Amateur talking pictures and recording (1933)

Page scan 00039 from Amateur talking pictures and recording

Record Details:

Title:
Amateur talking pictures and recording
Date:
1933
Publisher:
London : Sir Isaac Pitman & Sons, Ltd.
Volume:
Amateur talking pictures and recording
Leaf #:
00039
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
May 02, 2024
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ELECTRICAL I) VIA 27 connections will be found marked on the adaptor. One transformer lead goes to the grid and is made to the connection above the omitted pin, and the other goes via the grid bias battery to the negative "LT" terminal on the adaptor. When the valve is plugged in, connections will be made throughout. In superheterodyne radio sets using two detector valves connection is made to the second in order from the aerial Microphone Microphone Transformer ,Det. Valve i Halved 'Harlie Adaptor Valve Holder^:^ FiCr. 12. Connection* to Radio Set circuit. It is best to obtain the manufacturers recommendations for connections as these sets are somewhat complicated. Recording from Radio. Our description so far has been associated with recording direct from natural sound, that is to say, music or speech which is picked up by the microphone and then passed to the amplifier. It is obviously possible in a similar manner to record from radio programmes. In this case we can completely forget the input side of the amplifier, since this is provided for by our aerial and tuning coils. The connections to be made to the output side of the amplifier are precisely the same as those already dealt with in the case of the microphone. In home recording equipments attachments are often provided whereby a change of connections from microphone