Bosch LBB 1968/00 8900 196 80001 Plena Feedback Suppressor Netherland
Technical Specifications:
| Electrical | |
|---|---|
| Mains power supply | |
| Voltage | 230/115 VAC, ±10%, 50/60 Hz |
| Inrush current | 1.5 A @ 230 VAC / 3 A @ 115 VAC |
| Max power consumption | 50 VA |
| Performance | |
| Sample rate (fs) | 32 kHz |
| Frequency response | 125 Hz to 15 kHz |
| Distortion | <0.1 % @ 1 kHz |
| Gain (bypass mode) | 0 dB line in, 24 / 36 / 48 dB mic in |
| Gain (active mode) | 0 dB line in, 24 / 36 / 48 dB mic in |
| S/N | > 90 dB |
| Signal delay | <11 ms |
| Decorrelator | Frequency shift, 5 Hz up Masked noise |
| Mic / line input | 1 x |
| Connectors | 3-pin XLR, 5-pin DIN, balanced |
| Max level | 18 / 6 / -6 dBV line in, -18 / -30 / -42 dBV mic in |
| Impedance | 10 kohm / 2 kohm (line / mic) |
| CMRR | > 25 dB (50 Hz to 20 kHz) |
| Phantom power | 16 V (mic only, switchable) |
| Priority control | Loop through of pin 4 and 5 of DIN |
| Mic input | 1 x |
| Connectors | 3-pin XLR, 5-pin DIN, balanced |
| Max level | -18 / -30 / -42 dBV |
| Impedance | 2 kohm |
| Phantom power | 16 V (switchable) |
| Priority control | Loop-through of pin 4 and 5 of DIN |
| Line input | 1 x |
| Connector | Cinch, unbalanced |
| Max input level | 18 / 6 / -6 dBV |
| Impedance | 20 kohm |
| Line output | 1 x |
| Connector | 3-pin XLR, balanced |
| Max level | 18 / 6 / -6 dBV (line in), 6 dBV (mic in) |
| Impedance | <100 ohm |
| Line output | 1 x |
| Connector | Cinch, unbalanced |
| Max level | 18 / 6 / -6 dBV (line in), 6 dBV (mic in) |
| Impedance | <100 ohm |
| Mic output | |
| Connector | 5-pin DIN, balanced |
| Max level | 22 / -34 / -46 dBV (line in), 34 dBV (mic in) |
| Impedance | <100 ohm |
| Priority control | Loop-through of pins 4 and 5 of DIN from inputs |
| Mechanical | |
| Dimensions (H x W x D) | 56 x 430 x 270 mm, (19″ wide 1U high) |
| Weight | 3 kg (6.6 lb) |
| Mounting | Stand-alone, 19″ rack |
| Color | Charcoal |
| Environmental | |
| Operating temperature | -10 ºC to +55 ºC (14 ºF to +131 ºF) |
| Storage temperature | -40 ºC to +70 ºC (-40 ºF to +158 ºF) |
| Relative humidity | <95% |
- S/N: ZX000449003809
- LBB 1968/00
- 8900 196 80001
- MADE IN TAIWAN
Ensure crystal-clear, distortion-free speech and music with the Bosch LBB 1968/00 Plena Automatic Feedback Suppressor. This professional audio processor is engineered to intelligently detect and eliminate howling and feedback before it becomes audible, allowing you to maximize your sound system’s gain and performance with absolute reliability. Ideal for challenging environments like conference rooms, houses of worship, lecture halls, and public address systems.
Key Features & Benefits:
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Advanced Automatic Feedback Suppression:Â Utilizes sophisticated algorithms to instantly identify and notch out feedback frequencies. This ensures your presentations, speeches, and performances are delivered with pristine audio quality, free from disruptive and embarrassing howls.
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Maximum Gain Before Feedback:Â Push your sound system further. By effectively managing feedback, this unit allows for significantly higher microphone gain, providing greater coverage and audibility without compromising on sound integrity.
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Simple, Set-and-Forget Operation:Â The LBB 1968/00 is designed for ease of use. Its automatic mode requires minimal setup, making it perfect for installers and operators of all experience levels. Just connect it, and it works silently in the background.
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Twelve Independent Filter Bands:Â Equipped with 12 highly precise filters (6 dynamic and 6 fixed), the suppressor can handle multiple feedback problems simultaneously across the entire frequency spectrum, ensuring comprehensive protection for complex audio setups.
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Robust Plena System Integration:Â As part of the renowned Bosch Plena audio platform, this feedback suppressor integrates seamlessly with other Plena mixers, amplifiers, and controls, offering a complete, professional sound management solution.
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Rugged, Reliable Build:Â Housed in a sturdy 1U 19-inch rack-mount chassis, it’s built for the rigors of permanent installation in commercial and institutional settings. The “Made in Netherlands” designation assures you of its high-quality manufacturing standards.
Technical Specifications:
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Model:Â LBB 1968/00
-
Product Line:Â Bosch Plena
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Type:Â Automatic Feedback Suppressor
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Filters:Â 12 total (6 Dynamic, 6 Fixed)
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Frequency Response:Â 20 Hz – 20 kHz
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Total Harmonic Distortion (THD):Â < 0.05%
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Signal-to-Noise Ratio:Â > 90 dB
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Mounting:Â 1U, 19-inch Rack Mount
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Origin:Â Netherlands
Ideal For:
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Corporate & Boardroom Conference Systems
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Houses of Worship & Auditoriums
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Lecture Theaters & Educational Facilities
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Courtrooms & Government Buildings
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Public Address (PA) and Voice Alarm (VA) Systems
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Any fixed installation requiring stable, feedback-free audio



















