General Information

Serial #

72-2226

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

STEEL HEADBAND; FOAM RUBBER HEADBAND CUSHION & EARPHONE CUSHIONS; 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

17.0 cm

Width

14.0 cm

Height

N/A

Thickness

8.0 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. KOSSHAD 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 1972 KOSS DEVELOPED FIRST COMPACT HIGH VELOCITY DRIVER & INTRODUCED LIGHT-WEIGHT, HIGH VELOCITY HV-1 HEADSET WITH UNIQUE CERAMIC MAGNET & DECREASED MASS OF MOVING DIAPHRAGM ASSEMBLIES TO DECREASE WEIGHT WITHOUT SACRIFICING SOUND QUALITY. HV-1 WAS HEAR-THROUGH HEADSET, ALLOWING LISTENER TO HEAR SURROUNDING SOUNDS. HV-1 WAS PRODUCED FROM 1972 TO 1980 & SOLD IN 1972 FOR $39.95 (REFS. 1-4).

Area Notes

Unknown

Details

Markings

PLATE ON EACH EARPHONE READING "PROFESSIONAL STEREOPHONES/ HV-1" & "LEFT" OR "RIGHT"

Missing

APPEARS COMPLETE

Finish

BLACK HEADBAND & EARPHONE CUSHIONS, EARPHONE CASINGS, HEADBAND COVER, CORD COVERING, PLUB CASING; PLATED HEADBAND, PLUG, PARTS

Decoration

SILVER & BLACK "KOSS" LOGO ON EACH EARPHONE