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Erläuterungen zu diesen 1959er Seiten

Die hier aus 1959 stehenden amerikanischen Artikel (aus der US-AUDIO) sind teilweise sehr gewöhnungsbedürftig, weil sie erstens aus einer längst vergangenen Zeit stammen und zweitens, weil dort in den USA ganz "anders" gedacht wurde als bei uns in Old Germany oder in Europa.
Vergleichbar mit unseren deutschen Hifi-Magazinen etwa ab 1962 ist jedoch, daß auch diese Zeitschrift ihre Anzeigen- kunden und Leser (be- oder ab- ?) werben mußte.
Weiterhin sind die Dimensionen des amerikanischen Kontinents mit unseren hier in Europa einfach nicht vergleichbar. - Ein "Trip" von New York nach Kalifornien oder gar in die Wüste nach Las-Vegas zu einer der Audio-"Shows" war immer noch eine Weltreise. Und jede Ausstellung oder "Messe" wurde in USA als "Show" deklariert. Und es war natürlich alles nur Show.



This month we have the Rigo show in Minneapolis, from the 16th to the 18th (1959). In February 1959 we have three - Washington, D.C., San Francisco, and Los Angeles - the latter being the largest outside of New York. Largest in exhibitors, at least, even if not in attendance. We wonder how long this balance will continue.

The Washington show is at the Shoreham Hotel from February 5-8. 1959; San Francisco's is at the Cow Palace, February 6-9. 1959 (try to get to both of them, huh?) and Los Angeles' event is again at the Biltmore Hotel, February 16-23. 1959.

Die monatliche Kolumne - About Music

. . . . . kommt jetzt auf jeweils eigenen Seiten. Es ist hoch- interessant, was damals bereits an Hifi- und Music-Wissen bekannt war und worüber man diiskutierte und woran entwickelt wurde.

Ein typisch amerikanischer Artikel : "audiofacts"
The case of the vanishing ghost - oder
unerwünschte Echos bei Studio-Tonbändern


  • Anmerkung : Entweder war es in den USA nicht bekannt oder man wollte es gar nicht wissen, bei der deutschen AGFA und der BSAF in der Broadcast- (Rundfunk-) Abteilung war es sehr wohl bekannt, wie diese Echos entstehen und wie man sie beseitigen kann. Schaun Sie mal in das AGFA-Büchlein von Herrn Singhoff rein. Er hat sehr gut beschrieben, womit sie sich bei AGFA Professional rumgequält hatten..

To the TV viewer, a "ghost" is a faint, unwanted image, slightly displaced from the main picture. But although many home recordists are not aware of it, tape recording has its phantoms, too. In this case the "ghost" is a faint sound or "echo," displaced from the main signal.

The audio engineer, who is very sensitive to even the slightest imperfections in recorded sound, calls this print-through - the magnetic echo that is induced from one layer of tape to the next on recorded tapes during storage. These print-through signals increase gradually with time and are accelerated by unfavorable storage conditions. Eventually, they can build up to annoying proportions.

Audio Devices engineers have been working on this problem for several years
and have come up with two very effective solutions which can be used separately or in combination, to dispel the elusive "ghosts" of tape recording.

The first solution, pioneered by Audio Devices and announced to the trade last year, was the introduction of a new tape formulation which is highly impervious to print-through. This Master Audiotape reduces print-through by 8db compared to ordinary tape - making it entirely negligible to even the most critical ear after years of storage.

The second solution, first "unveiled" at the Audio Show in New York, is the new Audio "ECHORASER", a simple, inexpensive device which attaches to a tape recorder and removes up to 9db of print-through from any recorded tape without affecting the recorded signals. Mounted between the supply reel and playback heads, it automatically wipes off the echo while the tape is being played back - adding new brilliance and clarity and reducing background noise.

For complete information on this new development, write to Dept. AA, Audio Devices, Inc., 444 Madison Avenue, New York 22, N. Y. Ask for Bulletin 500.

Industry Notes .........

Das sind die überflüssigen Presseinfomationen, die keinen Kunden bzw. Leser wirklich interessiert hatten, die nur die Auftraggeber der Anzeigen als Sebstbeweihräucherung lesen wollten, genauso wie bei uns in Deutschland damals. - Die Firma XYZ bezieht ein neuens Firmengebäude und kann die Aufträge fast nicht mehr abarbeiten usw. usw. - alles nur dummes Gerede.


