Sennheiser 140 manual Self-learning automatic level control with memory function

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headphones automatically turn off. By pressing the TUNE button, the headphones can be turned on again.

Self-learning automatic level control with memory function

The transmitter is equipped with an automatic level control which ensures that the headphones always receive an optimum signal. The level is continuously adjusted during operation and remains stored as long as the transmitter is connected to the mains.

Under-modulation (audio signal too low)

With under-modulation, the yellow LED “INPUT LEVEL” flashes slowly. If this happens, gradually increase the volume of the sound source. If the audio signal remains too weak, an optimum trans- mission is not possible. It could be that the transmitter is deactivated after some time.

Over-modulation (audio signal too high)

With over-modulation, the yellow LED “INPUT LEVEL” flashes rapidly. If this happens, gradually reduce the volume of the sound source.

Dynamic compression system (Fig. 8)

The RS 140 system is equipped with a switchable dynamic compression system. This system reproduces soft passages louder and decreases loud sounds. To activate the dynamic compression system, move the slide switch “COMPRESSION” on the transmitter to the right. The yellow LED “COMPRESSION” lights up. If the LED flashes slowly, gradually increase the volume of the sound source (see “Under-modulation”).

Automatic noise reduction

In addition, the transmitter features a “Noise Gate” function, which reduces hissing noise when no audio signal is transmitted (e.g. during pauses).

ENGLISH

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Contents 5ON/OFF ∆ήλωση Συµµόρφωσης Delivery includes Wall mounting Safety instructionsCharging the rechargeable batteries Connecting the transmitter FigRemoving the ear cushions Inserting the rechargeable batteries FigTurning the transmitter on and off Fig Turning the headphones on and off ON/OFF, FigAdjusting the volume VOLUME, Fig Adjusting the balance BALANCE, FigDynamic compression system Fig Under-modulation audio signal too lowOver-modulation audio signal too high Self-learning automatic level control with memory functionCharge Meanings of the LEDs and acoustic signalsIf problems occur Turning the acoustic signals beeps on and offType approval regulations AccessoriesWarranty Specifications

140 specifications

The Sennheiser HD 140 is a captivating entry in the world of audio equipment, tailored for both casual listeners and audio professionals who seek clarity and comfort in their listening experiences. Renowned for their quality, Sennheiser continues to push boundaries with the HD 140, equipping it with a host of features and technologies that make it stand out.

One of the main features of the HD 140 is its ergonomic design, aimed at providing maximum comfort during extended use. The headphones are lightweight, and the padded ear cups, coupled with an adjustable headband, ensure a snug yet gentle fit. This comfort is essential for audiophiles who spend hours enjoying their favorite music, podcasts, or films without experiencing discomfort.

The sound quality of the Sennheiser HD 140 is exceptional, offering a wide frequency response that captures both the highs and lows with remarkable clarity. Thanks to Sennheiser’s proprietary transducer technology, users can expect an expansive soundstage that delivers rich bass, detailed mids, and crisp highs. This makes the HD 140 suitable for various genres of music, from classical to electronic, making it a versatile choice for all listeners.

Another noteworthy characteristic of the HD 140 is its passive noise isolation. Engineered to block outside noise effectively, these headphones allow users to immerse themselves in their audio without disruptions. This is particularly beneficial in noisy environments such as public transport or busy offices, where focus can be easily lost.

In terms of technology, the HD 140 features a robust build quality that ensures durability while maintaining a lightweight profile. The use of high-quality materials not only enhances longevity but also contributes to a refined aesthetic. Furthermore, Sennheiser has implemented a detachable cable that allows for easy replacement or upgrading, a thoughtful addition for those who prioritize versatility in their audio gear.

Ultimately, the Sennheiser HD 140 embodies a combination of comfort, outstanding sound quality, and thoughtful engineering. Suitable for music enthusiasts and professionals alike, its blend of features caters to a variety of listening preferences. Whether at home or on the go, the HD 140 promises to deliver an exceptional auditory experience, making it a valuable addition to any audio setup.
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