At the time, iffy reliability and even more disappointing tones from many products — including several by big names like ...

Some amp builders prefer to modulate preamp valve bias ... The later circuit does the same job, but the oscillator feeds a cathode follower that drives a 12AX7 stage configured as a phase inverter.

The circuit is a pretty conventional single-ended one with a two stage double triode preamp and a single power output tube. The transformers are usually the difficult part of a build like this one ...

As with many inventions, two people had the idea for an integrated circuit at almost the same time. Transistors had become commonplace in everything from radios to phones to computers, and now ...

This forms the basis of [Ratti3]’s amplifier, but with the added interest of a battery supply and a Bluetooth connection. The tube circuit is a very conventional anode follower using an EF95 ...

An electronic circuit that amplifies and equalizes the analog output of the cartridge in a phonograph turntable. The output is boosted to a level equivalent to other audio sources such as tapes ...

An electronic circuit or stand-alone device that boosts microphone input. A mic preamp is used to adjust the volume of the signal sent to powered speakers or an amplifier. Unlike a phono preamp ...

October 2024 Whether you’re building a stereo audio system with a brand-new pair of bookshelf speakers or an old set salvaged from a relative’s attic, you need a stereo amplifier to power them.

Whether you’ve got 10 minutes or a full hour, this guide will help you map out a circuit training plan so you can easily tailor sessions to fit your unique goals and timeframe. Meet the experts ...

Designers can make useful products that include electrical components close electrical componentA device in an electric circuit, such as a battery, switch or lamp.. They allow a product to have ...

In this episode of The Circuit, Emily Chang visits the defense entrepreneur who argues companies like his are critical to America’s future. In this episode of The Circuit with Emily Chang ...