Radio Broadcast - 1925, February - 113 Pages ... - VacuumTubeEra

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848-/J RADIO BROADCAST ADVERTISER \ SUre ~ that your L_ transf9rmers are giving you Amplification without Distortion oAcme Transformers give maximum rtiorTuse ACN brmers in the u build. Insist on set you buy all the year '; Radio The Amplifying Transformer is the Magnifying Class of Radio * ACME **for amplification volume of sound, clearly and distinctly "\X7HEN you put a lot of time and money into a * radio set you want to be sure that it will give the best results. You want to know that your set will bring in the stations so that you can enjoy listening and be proud to call in your friends. You want Amplification, but above all you want Amplification without Distortion. Be sure to use amplifying transformers that increase the sound without spoiling the quality. The Acme A-2 Audio Amplifying Transformer is the result of 5 years of research and experimenting. It gives amplification without distortion to any set. Whether you have a neutrodyne, superheterodyne, regenerative or reflex the addition of the Acme A-2 will make it better. If you are not getting loud clear radio try Acme Transformers and note the difference. Each transformer is tested and carries a guarantee tag. If you want Amplification without Distortion use Acme Transformers in the set you build and insist on them in the set you buy. (That's one of the big reasons why the Acmeflex Kitset gives such good results it uses Acme Transformers.) Send for our 40 -page booklet which explains how to get the best results by proper amplification and also contains a number of valuable wiring diagrams. It will help you build a set. Mail the coupon with 10 cents. ACME APPARATUS COMPANY Transformer and Radio Engineers and Manufacturers Dept. F2 Cambridge, Mass. Have the fun of making your own radio set | ACME APPARATUS COMPANY, | Dept. F2, Cambridge, Mass. Gentlemen: | I am enclosing 10 cents (U. S. stamps or coin) for a | copy of your book, "Amplification without Distortion." | Name ! Street... City. State. Tested and approved by RADIO BROADCAST
RADIO BROADCAST ADVERTISER 848-i Daily Broadcasting Programs *^ Mu-i'ad /*^W Triplex .X"~V 5dube-Dn/Celllfeeeltfer V ^ {^/ 4-TUBE EFFICIENCY Although only 3 tubes are used, all the efficiency of 4 tubes is attained by reflexing one tube. The circuit is one stage of radio frequency, two stages of audio frequency, and detector. DISTANCE and SELECTIVITY Real distance right through the strongest local interference with very simple tuning. CAN BE LOGGED Only two dials, the readings of which are always the same for each station, so that tuning is practically automatic ṄON RADIATING Your set cannot interfere with your neighbors'. CONVENIENT All power from dry cell batteries, contained in the handsome mahogany cabinet. Easily portable. NEW not just in price, because there are plenty of low priced radio sets but NEW in the value represented by the radio A MU-RAD Receiver in treasures it unfolds, and the sterling character of instruments and workmanship. every detail that has made the name MU-RAD trusted and respected everywhere. Write for Literature ^ MlJ-R/ID L/IBOR/nX)RIES.lNC. 803 FIFTH /IVE /IsBURyP/raK. NEW JERSEY Tested and approved by RADIO BROADCAST
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RADIO ol. 6, No. 4 February. How Mi
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( , me How Michael Pupin Succeeded
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. the '; tory. ; Early : scholar. a
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How Michael Puj3ih' Succeeded "665
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The Way of the Transgressor 667 or
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The Way of the Transgressor 669 ver
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What Reflex Means How One Tube is M
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What Reflex Means 673 might be expe
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The International Radio Broadcast T
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The Listener's Point of View 685 CA
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The Listeners' Point of View 687 SI
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The Listener's Point of View 689 [p
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f syncopation The Listeners' Point
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! of ; an Some Experiences With the
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The March of Radio 695 communicatio
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The March of Radio 697 tial product
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The March of Radio 699 PROMINENT FI
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The March of Radio 701 It might be
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The March of Radio 703 year the Phi
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The March of Radio been bothered by
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Who Owns Our Broadcasting Stations
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Who Owns Our Broadcasting Stations
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"NOW, 1 HAVE FOUND. . A Department
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Page 57 and 58: . "You Our Busiest Dav 7'5 Follette
Page 59 and 60: THE LOSS STABILIZING R. F. CIRCUITS
Page 61 and 62: eceiving In the R. B. Lab. 719 It i
Page 63 and 64: In the R. B. Lab. 721 This resistan
Page 65 and 66: How to Build a One-Dial Reflex Rece
Page 67 and 68: How to Build a One-Dial Reflex 725
Page 73 and 74: THE ANTENNA AT STATION 5IT, BIRMING
Page 75 and 76: What We Are Doing With Broadcasting
Page 77 and 78: What We Are Doing With Broadcasting
Page 79 and 80: A Winder for Small Inductances How
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Page 83 and 84: A Winder for Small Inductances 74'
Page 85 and 86: Problems of Receiver Design 743 sho
Page 87 and 88: Our HAT , Readers Write Us A Word f
Page 89 and 90: The Grid 747 structed as a portable
Page 91 and 92: RADIO BROADCAST ADVERTISER 749 Set
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Radio Broadcast - 1925, February - 113 Pages ... - VacuumTubeEra

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