The circuit was designed to create a line preamplifier by acquiring the use of double triode tubes. The circuit comprises of three parts, the main preamplifier circuit with tubes, the input selector ...

If you’ve ever worked with vacuum tubes, you’ll probably have a healthy appreciation for high voltage power supplies. These components require higher potentials to get those electrons moving, or so we ...

When most people think of tube circuits, the first thing that comes to mind is often the use of high-voltage power supplies. It wasn’t a given for tube circuits, though, as a range of low-voltage ...

The three circuits were based on the vacuum tube ECC83 designed to produce phono preamplifiers in compliance with the RIAA standards. Recording Industry Association of America (RIAA) – the trade group ...

Always hankered after a retro-chic McIntosh valve preamplifier and compatible power amp to match? Feast your eyes on this neat new duo. Despite style cues that nod to the firm's 1950s and 1960s design ...

The IR-D preamp pedal takes those Friedman's high-end amp sounds and puts them in a tube-driven pedal, with dual boosts, onboard IRs, MIDI control and effects loop When you purchase through links on ...