Phone: 02-9798-9233 Fax: 02-9798-0017 Audio Speakers & PA 03-62 PA Plena Mixer Amplifiers Bosch PLENA PUBLIC ADDRESS SOLUTIONS Plena Solutions can be used to tailor the public address system to the precise needs of small-to-mid-sized locations. Plena offers facilities for background music, paging and playing pre-recorded commercials and additional power for applications such as hotels, offices and shopping malls. • High quality sound and construction • Ideal for small to mid-sized applications • Easy expandability and function • Easy to install and maintain PLENA INDUCTIVE LOOP AMP The Plena Loop Amplifier is a cost-effective amplifier designed to drive a wire loop installed in the floor or ceiling, covering an area of up to 600M² per amplifier. This solution enables hearing-aid users in the area enclosed by the wire loop to hear all announcements, or music. Hearing-aid users can set their devices to the Tmode setting to receive the signal coming from the loop. They receive announcements in excellent audio-quality, without the background noise or reverberations that normally impair intelligibility for people with hearing disabilities. • High power, current driven amplifier • Two microphone/line inputs, one priority input (100 V) • Selectable frequency range and tone controls • Limiter and automatic gain control (AGC) • Integrates in an EN 54‑16 and EN 60849 compliant system Code PLN-1LA10 Slaveout AGC Metal loss compensation Limiter 100V 0 Vox Mix On Off Phantom Phantom Mic Line On Off Mic Line LineOut Fault Loop Apparatusdelivered Connected for 230V Out Com 5K 10K 1 2 230V 115V NO C NC On Off Priority input Master In Master in SlaveOut 0º 90º Supervision Line fuse: 230V3A 115V6A Loop Out Com Line fuse: 230V3A 115V6A LOOP NOT INCLUDED INDUCTION LOOP TESTER Code PLN-ILR LBB1941-00 / LBB1946-00 Microphone Not Included PLENA POWER AMPS A powerful range of power amplifiers in a 2U high 19” case for rack mounting or tabletop use. LEDs on the front panel show the status of the amplifier: power, audio output level, and supervised functions. This high-performance unit fulfils a wide range of public address requirements at a surprisingly low cost. Input Output Code 1 120Wrms LBB1930/20 1 240Wrms LBB1935/20 1 480Wrms LBB1938/20 1 1000Wrms PLN-1P1000 • High power amplifier in a compact housing • 70V / 100V and 8 ohm outputs • Dual inputs with priority switching • 100 V input for slave operation on 100 V speaker line • Temperature controlled forced front to back ventilation, directly stackable. PLENA MIXER 6 ZONE PRE-AMP The Plena system pre-amplifier is a versatile, high performance unit with call and mono BGM (background music). It fulfills a wide variety of public address requirements at a surprisingly low cost. It can provide dual channel operation for simultaneous calls and BGM for up to six different zones, using two Plena amplifiers. Mic. Input Zone Insert Output Code 2 3xRCA 6 No Line LBB1925/10 3 Tel/EMG 0 L R 14 5 /Line /Line Trigger 1 Trigger 2 PCAudoln 1.Audio+ 2.0V 3.Audio4.24Vd.c. 5.Allcall 6.Data7.Data+ 8.Chs.GND RS232 Aux CD MasterOut Out 100V 0 100V 0 100V 0 100V 0 115V 230V 100V 0 100V 0 +24V- +24V3 7 8 6 1 5 2 4 3 1 5 2 4 3 1 + - 2 GND 3 2 + - 1 GND 100V 0 100V 0 Off On MainPower Battery Input Fault Relays' Output NOCOMNC Off On NO COM NC NO COM NC Battery Detection Pilot-tone Detector Input Input Input Output Input 2-Progr Power am Input 1-Priority Input 1 Priority Slave Input 100V Input 2 Enable 100V 0 2..24V Default Off GND 2..24V Default On GND 24V DCIn Priority Only No Priority 100V 100V 0V 0V Priority Controlled Output 100V 0 70V 0 8 Direct Output POWER AMPLIFIER ONLY WITH 100V LINE + 8Ω OUTPUT PRE-AMPLIFIER ONLY - REQUIRES AMP • Six-zone system pre-amplifier, with single or dual channel operation • Two input channels for call stations • Universal input for microphone/line, with speech optimised tone control • Three inputs for BGM selection and music optimised tone control • Front panel zone selection for BGM and call station zone selection for calls • PC and trigger inputs for automated calls, alarm tones and chimes to selected zones INDUCTION LOOP NECKBAND The neckband magnetically couples the sound signal from the headphone output to a ‘T-coil’ hearing aid. Code HDP-ILN
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