They are a great way to dip your toe in the water of tube amplifier design, being fairly simple and easy to make without breaking the bank. We’ve certainly featured our share of tube projects ...

But with no sound samples online, when will be able to hear G-Craft Audio’s built-to-order GC-1 3 Band Opto Compressor ...

This amp design uses a plate voltage of 12, although the 12AU7 can handle up to about 330. Since the 12AU7 is of the Twin Triode variety, one tube can be used to amplify both a left and ...

If you want to enjoy Hi-Res audio on the go, then this new music player from Shanling may be one to check out.

LTspice simulation of the K2-W Vacuum Tube Op Amp’s design reveals the mad science that created a commercial revolution in 1950s and 1960s analog computing.