audioXpress’ May 2021 Issue Is Now Available

audioXpress‘ May 2021 issue features the new original Western Electric 300B vacuum tube, Using Chaffee’s method of load lines, experimenting with tube sound, the Cranberry versatile stereo tube amp, and determining the real output current for Op-Amps. Other excellent articles within this issue include vibrato and tremolo, measuring vibration with piezoelectric sensors (part 2), noise is everywhere (even MC input transformers), plus the science and physics of high-end mic-preamp design (part 4). Within his editorial, J. Martins says, “The original Glass Audio periodical was launched in 1989 and was published twice a year by Edward T. Dell Jr. “in the interest of high-quality audio reproduction using vacuum tube technology. Issue ‘0’ was published in 1988 to promote and introduce the new concept, generating useful suggestions from readers —  and the positive response encouraged Ed Dell to move ahead.”