Not only is the ST-70 regarded as one of the most popular tube amplifiers of all time, it’s still widely sought after by vintage-audio enthusiasts. The Dynaco Stereo 70 was produced from 1959 to 1977.

A 6-pin plastic base with top contact, domed envelope. Stamped: “1F6 / Sylvania / Made in U.S.A. / [logo] / T0R”. Donor’s card reads: “Twin diode sharp cutoff pentode made by the Sylvania Corporation ...

Location Currently not on view Credit Line from Susan Horle date made ca 1941 ID Number EM.313841 catalog number 313841 accession number 195337 Object Name Electron Tube pentode diode Measurements ...

First made in 1959, this is the best-selling tube amplifier of all time. Every product is carefully selected by our editors.

We present a comparative study of device degradation for conventional n- and p-channel MOSFET's. The experimentally determined features of degradation are investigated with a 2-D simulation including ...

Munro's Modern Navigational Aids, Gyro Compass, Free Gyroscope, Precession, Pendulous Gyro, Latitude Correction, Sperry Compass, Mercury Ballistic, Rolling Error, Damping, Degrees of Freedom, Auschutz ...