General Information

Serial #

701686

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

SYNTHETIC HEADBAND, EARPHONE CASINGS; FOAM RUBBER EAR CUSHIONS & HEADBAND CUSHION; SYNTHETIC CORD COVERING, PARTS; METAL PARTS

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

21.0 cm

Height

N/A

Thickness

8.1 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 THAT PERIOD. KOSS HADMADE 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

KOSS HEADSET WITH HEADBAND MADE OF RED POLYPROPYLENE RATHER THAN STEEL, SOLD FROM 1971 TO 1974. MARKETED AS LIGHTWEIGHT BUT RUGGED & SHOCKPROOF, ABLE TO STAND UP TO HANDLING BY CHILDREN, BUT STILL FEATURING KOSS "PRECISION SOUND". CALLED "RED DEVIL" & HENCE RED COLOUR; BLACK VERSION WAS ALSO AVAILABLE. SOLD FOR $29.95 IN 1971 (REFS. 1-4).

Area Notes

Unknown

Details

Markings

LABEL ON EACH EARPHONE READS "KRD711/ KOSS"

Missing

APPEARS COMPLETE

Finish

ORANGE HEADBAND & EARPHONE CASINGS; BLACK CUSHIONS; BLACK COVERED CORD; PLATED PLUG

Decoration

N/A