push pull tube
61Oscilloscope history — This article discusses the history and gradual development of the Oscilloscope. Contents 1 Hand drawn oscillograms 2 Automatic paper drawn oscillograph 3 Photographic oscillograph 4 …
6212AU7 — is a miniature 9 pin medium gain dual triode vacuum tube. It belongs to a large family of dual triode vacuum tubes which share the same pinout (EIA 9A). 12AU7 is also known in Europe under its Mullard Philips tube designation ECC82.The tube is… …
63EL34 — The EL34 is a vacuum tube of the power pentode type. It has an octal base (indicated by the 3 in the part number) and is found mainly in the final output stages of audio amplification circuits. The American RETMA tube designation number for this… …
6412AT7 — is a miniature 9 pin medium gain dual triode vacuum tube popular in guitar amplifiers. It belongs to a large family of dual triode vacuum tubes with share the same pinout (EIA 9A) and of which 12AX7 is the most proliferous type.Compared to the… …
65EL84 — era.It was developed to eliminate the need for a driver tube in radios, and has rather more gain than is usual in a power pentode, producing full output from a relatively small drive signal. This eliminated the need for one preamplifier triode in …
66KT88 — vacuum tubes, or valves, are used in the power sections of tube amplifiers. The KT88 is a beam (kinkless) tetrode tube, fitting a standard eight pin Octal socket, with similar pinout and uses as the 6L6 and EL34. It was manufactured in the U.K.… …
67Commuter rail — The Long Island Rail Road operates electric and diesel service into New York City …
68Wireless World — was the pre eminent British magazine for radio and electronics enthusiasts. It was one of the very few informal journals which were tolerated as a professional expense. History The Marconi Company published the first issue of the journal The… …
69Ampli-op — Amplificateur opérationnel Pour les articles homonymes, voir Amplificateur. Des amplificateurs opérationnels …
70Ampli op — Amplificateur opérationnel Pour les articles homonymes, voir Amplificateur. Des amplificateurs opérationnels …
