Sennheiser HD 31 User manual

HD 31

Products for Industry | Stereo Headphones

General Description

The HD 31 is a pair of open, dynamic stereo headphones which are small,

light, robust and comfortable to wear. The ear pads can easily be changed,

and the headphones can be supplied with any company logo printed on

them.

Features

j

Exceptionally light

j

Compact design

j

Robust

j

Replaceable ear pads

j

Weiter Übertragungsbereich

j

Excellent frequency response

j

Choice of connectors (see Technical Data)

j

Company logo option

Recommended Accessories

j

Ear pads (1 pair) Cat. No. 047299

Technical Data

Frequency response .................................................20 – 20,000 Hz

Transducer principle.................................................. dynamic, open

Nominal impedance .........................................300 Ω* as standard

Characteristic SPL ...................................................94 dB (at 1 kHz)

THD ...............................................................................................< 1 %

Ear coupling ......................................................................supra-aural

Contact pressure ..........................................................approx. 1.3 N

Weight (without cable)................................................ approx. 50 g

Connection cable.................................................1.2 m, single-sided

Connectors

HD 31-16-0................................. right-angled 3.5 mm stereo jack

(ARiNC type A1)

HD 31-26-0.....................right-angled 3.5 mm double mono jack

(ARiNC type A2)

Cat. No. 003510 HD 31-26-0

Cat. No. 003509 HD 31-16-0

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