Sennheiser LSP speakers 500 Pro provide public address in the 63 edition of the Lindau Nobel Laureate Meeting

The annual meeting of Nobel laureates in Lindau (Germany) has relied on Sennheiser technology for the public address systems that were installed in the different locations where the conferences took place, debates and celebrations.

On the shores of Lake Constance, in the Bavarian town of Lindau, they meet, from 1951 Nobel Prize winners. This year, of the 30 from June to 5 July, they have met 34 winners of these awards and more 600 undergraduate and graduate students 78 countries. Chemistry applied to sustainability and green energy have been the central topics of a meeting, which this year celebrates its 63rd edition.

Conferences, debates and master classes with highly experienced researchers have been the events that have been organized on the occasion of the Lindau Nobel Laureate Meeting and which have been held in various locations, from the district town hall to the city theater.

At the company Boss Movie has been in charge of providing support and media equipment. “We set up an event stage and other equipment at Lindau Inselhalle. However, What was particularly technically demanding was providing the media equipment and support to the various decentralized event venues, especially in relation to photography equipment, sound and video, explains Mihály Baas, CEO of the company.

Four LSP loudspeakers were used for the mobile public address systems. 500 Pro Sennheiser, often in master/slave mode. The main speaker was equipped with two Sennheiser EM receivers 300 G3 with network connection capability, controlled via an iPad app for the public address system. An SR transmitter was also installed 300 Sennheiser G3 IEM in the top slot of the main speaker. Voice signals were supplied by SKM portable transmitters 500-935/965 G3 Evolution and SK pocket transmitters 300/500 G3.

One of the uses that was given to LSP 500 Pro was to broadcast the welcome speech from the reception in the gardens of the Hotel Bad Schachen. “The integrated tilt function allowed us to position the LSP 500 Pro on a high terrace and, even so, to be able to address evenly the entire audience below, with an exceptional level of sound clarity”, Commentator Mihály Baas. In addition to voice transmission, The speakers were also used to play music. At the presentation of the Lindau media library, a laptop was used for sound.

The operation of LSP systems 500 They met the expectations required for the event, both for functionality, quality as well as autonomy, tal y como explica Mihály Baas. “They were operational on the day and, although we ran them for about two hours without an external power source, the battery indicator still showed a 60% of capacity. Some of the most useful features are the independent digital display and easy access to batteries for replacement. The sound is good too: The bass is powerful and the entire sound image is well balanced”.

A complete solution

The LSP speaker 500 Pro is designed with an impact-resistant polyurethane coating that protects from damage even in the harshest conditions. If required, to the casing, with a matte black finish ,Can be encapsulated in a white elastic cover and has custom-made wheeled carry bags. The electrical network cable, A waterproof protective cover and other accessories are stored in a compartment on the top of the case, which also includes an ergonomically designed carrying handle.

A woofer 8 inches and a ¾-inch horn-mounted tweeter driver with a dispersion pattern of 80 x 60 degrees, ensure your sound. The frequency response ranges from 65 Hz a 18 kHz (-10 dB).

The two speakers are powered separately by Class D output stage modules with power outputs of 120 W in peak and 55 W in continuous. Power can be supplied via a low power mains cable or wirelessly, which is possible thanks to its two integrated rechargeable batteries.

These lithium ion batteries (LBA 500 the Sennheiser) They are easy to remove from their slots and are hot swappable, which means that they can be replaced without having to interrupt the operation of the speaker. As soon as the state of charge of a battery reaches a low level, the second battery takes over automatically. Battery run time varies depending on how the LSP is used 500 PRO. With fully charged batteries you can achieve up to eight hours of continuous operation. Batteries can be recharged externally with a standard NP-1 rechargeable battery charger.

Integrated mixing desk

The LSP team 500 Pro includes a built-in mixer 7 channels that can process different types of signal. Music input is via two analog RCA jacks. A mic/line input with switchable phantom power is also available on the rear of the speaker.

A USB port is used for digital audio data input, what, with proper configuration, Can also be used as a digital recording output for recording to USB media, an extremely practical solution not only for recording lectures.

Wireless music playback is possible thanks to Bluetooth (For example, from a mobile phone). WPA2 encryption is used for WLAN operation. Three slots can be used to connect evolution G3 transmitters (max. 1 of 3) and receivers (max. 3 of 3) from Sennheiser in a format 9,5 inches.

The built-in mixer has DSP algorithms including a compressor/limiter combination that can shape the sound and avoid directionality issues. It is possible to place a semi-parametric equalizer on all inputs and outputs.

A useful feature is the ability to delay the output signals to compensate for delay lines in distributed speaker setups.. If distributed speakers cannot connect wirelessly, can be wired using the Link Out combo output. This output has a switchable low-pass filter allowing you to connect an external subwoofer as needed without the need for other peripheral devices.. It also has a stereo line output (2 RCA).

Control con iPad

An iPad application allows easy control and can be used to manage up to 20 speakers, which means saving work. Settings can be made for individual speakers or for multiple speakers at once. Without the app, the LSP 500 Pro is very easy to operate. A high-contrast OLED display with a simple menu structure and variable function assignment of the control elements on the screen ensures optimal clarity of the control system.

audio system

• The Sennheiser sound equipment used in the edition 63 of the Lindau Nobel Laureate Meeting was made up of: Four LSP speakers 500 Pro for public address system
• EM receivers 300 G3 with SKM portable transmitters 500-935/965 G3 and SK pocket transmitters 300/500 G3
• SR transmitters 300 IEM G3 with EK 300 G3 IEM for wireless control