hifi engine

Manual Library / Sennheiser

Sennheiser HD 420

Hi-Fi Stereo Headphones (1979)

add a review add a review

Sennheiser HD 420


Type: dynamic headphone

Frequency Response: 18Hz to 20kHz

Nominal load: 100mW

Maximum sound output level: 94dB

Total harmonic disortion: 1%

Cord Length: 300cm

Weight: 129g

Year: 1979


instruction/owners manual   English Deutsch Francais - giogio9595

instruction/owners manual   English - ktm2015

Related Catalogues

Revue 11

If you have any problems opening files please read the download FAQ. All files are provided under strict licence and reproduction without prior permission or for financial gain is strictly prohibited.

If you have additional documentation please consider donating a copy to our free archive.


This website is not affiliated with or sponsored by Sennheiser. To purchase HD 420/HD 420-9 spares or accessories, please contact the company via their website or visit an authorised retailer.