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Gradska knjižnica grada Donjeg Miholjca

The Williamson Amplifier : A Collection of Articles, reprinted from ˝Wireless World,˝ on ˝Design for a High-quality Amplifier˝

E-građa, knjige Vrsta gradje
Naslov
The Williamson Amplifier : A Collection of Articles, reprinted from ˝Wireless World,˝ on ˝Design for a High-quality Amplifier˝ / D. T. N. Williamson. -
Impressum
London : Iliffe and Sons, LTD., 1953. -
Materijalni opis
39 str : ilustr., tablice, sheme. -
Napomena
Reprinted from ˝Wireless World˝
digitalizirana knjiga - Izvornik u knjižnici POINT d.o.o. Varaždin.

Introduction

Introduced by Wireless World in 1947 as merely one of a series of amplifier designs, the ˝ Williamson ˝ has for several years been widely accepted as the standard of design and performance wherever amplifiers and sound reproduction are discussed.
Descriptions of it have been published in all the principal countries of the world, and so there are reasonable grounds for assuming that its widespread reputation is based solely on its qualities.

This booklet includes all the articles written by D. T. N. Williamson on the amplifier.
Both the 1947 and 1949 versions are reprinted, as the alternative output transformer ratios cover a wide range of requirements.
Modifications and additions include pre-amplifier circuits and an r.f. unit, with recently published information on adaptation to high-impedance pickups and correction for 33J r.p.m. records.

We would stress the importance, if the full potentialities of the amplifier are to be realized, of following the author’s recommendations in detail.
Even in the U.S.A., where several modified versions have been described, many users adhere to the designer’s exact specification with the original valve types.
It is not the circuit alone, but the properties of the valves and such components as the output transformer,
together with the welding of theory and practice into a rational layout, which produce the results.

Editor, Wireless World.

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