Conference room audio configuration: 29 Bosch CCS 1000 microphones

Overview: Bosch CCS 1000 29-Microphone Conference Room Audio Configuration
A conference room audio configuration with 29 microphones (also known as a large meeting room sound system) is an audio system designed to provide high-quality sound in large meeting rooms, events, company meetings, or conferences. It's a complex solution requiring the integration of many technical elements and equipment to ensure that everyone in the room can hear and communicate effectively.

Here are some of the key components you might find in a 29-microphone conference room audio configuration:

– Microphones (29 microphones): These are microphones used to capture sound from various sources in the room, including participant voices, presentations, and sounds from different devices such as computers, projectors, and remote audio sources.

– Sound System (Amplifiers and Speakers): To reproduce sound and play it back to everyone in the room, you need a powerful amplifier and speaker system.

– Mixers and Processors: To adjust sound quality and control each sound source, you need a mixer and an audio processor.

– Connections and Cables: To connect all the components together and to other devices such as computers and projectors, you need cables, connectors, and audio signal transmission devices.

– Control System: To manage and adjust the sound configuration, you need a control system, usually a computer or remote control.

– Acoustic Treatment: To reduce reverberation and improve sound quality in the room, you may need to use acoustic treatment materials and equipment such as acoustic diffusers and sound attenuators.

– Screens and displays: If the meeting or event requires visual displays, you should also consider including screens, projectors, or similar equipment.

The Bosch CCS 1000 29-microphone conference room audio system configuration includes:
29 CCSD-DL-EU delegate microphones
1 Bosch CCSD-CURD central control unit
4 Bosch LB2-UC30-L1 30W box speakers
1 Bosch PLE 1MA120 EU 120W amplifier
1 Aplus K-6000pro feedback suppressor
1 Aplus AC-2060 wireless microphone set
1 APlus AC-PS08 power splitter
1 Bosch LBB 3310/10 10-meter microphone connecting cable
1 12U sound cabinet
Technical specifications of the Bosch CCS 1000 29-microphone conference room audio system configuration:
1. CCSD-DL-EU delegate microphones

CCSD-DL-EU gooseneck microphones

– Power consumption Power: 1.3 W
– Frequency response: 30 Hz to 20 kHz (Powered system)
– THD: <0.5%

– S/N: >93 dBA

– Sampling rate: 44.1 kHz
– Headphone load impedance: >32 ohms <1k ohm

– Maximum speaker. Peak output power: 4 W

– Nominal speaker output: 72 dB SPL
– Participant speaker frequency response: 200 Hz to 16 kHz (audio)

– Microphone polar pattern: Cardioid

– Participant microphone frequency response: 125 Hz to 15 kHz

– Nominal microphone input: 85 dB SPL

2. Bosch CCSD-CURD Central Control Unit

– Voltage: 100 to 240 VAC ± 10%

– Frequency: 30 Hz to 20 kHz

– Number of delegate units managed: 40 units.

– Dimensions: 45 x 440 x 200 mm(1.8 x 17.3 x 7.9 in)19”
– Gain : -10.5 to +12
– Weight :  3.4 kg
– Color: Ash – Black

3. Bosch LB2-UC30-L1 30W box speaker

Maximum power 45 W
Rated power (PHC) 30 W
Power tapping 30/ 15/ 7.5/ 3.75 W
Sound pressure level
at rated power / 1 W

(1 KHz, 1 m)

105 / 90 dB (SPL)
Effective frequency range (-10 dB) 100 Hz to 18.5 KHz
Opening angle at 1 KHz / 4 KHz (-6 dB) Horizontal: 160º / 81º
Vertical: 150º / 90º
Rated input voltage 15.5/ 70/ 100 V
Rated impedance 8/ 163/ 333Ω
Transducers
Woofer 127 mm
Dome tweeter 13 mm
Connection 2 m two-wire cable
Color White (RAL 9010)
Dimensions 250 x 60 x 140 mm
Weight 2.4 kg
4. Bosch PLE 1MA120 EU 120w Amplifier

Bosch PLE 1MA120 EU 120w Amplifier

– 4 microphone/line inputs with phantom power.

– 3 VOX music inputs (selectable).

– Call center and telephone number input with priority.

– RJ45 call center input with ringing.

– Sensitivity Mic/Line: 1 mV (mic); 1 V (line).

– Frequency response: 50 Hz – 20 KHz (+1/-3 dB @ -10 dB ref. rated output).

– Volume control knobs for each microphone/line input.

– Bass/treble control knobs and music input control knob.

– Connections: XLR jack, 6 mm.

– Fan noise level: < 33dB SPL @ 1m.

– Power supply: 230VAC.

– Power consumption: 400VA.

– Speaker power: 120W.

– Dimensions: 100 x 430 x 270 mm.

– Weight: 10.5 kg.

5. Aplus K-6000pro Feedback Suppressor

– Maximum input voltage for music: +14dBu (4V RMS)

– Maximum output voltage for audio input Output: +14dBu (4V RMS)

– Music Boost: 0dB, +3dB, +6dB

– Microphone Sensitivity: 64mV (Output: 4V)

– S/N: >90dB

– Power Supply: 220V/AC/50Hz

– Optical, USB, and AV Connections

– Bass, Treble, Delay, Echo, and Reverb Adjustments

– 3 Microphone Inputs with Separate Knobs

– Highly Effective Feedback Suppression with FBX Mode

– Information Display Screen

– Excellent for Karaoke and Music Listening

– 99% Feedback Suppression, with Reverb and Echo

– Analog Devices ADSP-21571 Chipset, the latest ADI series, high-speed 64-bit dual-core DSP processor

– Only