In keeping with tradition, Reverb has published its best-selling gear lists for 2025 – and the roundup of the most popular ...

ANAHEIM, Calif. — Guitar amp maker Fender Musical Instruments Corp. has come up with a unique brand of analog reconfigurability in a bid to create a universal amplifier. The technique is used in ...

There's no denying that vintage guitar amps sound great, but they can be huge, expensive and prone to frequent breakdowns. Digital modeling has been getting better and better over the years, but there ...

After a brief review of the history of the K2-W vacuum-tube op amp, an LTspice model is used to create its schematic in preparation for SPICE simulation. The availability of hierarchical blocks for ...

As immature as it sounds, I was originally suspect of Line 6 products because I did not like the name of their Variax guitar line. (Whew, glad that’s off my chest). But while working on an audio ...

Part 5 provides spec summary of the GP/R K2-W vacuum-tube op amp and discusses measurement constraints/conditions and LTspice modeled output. The K2-W vacuum-tube op ...