DIY: EL34 Twin Coupled Stereo Tube Amplifier Posted bysierraclassiccaraudioJune 23, 2014June 23, 2014Posted inDo It YourselfTags:12AU7, 12AX7, antique electronics, audiophile, diy, EL34, hi fi, push-pull, tube amplifier, tube audio, tube stereo, twin coupled, vacuum tube, vintage audio, vintage electronics Feature from October 1960 issue of Radio-Electronics magazine. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr Share on Reddit (Opens in new window) Reddit Share on Pinterest (Opens in new window) Pinterest More Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Like Loading... Related