Normally when we hear of a Champ guitar amp, we think of a sweet-sounding rig that puts out 6 Watts through an 8-inch speaker. [John Chambers] of Champ Electronics wanted to build a true champion for ...

During broadcast radio’s first decade, little thought was given to transmitter efficiency. Main concerns of the industry were availability of broadcast spectrum (sound familiar?); keeping transmitter ...

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 ...

The circuit was designed to create a power amplifier circuit that will utilize E80CC and EL34 vacuum tubes for better results while providing 35 Watts of power. E80CC – a special quality double triode ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

Drop unveiled a new innovation in the form of the xDuoo TA-84 OTL Tube Amp/DAC, the first all-tube Output Transformerless (OTL) amplifier introduced by Drop. A company known for its high-quality audio ...

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 ...

Any experience with something like this? The power seems pretty weak, so I'm not sure how big the speakers it can drive could be. Miniwatt N3 A minimalist integrated amplifier with one pair of RCA ...

Schiit Audio — yes, it’s pronounced “shit” — is an American hi-fi company known for making high-end desktop audio components that are significantly more affordable than they probably should be. (It’s ...