File:QST (1915) (14571772888).jpg

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Description
English:

Identifier: qstamer00amer (find matches)
Title: QST
Year: 1915 (1910s)
Authors: American Radio Relay League
Subjects: Radio Radio
Publisher: (Newington, Conn., etc., American Radio Relay League)
Contributing Library: Internet Archive
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
-^mtfrn^- PUBLISHED BY THE AMER5CAN RADIO RELAY LEAGUE y y&u cp&udS pmM you wont be satisfied until you own
Text Appearing After Image:
A peak in the response curve limitsmodulation to the peal< value. A peak-freeresponse brings the full power level to100% modulation gaining an inteliigibiiityincrease equal to the peak in the averagemike. The 664 is peak-free and gives thehighest usable power of any microphonefor AM, NFM and SSB. See your E-V Distributor, or vfrito for Specification Shoet The 664 will equal a useful power increaseof four times over commonly-used peakedmicrophones, and could well be the bestinvestment, dollar-wise, in your shack Here is a totally new concept in microphones foramateur phone communication. The cardioid (high directivity at all frequencies)pickup pattern enables you to have a real arm chairQSO. The forward gain of 5 db** allows you to speakat nearly twice the distance you have been working toa conventional microphone. Unwanted sounds in theshack are rejected nearly twice as effectively as byordinarily-used non-directional microphones. The response curve is tailored to put the highestde

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https://www.flickr.com/photos/internetarchivebookimages/14571772888/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:qstamer00amer
  • bookyear:1915
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:American_Radio_Relay_League
  • booksubject:Radio
  • bookpublisher:_Newington__Conn___etc___American_Radio_Relay_League_
  • bookcontributor:Internet_Archive
  • booksponsor:Internet_Archive
  • bookleafnumber:799
  • bookcollection:internetarchivebooks
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14571772888. It was reviewed on 5 August 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

5 August 2015

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current04:47, 5 August 2015Thumbnail for version as of 04:47, 5 August 20152,506 × 3,481 (1.1 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Identifier''': qstamer00amer ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fqstamer00amer%2F find ma...

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