 2x12 combos, check your serial number now to see if yours is ...