Description
Product details of BOSCH LBB 1965/00 Plena Message Manager Price in BD for PA System Supplier Price BD
Up to 12 messages can be stored in the internal 64Mbit EEPROM, without the need for data retention battery backup. Each message can have any length within the total available capacity. A PC uploads messages and configurations via RS-232 to the unit, which can then operate without a PC. The standard WAV format is used for messages with sample rates of 8 kHz to 24 kHz with 16-bit word length (linear PCM). This gives up to 500 seconds of recording time with a CD‑quality signal-to-noise ratio. The use of linear PCM instead of a compressed audio format, such as MP3, ADPCM and u-law/A-law, ensures high-quality playback of all types of audio signals, including sound effects and special tones, such as attention chimes.
The unit has 12 contact closure trigger inputs for announcements. Each can be configured for a sequence of up to four messages from those available. In this way messages can be used in combination with other messages, optimizing flexibility and storage space usage. When used together with the six-zone LBB 1925/10 Plena System Pre-Amplifier, a zone selection can be configured for each trigger input. The message manager communicates this selection to the LBB 1925/10 via an RS-232 connection. Continuous activation of a trigger input causes the corresponding message sequence to repeat.
Specifications of BOSCH LBB 1965/00 Plena Message Manager Price in BD for PA System Price BD.
| Electrical | |
| Mains power supply | |
| Voltage | :230/115 VAC, ±10%, 50/60 Hz |
| Inrush current | :1.5 A at 230 VAC / 3 A at 115 VAC |
| Max power consumption | :50 VA |
| Battery power supply | |
| Voltage | :24 VDC, +15% / -15% |
| Current | :max 1 A |
| Performance | |
| Supported sample rates (fs) | :24 / 22.05 / 16 / 12 / 11.025 / 8 kHz |
| Frequency response | |
| @ fs=24kHz | :100 Hz to 11 kHz (+1 / -3 dB) |
| @ fs=22.05kHz | :100 Hz to 10 kHz (+1 / -3 dB ) |
| @ fs=16kHz | :100 Hz to 7.3 kHz (+1 / -3 dB ) |
| @ fs=12kHz | :100 Hz to 5.5 kHz (+1 / -3 dB) |
| @ fs=11.025kHz | :100 Hz to 5 kHz (+1 / -3 dB) |
| @ fs=8kHz | :100 Hz to 3.6 kHz (+1 / -3 dB) |
| Distortion | :<0.1% at 1 kHz |
| S/N (flat at max volume) | :>80 dB |
| Supervision DAC | :1 Hz pilot tone |
| Line input | :1 x |
| Connector | :3-pin XLR, balanced |
| Sensitivity | :1 V |
| Impedance | :20 kohm |
| CMRR | :>25 dB (50 Hz-to 20 kHz) |
| Line input | :1 x |
| Connector | :Cinch, unbalanced |
| Sensitivity | :1 V |
| Impedance | :20 kohm |
| Trigger input | :6 x |
| Connector | :Screw |
| Activation | :Contact closure |
| Supervision method | :Cable loop resistance check |
| Line output | :1 x |
| Connector | :3-pin XLR, balanced |
| Nominal level | :1 V, adjustable |
| Impedance | :<100 ohm |
| Line output | :1 x |
| Connector | :Cinch, unbalanced |
| Nominal level | :1 V, adjustable |
| Impedance | :<100 ohm |
| Message active output | :1 x |
| Connector | :Screw |
| Relay | :100 V, 2 A (voltage free, SPDT) |
| Fault output | :1 x |
| Connector | :Screw |
| Relay | :100 V, 2 A (voltage free, SPDT) |
| Interconnection | :1 x |
| Connector | :9-pin D-sub (RS-232) |
| PC protocol | :115 kb/s, N, 8, 1, 0 (upload) |
| LBB 1925/10 protocol | :19.2 kb/s, N, 8, 1, 0 (zone control) |
| Messages | |
| Data format | :WAV-file, 16-bit PCM, mono |
| Memory capacity | :64 Mb EEPROM |
| Recording/playback time | :500 s @ fs=8 kHz, 167 s @ fs=24 kHz |
| Number of messages | :12 (maximum) |
| Data retention time | :>10 years |
| Mechanical | |
| Dimensions (H x W x D)
feet) |
:56 x 430 x 270 mm, 2.20 x 16.92 x 10.62 inch,(19″ wide, 1U high, with
|
| Weight | :Approx. 3 kg |
| 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% |
Ratings & Reviews of BOSCH LBB 1965/00 Plena Message Manager Price in BD for PA System
Average rating and reviews of this product is very high because of high quality hardware.
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