TAPE RECORDING 1937 1938 19 9 194 1941 1943 1942 1945 1946944 19 7 194E1 1949 19501952 1953951 195 Issue F : Bruary, 1958
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1 35 136 TAPE RECORDING 1937 1938 19 9 194 1941 1943 1942 1945 1946944 19 7 194E1 1949 19501952 1953951 195 issue F : bruary, 1958 www.americanradiohistory.com Livingston Studios. recorded tapes get a quality boost with Audiotape Say "recorded tape" and chances are someone will say "Livingston." Livingston Audio Products in Caldwell, N. J., was one of the pioneers in the recorded tape field. Today, the Livingston library includes over 160 monaural tape titles and more than 90 stereos. And the list is expanding every month. Art Cooper, executive vice -president at Livingston, says, "In this high fidelity age, the key to success in the recording business is quality. Our engineers have chosen equipment which they feel is the finest available. We make inspections and maintenance checks on this equipment every hour. And we approach magnetic tape in the same way -constantly testing and checking the quality. Our studies have shown that Audiotape consistently delivers outstanding performance. That's why we've been an Audiotape customer for years." Livingston is just one of the hundreds of professional recording studios which rely on Audiotape for the finest sound reproduction. The complete line of professional quality Audiotape offers a base material and thickness to meet every recording need. And no matter which type you select, you can be sure you're getting the very finest tape that can be produced. There's a complete range of reel sizes and types, too, including the easy- threading C -Slot reel for all 5 and 7 -inch Audiotapes. Why settle for less, when professional -quality Audiotape costs no more? ¡otapL.. el *fah) eloef AUDIO DEVICES, INC., 444 Madison Ave., N. Y. 22, N. Y. In Hollywood: 840 N. Fairfax Ave. In Chicago: 5428 Milwaukee Ave. Export Dept.: 13 East 40th St., N. Y., 16 Cables "ARLAB" Rectifier Division: 620 E. Dyer Rd., Santa Ana, Calif. www.americanradiohistory.com iee rOO e<C DYNAMIC MICROPHONES OUT-PERFORM ALL OTHERS in the RECORDING FIELD! new acoustic principle - VARIABLE D acclaimed the most significant microphone development in 20 years! Because of their durability and uniformity of response, dynamic micro- phones are almost universally used by recording studios. Electro -Voice dynamic microphones are a triumph of electro- acoustics in the recording, P.A. and general purpose fields. One of the many reasons for this is the Variable D principle which employs three distinct sound entrances, with acoustical filters; achieves flat response and excellent back cancellation while eliminating boominess caused by close talking -and susceptibility to shock. That's why those who want true fidelity, life -like recorded tape choose Electro -Voice dynamic microphones. O E -V MODEL 664 Utilizing the revolutionary Variable D, this high -fidel- ......... ity cardioid dynamic brings broadcast quality to tape recording and the P.A. and general purpose field. .. Proper placement of microphone stops unwanted . sounds. gives accurate, natural pick -up of voice and .... music. Unprecedented ruggedness largely eliminates possibility of accidental damage. Indestructible Acoustalloy diaphragm and precision . manufacture assure long -life and dependable perform- ... ance. Frequency response: 40 to 15,000 cps. Pressure .. cast case. Chrome finish. 18' cable. Size: 7- 3/16" long, 17/e" diameter. Net weight: 1 lb. 10 oz. List price: $85.00 (less stand). © E -V MODEL 636 . This model brings style and quality to the recording and public address fields. Slim and trim -only 1%' in MI diameter x 101/" long - it greatly reduces recording staging problems. Frequency response: 60 to 15,000 cps, essentially flat. Adjustable impedance. Gold or satin chrome finish. On -off switch standard equipment. Net weight: 15 oz. List price Chrome Finish: $72.50 } (less stand). e e E -V MODEL 623 Excellent for both speech and music, its small, slim size makes it inconspicuous and easy to handle. Swivel 4 mounting permits tilting microphone through a 57° arc toward the sound source. Acoustalloy diaphragm. Frequency response: 60 to 12,000 cps. Satin chrome finish. Net weight: 1 lb. List price: $57.00 (less stand). J O E -V MODEL 630 This is similar to Model 623 in performance charac- teristics but is traditionally styled. Frequency re- sponse: 60 to 11,000 cps. Satin chrome finish. Net weight: 1 lb. List price: $52.50. Year tapes wilt have a new depth of realism when you re. rend with EleelneVonee tllgh Fidelity Dynamic Microtdl °ue.f giewczske ELECTRO -VOICE, INC. BUCHANAN, MICHIGAN Nee yayam. h1.11 dealer today. Write for The Alita of Microphones." Booklet HT 82 3 www.americanradiohistory.com HI-FI TAPE RECORDING VOL. 5 NO. 3 FEBRUARY 1958 MARK MOONEY, JR. Editor and Publisher JOHN L. ALLEN JEAN COVER Circulation Afanager Assistant Editor ROBERT W. LAPHAM JAMES H. MILLS, SR. PENTl(O', hi -tì tape recorder pioneer Art Director Technical Consultant and leader, presents its completely new superbly designed