radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

Koss Corporation; Milwaukee, WI

As a member you can upload pictures (but not single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
Name: Koss Corporation; Milwaukee, WI    (USA)  
Abbreviation: koss
Products: Model types
Summary:

Koss Corporation
4129 N. Port Washington Ave.
Milwaukee, WI

Manufacturer of stereo headphones starting with the invention of the SP/3 in 1958.

 

Founded: 1958
History:
2007 activ company, see http://www.koss.com
Founded by John Koss.

This manufacturer was suggested by Wolfgang Scheida.


Some models:
Country Year Name 1st Tube Notes
USA  64–67 Stereo Headphones SP-3X   HiFi Stereo Headphones. Frequency response 10-15000 Hz. 4-6 Ohms. 
USA  62–67 Stereo Headphones Pro 4   HiFi Stereo Headphones.Impedance d'utilisation:2x50Ohms.Sensibilité à 95 dB:0,08mW.Poids:5... 
USA  68–73 Stereo Headphones ESP-6   Electrostatic stereo headphones; 30 to 19000Hz, 80dB SPL, 4 to 16 ohms. Fluid filled earcu... 
USA  70 Stereo Headphones ESP-9   Electrostatic stereo headphones; 15 to 15000Hz, 80dB SPL, 4 to 16 ohms. Fluid filled earcu... 
USA  72 Headphones, HIFI K-6 LC   Dynamic headphones. Individual volume control. Frequency range 30 to 16000 Hz. Cuffie magn... 
USA  68 Stereo Headphones K-6   Koss Dynamic Stereo Headphones Model K-6. 30-16000 Hz 2 × 100 Ohm.  
USA  71 Stereo Headphones K-6 [I.]   Open dynamic headphones. 30-16000 Hz, 2 × 100 Ohm. 
USA  75 Stereo Headphone K-6A   Koss Stereo Headphone Model K-6A. 
USA  ? UR 19   Has volume control on the cable. 
USA  67 Acoustech Solid State Pre Amplifier VI   Koss Solid State Pre Amplifier Model Acoustech VI.   
USA  66 Dynamic Stereo Headphones Pro-4A   Koss Dynamic Stereo Headphones Model Pro-4A. 15 - 30000Hz Impedance 8 Ohms 
USA  67 Acoustech Solid State Stereo Power Amplifier 1A   Koss Solid State Stereo Power Amplifier Model Acoustech 1A.   

[rmxhdet-en]

Further details for this manufacturer by the members (rmfiorg):

tbn_usa_koss_k6_logo.jpg
Q: Koss, Produktkatalogtbn_usa_koss_logo.jpg
Thanks for Mr.Laca66, Hungary, Budapest and Első Zalai Rádiómúzeum Alapítvány, First Zala County Radio Museum Foundation.tbn_usa_koss_esp6_logo.jpg
tbn_usa_koss_k_6_advertise_january1968.jpg
tbn_usa_koss_advertise.jpg

  

Data Compliance More Information