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Xophonic CX-17

Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126979) Ampl/Mixer
Xophonic CX-17; Radio Craftsmen Inc. (ID = 1885673) Ampl/Mixer Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126967) Ampl/Mixer
Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126968) Ampl/Mixer Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126969) Ampl/Mixer
Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126970) Ampl/Mixer Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126971) Ampl/Mixer
Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126972) Ampl/Mixer Xophonic CX-17; Radio Craftsmen Inc. (ID = 1126973) Ampl/Mixer
Xophonic CX-17; Radio Craftsmen Inc. (ID = 1832741) Ampl/Mixer Xophonic CX-17; Radio Craftsmen Inc. (ID = 1885674) Ampl/Mixer
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Xophonic CX-17; Radio Craftsmen Inc. (ID = 1885673) Ampl/Mixer
Radio Craftsmen Inc.: Xophonic CX-17 [Ampl/Mixer] ID = 1885673 1400x742
Select picture or schematic to display from thumbnails on the right and click for download.
For model Xophonic CX-17, Radio Craftsmen Inc., The; Chicago (IL):
aus ebay, #111771978500, Verkäufer funds123
 
Country:  United States of America (USA)
Manufacturer / Brand:  Radio Craftsmen Inc., The; Chicago (IL)
Year: 1957 Category: Audio Amplifier or -mixer
Valves / Tubes 4: 12AX7 35L6 35L6 35Z5
Main principle Audio-Amplification
Wave bands - without
Details
Power type and voltage AC/DC-set / 117 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
Power out 3 W (unknown quality)
from Radiomuseum.org Model: Xophonic CX-17 - Radio Craftsmen Inc., The;
Material Wooden case
Shape Book-shelf unit.
Dimensions (WHD) 23.5 x 10.75 x 10.25 inch / 597 x 273 x 260 mm
Notes This is a 50ms audio delay amplifier for home use in conjunction with an existing mono audio system. The input is a 16 Ohm transducer that takes input from the speaker terminals of an existing mono system. The transducer drives a coiled aluminum hose to obtain the 50ms delay. A crystal microphone picks up the delayed audio signal from the aluminum hose delay line to drive the built-in amplifier and speaker with a volume control. A casual hearing test driving the transducer from a 50 Ohm audio generator suggests an overall bandwidth of 4kHz. The aluminum hose delay line is carefully acoustically impedance matched to achieve the 50ms delay without reflections. When listening exclusively to the Xophonic, there is no noticeable reverberation or echo; the spacial effect requires the simultaneous operation of the existing mono speaker system with the Xophonic.
Net weight (2.2 lb = 1 kg) 24 lb (24 lb 0 oz) / 10.896 kg
Mentioned in Radio and TV News magazine June 1957

Model page created by Joe Sousa. See "Data change" for further contributors.



All listed radios etc. from Radio Craftsmen Inc., The; Chicago (IL)
Here you find 49 models, 39 with images and 24 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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