Headset
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1972.1338.001
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- OBJECT TYPE
- QUADRAPHONIC/DYNAMIC/2-4 CHANNEL
- DATE
- 1972
- ARTIFACT NUMBER
- 1972.1338.001
- MANUFACTURER
- KOSS CORP.
- MODEL
- KO-747Q
- LOCATION
- Milwaukee, Wisconsin, United States of America
More Information
General Information
- Serial #
- 71-2180
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- STEEL HEADBAND; FOAM RUBBER HEADBAND CUSHION, EARPHONE COVERING; VINYL COVERED EAR CUSHIONS; SYNTHETIC EARPHONE CASINGS, HEADBAND COVER, CORD COVERING, PARTS; METAL PLUGS & PARTS/ CW 2 SYNTHETIC BUTTONS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 21.0 cm
- Width
- 18.5 cm
- Height
- N/A
- Thickness
- 9.8 cm
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Radio
- Sub-Category
- N/A
Manufacturer
- AKA
- KOSS
- Country
- United States of America
- State/Province
- Wisconsin
- City
- Milwaukee
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- GENERAL: 1970'S
- Canada
-
PART OF COLLECTION (1972.0318; 1972.1332-1346) OF "STEREOPHONES" DONATED (WITH TRADE LITERATURE) TO NMST IN 1972 BY KOSS. CORP. OF MILWAUKEE, WIS., ALL EXAMPLES OF KOSS "PRODUCT LINE" OF THATPERIOD. KOSS HAD MADE SIMILAR DONATION TO SMITHSONIAN (SEE PHOTOS, PRESS RELEASES & CORRESPONDENCE IN SUPP. INFO. 1972.0318). - Function
-
ELECTROACOUSTIC DEVICE WHICH TRANSFORMS ELECTRICAL WAVES INTO AUDIO SIGNALS, WORN OVER EARS BY LISTENER. - Technical
-
IN 1971 KOSS DEVELOPED INDUSTRY'S FIRST 4-CHANNEL HEADPHONE K2+2, WITH FOUR SEPARATE DYNAMIC DRIVER ELEMENTS TO REPRODUCE SOUND FROM 4-CHANNEL AMPLIFIERS, & 4-CHANNEL/2-CHANNEL SWITCH. IN 1972 LINE WAS EXPANDED TO INCLUDE THREE ADDITIONAL QUADRAFONES: PRO-5Q, K-6LCQ & K0-747Q. KO-747Q WAS SOLD CIRCA 1972 FOR $60.00 (REFS. 1-3). - Area Notes
-
Unknown
Details
- Markings
- PLATE ON EARPHONE READS "4 CHANNEL/ KO/747Q/ QUADRAFONE/ KOSS [LOGO]" & ONOTHER "4 CHAN 2 CHAN/ QUADRAFONE/ KOSS [LOGO]"; MOULDED "KOSS" ON EACH EARPHONE
- Missing
- APPEARS COMPLETE
- Finish
- TEXTURED DARK BROWN EARPHONE CASINGS, HEADBAND COVER; DARK BROWN EARPHONE CUSHIONS, CORD COVERING, PARTS; BLACK HEADBAND CUSHION, FOAM PARTS; BLACK & GREY PLUG CASINGS; BLACK SWITCHES & BALANCE CONTROLS/ PLATED HEADBAND & PLUGS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
KOSS CORP., Headset, 1972, Artifact no. 1972.1338, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1972.1338.001/
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