recording instru- ments. Available monaurally or stereo- ANTHONY J. MORIN, JR. GEORGIE SIGSBEE phonically (stacked, in -line heads) ... National Advertising Manager Music Editor and at down -to -earth prices. See and 274 Madison Ave., New York 16, N. Y. hear Pentron- dollar for dollar your best tape recorder buy! New low prices from 6109.95, net. IN THIS ISSUE THE HISTORY OF MAGNETIC RECORDING Mark Mooney, Jr. 21 FIRST USE OF MAGNETIC SOUND ON FILM Louis E. Lembach 38 NEW TAPES Georgia Sigsbee 6 The TEEN TAPERS Jerry L. Heisler 14 CHAMPION BOOK REVIEWS 15 New Pentron features include FinFer- Flitc single knob control; dual, single and four speaker systems; increased QUESTIONS AND ANSWERS 16 power amplifier output; Quik -Flip speed change control; Azmur -.l- bead adjustment with removable pole pieee; TAPES TO THE EDITOR 17 plus 7 other new Pentron exclu ices. TAPE IN EDUCATION John J. Grady 18 Custom Installation TAPE CLUB NEWS 19 NEW PRODUCTS 41 New Pentron integrated c mponents, stereo or monaural. Write for brochure "C ". Ask to hear hi -tì l'EN]'APES ... "greatest sound ever found!" HI -FI TAPE RECORDING is published monthly by Mooney -Rowan Publications, Inc., Severna Park. Md. (Severna Park 548). Entered as second class matter January 7, 1954 at the Postoffice, Severna Park, Md.. under the Act of March 3, 1879. National Advertising Representative: J -V Associates. 274 Madison Ave., New York 16, N. Y. (ORegon 9- 0030). Subscriptions, U. S. and Possessions, Canada and Mexico, $3.75 for one year; all others add $1.00 a year. Two years $7.00. Contents copyrighted by Mooney -Rowan Publications, Inc.. 1958. Printed in U. S. A. 784 SOUTH TRIPP AVE. POSTMASTER -Send all address labels clipped from undeliverable copies with Form 3579 to CHICAGO 24, ILL. Hi -Fi Tape Recording. Severna Park, Md. 4 www.americanradiohistory.com for high fidelity. .. today... and for years to come... ONLY SOUN D AFT TAPES... ONLY SOUNDCRAFT ONLY SOUNDCRAFT MICROPOLISHES TAPE! OXIDE FORMULATION IS Friction between recorder. heads and "UNI- LEVEL" COATED! non -polished tape surfaces is produced Variations in thickness of oxide by tiny nodules ... microns in size... coating cause distortion which cause a loss of high frequency of low frequencies ... a condition all the signals in recording, and even further more dangerous loss in playback. Unless your tape because you can't see the variation. To insure surface is perfectly smooth when faultless low frequency new... you've lost high frequency response through positive coating response before you start! Friction also uniformity ... insist on SOUND - causes dangerous head wear because CRAFT TAPES ... the only tapes recorder heads are forced to act as with oxide coating applied by the polishing surfaces! A truly smooth exclusive UNI -LEVEL process surface must be polished and ... ... you can hear the difference! no other tape ... ONLY SOUND - CRAFT TAPE is polished ... MICROPOLISHED to guarantee high Because of these exclusive features, fidelity reproduction ... to reduce all SOUNDCRAFT TAPES offer head wear ... to save the quality of complete uniformity ... within a reel the sound! and from reel to reel ... and can be freely interspliced without ONLY SOUNDCRAFT changes in volume! OXIDE FORMULATION IS PLASTICIZER -FREE! Plasticizers, chemical agents used in other tapes to provide pliancy, eventually migrate into the atmosphere, leaving tape dry and brittle ... old before its time! Its the oxide formulation on tape that carries the sound ... and ONLY SOUND - CRAFT TAPES have the remarkable oxide formulation which eliminates antiquated plasticizers! You get complete tape stability ... unequalled protection for your recordings! And when you buy SOUNDCRAFT TAPE on MYLAR* base you have double protection...lifelong preservation of your recordings ...ONLY ON SOUNDCRAFT TAPE! PLUS 50 (Mylar)...long play. 'T N. for Duponi s plasticizer -free Polyester film strength, long term storage. 7' reel -1800 feel PLUS 100 (Mylar)..extra-long play - ultimate in double - length tapes. 7' reel -2400 feet. PROFESSIONAL (Acetate)... professional LIFETIME (Mylar). utmost strength, professional fidelity. appir ations- uniformity guaranteed. permanence. accurate timing- lifetime guarantee. 7' reel -1200 feel. 7' r. ei -1200 feet. RED DIAMOND (Acetate)... long, hard usaci economy. 7' reel -1200 feet. REEVES SO UNDCRAFT CORP. 10 E. 52nd Street. New York 22, N. Y. West Coast: 342 N. La Brea, Los Angeles 36, California FOR EVERY SOUND REASON...REFUSE LESSER QUALITY...BUY ONLY SOUNDCRAFT TAPES! s www.americanradiohistory.com NEW TAPES By Georgie Sigsbee It has been a long time since 1 have well as writing, and Mr. D. Sterling Wheel- Charles Munch, Conductor communicated directly with you who read wright, Professor of Music and Humanities RCA ESC -58 this column. As tape releases were increas- at San Francisco State College will be con- Stereo ..$14.95... 36 mins. ing so terrifically this past year I felt it tributing to this column. We are sure you Sonically this is quite a piece of music, will their exceedingly important to devote all space enjoy contributions.