Radio broadcast .. (1922-30)

Record Details:

Title:
Radio broadcast ..
Date:
1922-30
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000256
Language:
English
Collection:
Broadcasting & Recorded Sound
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Radio Broadcast supported home listeners of the new technology of radio – for building or buying a receiving set to explaining the technology used by the new radio stations. Throughout the magazine shows the cultural influence of radio as it evolved from hobbyist to mainstream. -- David Pierce, 2011
Date Added:
July 19, 2022
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In the R. B. Lab 491 the magnets, or so near to it that it rattles badly on a signal. As the adjuster is turned away from this dead or inoperative side, the diaphragm is raised until it generally "plops" free. When the speaker is connected correctly, it will be necessary to turn the adjuster farther than on the incorrect polarity, to free the diaphragm and achieve distortionless reproduction. NEVER overload your loud speaker. The suspicion of a rattle should be avoided. Even momentary overloads lower the power capacity of the talker (in respect to satisfactory reproduction) and a loud speaker that has been occasionally strained Testing the one-tube loop receiver in the R. B. Lab. Regen will distort and blast on eration is quite pronounced with the Ballantine Varioformer much lower powers than before the initial stress. This fact was ably periments carried on in the R. B. Lab in demonstrated in a series of amplification ex which volume was a primary consideration. FIG> FIG. IO The ten inch poly-phase slide rule or "slip stick," — our laboratory suggestion for January IN THE R. B. LAB SOON The R. B. LAB is preparing data on tow loss coils in the Roberts receiver, in both the broadcast set and the record-making short-waee receiver. This material will appear in an early number.