HD 51

Products for Industry Stereo Headphones

Cat. No. 003512

HD 51-26-0

Cat. No. 003511

HD 51-16-0

General Description

The HD 51 is a pair of open, dynamic stereo headphones which are small, light, robust and comfortable to wear. The headband has extra padding for added comfort. The ear pads can easily be changed, and the headphones can be supplied with any company logo printed on them.

Technical Data

 

Frequency response

18 – 20,000 Hz

Transducer principle

dynamic, open

Nominal impedance

300 Ω* as standard

Characteristic SPL

100 dB (at 1 kHz)

THD

< 1 %

Ear coupling

supra-aural

Contact pressure

approx. 1.3 N

Weight (without cable)

approx. 55 g

Connection cable

1.2 m, single-sided

Connectors

 

HD 51-16-0

right-angled 3.5 mm stereo jack

 

(ARiNC type A1)

HD 51-26-0

right-angled 3.5 mm double mono jack

 

(ARiNC type A2)

Features

Exceptionally light

Compact design

Robust

Replaceable ear pads

Superb frequency response

Single-sided cable

Choice of connectors (see Technical Data)

￿Company logo option

Recommended Accessories

 

￿Ear pads (1 pair)

Cat. No. 047299

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Sennheiser HD 51 manual Products for Industry Stereo Headphones, Cat. No

HD 51 specifications

The Sennheiser HD 51 is a premium over-ear headphone that has garnered attention for its superior sound quality and high-end features, making it a favorite among audiophiles and casual listeners alike. This model is part of Sennheiser's extensive line of headphones, known for their commitment to delivering exceptional audio experiences.

One of the standout features of the HD 51 is its exceptional sound reproduction. The headphones utilize high-performance dynamic drivers that produce a wide frequency response, ensuring that listeners can hear every detail in their music. The bass response is powerful yet controlled, offering a rich listening experience while maintaining clarity in mids and highs. This balance is especially beneficial for a variety of genres, from classical to hip-hop.

Comfort is another significant characteristic of the Sennheiser HD 51. The ear cups are generously padded with soft material, allowing for extended wear without discomfort. The adjustable headband means that users can achieve a personalized fit, securing the headphones in place while ensuring that they do not put too much pressure on the head.

In terms of technology, the Sennheiser HD 51 features an open-back design that contributes to a natural and expansive soundstage. This design allows sound waves to pass through the ear cups, creating a more immersive listening environment. It’s ideal for home listening or quiet settings where users can take full advantage of the headphone's capabilities without concerns about external noise interference.

Additionally, the HD 51 is equipped with detachable cables, providing flexibility and easy replacement if the cables become damaged. This thoughtful design aspect demonstrates Sennheiser's commitment to longevity and practicality in their headphones.

Another noteworthy point is the aesthetic appeal of the HD 51. With a sleek design and choice of finishes, these headphones not only sound great but also look stylish. The robust build quality ensures that they can withstand daily use while maintaining their premium feel.

In summary, the Sennheiser HD 51 combines superior sound quality, comfort, and attractive design into a single package. Ideal for music lovers seeking an exceptional audio experience, these headphones reflect Sennheiser's dedication to audio excellence and innovation in headphone technology.