Plena Weekly Timer
The Plena Weekly Timer is part of the Plena product range. Plena provides public address solutions for places where people gather to work, worship, trade, or to relax. It is a family of system elements that are combined to create public address systems tailored for virtually any application. The Plena Weekly Timer (which is perfectly suited for connecting to the Plena Message Manager and Voice Alarm System) is an accurate timer for use in public address systems. It is ideal for schools, shopping malls and all other venues, where regularly timed messages, signals or other controls are required.
LBB 1990/00 Plena Voice Alarm Controller
The Plena Voice Alarm Controller unit is the heart of the voice alarm system. The controller has two BGM source inputs and a mic/line input with configurable priority, speech filter, phantom power and selectable VOX activation. A total of 16 priority levels can be specified for microphone, call stations and trigger inputs for optimum system flexibility. The powerful 240 W output section has six transformer-isolated 100 V constant-voltage outputs for driving 100 V loudspeakers in six separate zones.The 100 V-technique reduces line losses on longer distances and provides easy parallel connection of multiple loudspeakers.
1938/20 Plena Power Amplifier
The amplifier is protected against overload and short circuits. A temperature-controlled fan ensures high reliability at high output levels and low acoustic noise at lower output levels. An overheat protection circuit switches off the power stage and activates an LED on the front panel, if the internal temperature reaches a critical limit due to poor ventilation or overload. The unit operates both on mains power and on a 24 V battery power supply for emergency backup, with automatic switchover. The amplifier has 70 V and 100 V outputs for constant voltage loudspeaker systems and a low impedance output for 8 ohm loudspeaker loads.
LBC 3080/01 Fire Dome
The Bosch LBC 3080/01 Fire Dome prevents smoke from entering through the ceiling speaker cavity during a fire. During a fire, the ceiling cavity can allow fire or smoke to spread throughout a building. To inhibit fire entering the cavity via the ceiling loudspeaker, it can be fitted with anLBC 3080/01 steel fire dome. This is mounted on the loudspeaker assembly using four self-tapping screws supplied with the fire dome. The fire-dome has knockout holes for two grommets (supplied) and two cable glands (PG 13).This fire dome can only be used with the ceiling speakers: LBC 3087/41, LBC 3090/01, LBC 3090/31, LHM 0606/00 and LHM 0606/10.
LHM 0606/00‑US Ceiling Loudspeaker
The LHM 0606/xx is a general purpose, 6 W, cost-effective ceiling loudspeaker. The /00 version is screw mounted and the /10 version is clamp mounted into the ceiling. An optional fire dome LBC 3080/01 is available. An economic flushing-mounting ceiling loudspeaker is available for general purpose applications. This full range loudspeaker is suitable for both speech and music reproduction in shops, department stores, schools, offices, sports halls, hotels and restaurants. The speaker assembly consists of a single-piece, 6W dual cone loudspeaker and frame, with a 100 matching transformer mounted on the back. A circular metal grille is an integrated part of the front.
LP1-UC10E-1 Unidirectional Sound Projector
The LP1‑UC10E‑1 is a powerful, 10 W sound projector intended for high quality speech and music reproduction in indoor and outdoor applications. Thestate‑of‑the‑art design is matched to both modern and traditional style environments. The sound projector is suitable for use in voice alarm systems. The use of a high‑quality driver in combination with advanced filtering has resulted in a very natural sound reproduction with excellent bass response. Voice alarm loudspeakers are specifically designed for use in buildings where performance of systems for verbal communication announcements is governed by regulations. The LP1‑UC10E‑1 is designed for use in voice alarm systems.
Plena call station
The Plena call station is a stylish, high-quality call station with a stable metal base design, a flexible microphone stem and a unidirectional condenser microphone. It can make calls to selected zones (one to six and all-call) in a public address system built with the Plena Voice Alarm System. In addition to tabletop use, the special design allows it to be neatly flush mounted in desktops. The Plena Voice Alarm Keypad (LBB 1957/00) is an extension adding seven additional keys. Each call station supports six zone selections. The number of selectable zones or zone groups can be increased by connecting call station keypads (LBB 1957/00).
LBB 1957/00 Plena Voice Alarm Keypad
The LBB 1957/00 Call Station Keypad is an extension to the LBB 1956/00 Plena Voice Alarm System Call Station that adds seven additional zone-select keys. It has the same stable metal base as the call station. In addition to tabletop use, the special design allows it to be neatly flush-mounted in desktops. Each call station supports six zone selections. Connecting one of these keypads adds seven zones or zone groups that can be selected. Up to eight keypads can be added to an LBB 1956/00 call station. LEDs on the keypad indicate the active zones.
LBB 1992/00 Plena Voice Alarm Router
The Plena Voice Alarm Router is an expansion unit that can add six zones and 12 input contacts to the Voice Alarm System. It can use the built-in amplifier on the LBB 1990/00 Voice Alarm Controller, and provides inputs and outputs for one or two amplifiers in a multiamplifier one or two-channel system. It provides dual channel operation for calls and BGM simultaneously to a maximum of six different zones, using two Plena amplifiers. Additionally, single channel operation is possible with only one Plena amplifier. The LBB 1992/00 has a set of relays for zone-switching the power amplifier output(s) to different loudspeaker groups.