General Information

Serial #

70-2289

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

STEEL HEADBAND; FOAM RUBBER HEADBAND CUSHION; VINYL EAR CUSHIONS; SYNTHETIC EARPHONE CASINGS, HEADBAND COVER, CORD COVERING, PLUG CASING, 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

22.0 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 THAT PERIOD. KOSS HAD MADE SIMILAR DONATION TOSMITHSONIAN (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 ROTARY VOLUME-BALANCE CONTROL ON EACH EARPHONE & STEREO-MONAURAL CAPABILITY. STEREO POSITION OF SWITCH WAS INTENDED FOR MUSIC LISTENING, WHILE MONAURAL SWITCH WAS FOR PLAYING ELECTRONIC GUITAR OR ORGAN, OR CONVENTIONAL RADIO OR TELEVISION LISTENING. SOLD FOR $45.00 CIRCA 1972 (REFS. 1-2).

Area Notes

Unknown

Details

Markings

PLATE ON EACH EARPHONE READS "K0/747"/ [LOGO]/ KOSS"

Missing

APPEARS COMPLETE; PLATE DETACHED FROM ONE EARPHONE

Finish

.EXTURED BROWN EARPHONE CASINGS & HEADBAND COVER; DARK BROWN EARPHONE CUSHIONS, CORD COVERING, PLUG CASING; BLACK HEADBAND CUSHION; PLATED HEADBAND, EARPHONE CONTROL, PLUG

Decoration

N/A