Audiophile tube amplifiers can sell for as much as a nice car, but the Jolida JD301RC goes for less than an iPad 2. Steve Guttenberg Former contributor Ex-movie theater projectionist Steve Guttenberg ...

Much like vinyl records, tube amplifiers are still prized for their perceived sound qualities, even though both technologies have been largely replaced otherwise. The major drawback to designing ...

Sure, it's a tube amp, a single ended one, and it will give you the audiophile quality sound you have been looking for. I mean, it has a frequency response of 10Hz all the way up to 100kHz, input ...

Smooth treble and warm midrange. Good bass output for power rating. Solid build quality, heavy. At maximum output, sound is still tolerable. All of the sonic advantages of tubes. AV123 is of a new ...

Having built a number of vacuum tube output transformer-less (OTL) amplifiers in recent years, it seemed as though it might be a good idea to try combining older with newer technology and using both ...

We earn commissions from purchases you make using links in our articles. Learn more. For many car owners, the stock stereo just won't cut it and thankfully there are plenty of cost-efficient ways to ...