BOSCH LBB 1925/10 PLENA SYSTEMS PER-AMPLIFIRE + VOICE ALARM CALL STATION+KEYPAD See the Pictures before Order. You will get what you see in the pictures. ONLY " BOSCH LBB 1925/10 PLENA SYSTEMS PER-AMPLIFIRE + VOICE ALARM CALL STATION+KEYPAD " NO OTHER ACCESSORIES ARE INCLUDED ONLY THE ITEM SHOWN IN THE PICTURE DO NOT REMOVE SECURITY SEAL (RETURN VOID IF SEAL IS REMOVED OR DAMAGE) And In any case, if you receive an item that needs to be returned due to damage or other reasons, please make a video before opening it after receiving the package, otherwise the damaged item will be refused a return. MIXER PRE-AMPLIFIER BOSCH LBB-1925 • 6-zone system pre-amplifier, withsingle or dual channel operation • Two inputs for call stations • Universal input for microphone/line, with speech optimized tone control • Three inputs for BGM selectionand music optimized tone control • Front panel zone selection forBGM and call station zone selection for calls • PC and trigger inputs for automated calls, alarm tones and chimes to selected zones. The Plena system pre-amplifier is a high-performance, versatile call and BGM (background music) mono preamplifier, capable of fulfilling a wide variety of public address requirements. It provides dual channel operation for calls and BGM simultaneously for up to a maximum of six different zones, using two Plena booster amplifiers. In addition, single channel operation is possible with only one Plena Amplifier. Functions The call channel provides two inputs for Plena call stations, LBB 1941/00 (all-call) or LBB 1946/00 (6-zone), with loopthrough capability, and a universal balanced input, having the choice of a 3-pin XLR connector for microphone or line level (selectable), or a 5-pin DIN-connector with all-call priority contact, which may also start one of the available chime attention signals. The microphone input has a selectable speech filter for improved intelligibility, a volume control, and bass and treble tone controls with shelving characteristics optimized for speech. The call channel is available on the balanced XLR master output. The BGM channel provides three inputs on stereo Cinchconnectors, converted to mono, with front panel selection, volume control and bass and treble tone controls with shelving characteristics optimized for music. The BGM channel has a direct output on balanced XLR for dual channel operation. It can also feed the master output, with the lowest priority, for single channel operation. The routing of BGM can be selected by means of zone selector switches on the front panel. An emergency/telephone input with signal level detector (VOX) and rear volume preset may detect an audio signal and has the highest priority to all zones. Two trigger inputs (contact closure) control alarm or time signals to selectable zones. Many different chine tones are available for selection. Furthermore, a PC audio input with RS-232 control has been provided for PC control of zones or automatic messaging in combination with the Plena message manager. There are six levels of priority available for BGM, microphone, call stations, trigger inputs and emergency input. The LBB1925/10 has a set of relays for zone-switching the power amplifier output(s) to different loudspeaker groups. Each of the zones can be switched between the call channel (upon call-station selection or all-call microphone or emergency activation), the BGM channel (upon front panel selection), or off.
We are sorry to inform you that we don't have a return policy, You will receive what you see in the picture. Please do contact us for any clarification if you may have and we will be happy to assist you as much as possible. Shipping Policy
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