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February 1936
INTERNATIONAL PROJECTIONIST
ANOTHER RCA FIRST!
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ANOTHER GREAT RCA TRIUMPH
-BUILDS BOX OFFICE TO EVEN
GREATER HEIGHTS!
ULTRA-VIOLET Recording is RCA Photophone's newest and latest improvement, taking its place beside those other great RCA Firsts : the Rotary Stabilizer, A-C Operation, High Fidelity and Noiseless Recording.
When you hear the new UltraViolet sound track you are utterly astounded. Never before has the screen been so vivid, presented such a living presence of the artist.
But your audiences will hear this astonishing advance only if sound head, amplifiers, and speakers are capable of handling the higher frequencies. RCA Photophone apparatus can do so, for the Rotary Stabilizer assures constant film speed and correct focus, and the amplifiers and speakers can take everything that is on the track. For audience thrills that mean bigger box office, use RCA Photophone apparatus.
HOW IT'S DONE
White light really consists of all the colors of the rainbow. Only part of the spectrum at a time can be focused accurately. Sosound tracks m ade with white light are always somewhat blurred by outof-focus colors. Ultraviolet is a single color and hence can be focused absolutely accurately, producing the clearest, sharpest sound tracks ever made!
Above, sound track made by ordinary light. Note blur. Below, new track recorded by UltraViolet. See how sharp and clean the 9,000-cycle note is.
RCA PHOTOPHONE
RCA SONOTONE
RCA TRANS-LUX
RCA MANUFACTURING CO., INC., CAMDEN, N. J., AN RCA SUBSIDIARY