General Information

Serial #

70-1920

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

STEEL HEADBAND; FOAM RUBBER HEADBAND CUSHION & EAR CUSHIONS, LATTER COVERED IN VINYL; SYNTHETIC EARPHONE CASINGS, HEADBAND COVER, CORD COVERING, PARTS; METAL PLUG & PARTS/ CW SYNTHETIC BUTTON

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

20.5 cm

Width

20.0 cm

Height

N/A

Thickness

9.5 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 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

INTRODUCED IN 1972, THIS WAS LOWER PRICED HEADSET WITH BALANCE & VOLUME CONTROL ON EACH EARPHONE. IT HAD SAME ACOUSTICAL DESIGN & PHYSICAL CONSTRUCTION AS SLIGHTLY LESS EXPENSIVE K-6L WHICH LACKED EARPHONE CONTROLS & WAS MARKETED AS ACCESSORY FOR STARTER STEREO SYSTEMS. K-6LC WAS SOLD IN 1972 FOR $29.95 (REFS. 1-4).

Area Notes

Unknown

Details

Markings

PLATE ON EACH EARPHONE READING "STEREO/ K-6LC/ KOSS/" & "L.VOL" OR "R.VOL"; MOULDED "KOSS" ON EACH EARPHONE

Missing

APPEARS COMPLETE

Finish

TEXTURED DARK BROWN EARPHONE CASINGS; DARK BROWN EARPHONE CUSHIONS HEADBAND COVER, CORD COVERING, EARPHONE BALANCE CONTROLS; BLACK HEADBAND CUSHION; PLATED HEADBAND & PLUG.

Decoration

N/A