A consumer program to gain support for component high fidelity has been initiated by the "Institute of High Fidelity Manufacturers". Known as the Institute of High Fidelity, membership in the program costs 10 dollars yearly, and entitles consumer members to a monthly confidential news letter concerning advance reports on product development, engineering data, test analyses, book reports, magazine digests, and the like.

Members also receive a test record or test tape with a stated value of $9.75. A six-month subscription is given to the subscriber's choice among a number of hi-fi magazines, as well as a free copy of a well-known hi-fi book. The Institute will also maintain a book-order department which will sell books to members at a 20% discount. Charter subscribers will receive wall certificates and lapel pins indicating their membership.

At long last the engineering committee of the "Record Industry Association of America" has issued a definition of a "true" stereophonic disc. Approved by the RIAA board of directors, the definition states: "A true stereophonic disc record has two distinct orthogonal modulations derived from an original live recording in which a minimum of two separate channels were employed."

The RIAA has recommended that all records conforming to this definition be so identified on the label and container. Manufacturers have also been asked by the RIAA to designate discs which are not stereophonic as "monophonic" or "monaural."

Present rate of sales is highest in the history of "British Industries Corporation", according to Leonard Carduner, president. Both profits and sales for the first nine months of 1958 hit new highs. Net earnings in the period ending September 30 were $358,313, or $1.22 per share. This compares with $343,356, or $1.17 per share, for the same period last year, based on present capitalization. Sales increased to $5,589,789 from $5,045,613.

Dr. W. R. G. Baker, engineering director of the "Electronics Industry Association", has formed a stereophonic radio committee within the EIA to develop a set of standards for broadcasting stereo sound. Primary function of the group will be to establish a set of standards which, in the opinion of the industry, as represented by the EIA, represents the most economical method of serving the American public, according to Dr. Baker. He stated that the system to be chosen must have three primary qualities, namely: It must be compatible so that sets can receive regular FM programs as well as stereo broadcasts; it must be easy for the public to buy, and it must not be expensive.

Reflecting the country's expanding interest in high fidelity music, sales of FM receivers will top half a million during 1958, according to Ben Strouse, chairman of the NAB FM Radio Committee. Addressing a luncheon meeting in Washington, Mr. Strouse pointed out that there are now 565 commercial FM stations on the air compared with 533 last year. Largest builders of FM receivers are "Granco Products, Inc.", of Long Island City, N.Y., and Zenith Radio Corporation, Chicago.

In order to satisfy a need for larger quarters brought on by growing public demand for the GS-Seventy Seven high-fidelity record changer, Glaser-Steers Corp., manufacturer, is expanding production by moving into a new and larger plant at 155 Oraton St., Newark, N. J.

According to Julius Glaser, president, the new facility will provide an expanding laboratory for research and development, a mechanized assembly line and a larger quality control department. In addition, the new plant will include a modern finishing and painting department, as well as expanded shipping and receiving facilities.

A "Live vs. Recorded" concert will be given January 10. (1959) at New York's famous "Carnegie Recital Hall". Sponsored by three companies in the high-fidelity field - Acoustic Research, Dynakit, and Concertapes-Concertdisc - the program will be presented by the noted Fine Arts Quartet. Sound of the live instruments will be instantaneously alternated with reproduced sound from stereo tape. The professional recording equipment and techniques of Concertapes will be used to make the tape, which will be reproduced through two Dynakit preamplifiers and Mark III amplifiers, and two Acoustic Research AR-3 speaker systems. Tickets are $1.05, and may be obtained directly or by mail from the Carnegie Hall box office.

Aus der Feb. Ausgabe : COMING HiFi SHOWS

Feb. 5-8 - Washington, D. C.; International High Fidelity Music Festival of 1959, Shoreham Hotel. {Independent)
Feb. 7-10 - San Francisco, Cal.; Cow Palace. (IHFM, Northern Cal. Audio Shows, Inc.)
Feb. 17-23 - Los Angeles, Cal.; Biltmore. (IHFM)
Mar. 6-8 - Denver, Colo.; Cosmopolitan. (Rigo)

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