| Dynamic range | 100 dB |
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| Electrical | CMRR (mic) >40 dB (50 Hz to 20 kHz) |
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| Mains power supply | Loudspeaker outputs 70 V / 100 V |
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| Voltage | 115 - 230 VAC ±10%, Connector Euro style pluggable screw ter- 50/60 Hz minals |
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| Inrush Current PLE-1P120-EU | 4.5/9 A (230/115 VAC) Loudspeaker output 8 ohm |
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| Inrush Current PLE-1P240-EU | 9/18 A (230/115 VAC) |
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| Connector | Euro style pluggable screw ter- |
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| Power consumption PLE-1P120-EU | 380 VA minals |
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| Power consumption PLE-1P240-EU | 760 VA PLE-1P120-EU 31 V (120 W) |
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| Battery power supply | PLE-1P240-EU 44 V (240 W) |
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| Current PLE-1P120-EU | 5.5 A |
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| Dimensions (H x W x D) | 100 x 430 x 270 mm |
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| Current PLE-1P240-EU | 11 A (19" wide, 2U high) |
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| Charge current | 0.5 ADC Mounting Stand-alone, 19" rack |
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| Charge float voltage | 27.3 VDC Color Charcoal |
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| Weight (PLE-1P120-EU) | Approx. 10.5 kg |
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| Weight (PLE-1P240-EU) | Approx. 12.5 kg |
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| Max power (mains) | 227 W |
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| -6dB (mains) | 130 W Environmental |
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| Idle (mains) | 12 W Operating temperature -10 ºC to +45 ºC |
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| Max power (24 V) | 7 A (150 W) Storage temperature -40 ºC to +70 ºC |
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| -6 dB (24 V) | 4.4 A (194 W) Relative humidity <95% |
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| Idle (24 V) | 0.3 A (7 W) Acoustic noise level of fan <40 dB SPL @ 1 m temperature controlled |
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| PLE‑1P120‑EU Plena Amplifier | PLE-1P120-EU 120 W, 100V / 70V power amplifier |
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| PLE‑1P240‑EU Plena Amplifier | PLE-1P240-EU 240 W, 100V / 70V power amplifier www.boschsecurity.com |
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| Americas: | Europe, Middle East, Africa: Asia-Pacific: Represented by |
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| Bosch Communications Systems | Bosch Security Systems B.V. Robert Bosch (SEA) Pte Ltd |
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| Burnsville, Minnesota 55337, USA | 5600 JB Eindhoven, The Netherlands Singapore 573943 |
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| Phone: +1-800-392-3497 | Phone: + 31 40 2577 284 Phone: +65 6571 2600 |
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| Fax: +1-800-955-6831 | Fax: +31 40 2577 330 Fax: +65 6571 2698 |
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| audiosupport@us.bosch.com | emea.securitysystems@bosch.com apr.securitysystems@bosch.com |
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| www.boschsecurity.com | www.boschsecurity.com www.boschsecurity.com Installation and User Instructions |
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| en | PLE-1P120-EU PLE-1P240-EU Important safeguards Before installing or operating this product, always read the Safety Instructions, which are available as a separate document (9922 141 7014x). These instructions are supplied together with all equipment that can be connected to the mains. Thank you for choosing a Bosch Security Systems product! Table of contents Important safeguards .................. |
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| Safety Instructions (9922 141 1036x). | icons The icons used in combination with Caution, Warnings, 1.5 Alerts and Dangers indicate the type of hazard present. See the Four types of alerts are used in this manual. The alert following examples: type is closely related to the effect that may be caused if it is not observed. These alerts - from least severe effect |
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| to most severe effect - are: | Caution, Warning, Danger |
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| • Note | General icon for Cautions, Warnings and Alert containing additional information. Usually, not Dangers. observing a note alert does not result in damage to the equipment or personal injuries. • Caution The equipment can be damaged if the alert is not Caution, Warning, Danger |
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| observed. | Icon for risk of electric shock. • Warning Persons can be (severely) injured, or the equipment can be seriously damaged, if the alert is not |
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| • Danger | Icon for risk of electrostatic discharge. Not observing the alert can result in death. 1.7 Conversion tables In this manual, SI units are used to express lengths, masses, temperatures etc. These can be converted to non-metric units using the following information. table 1.1: Conversion of units of length 1 in = 25.4 mm 1 mm = 0.03937 in 1 in = 2.54 cm 1 cm = 0.3937 in 1 ft = 0.3048 m 1m= 3.281 ft |
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| ° F = 9 . ( ° C + 32) | ° C = 5 . ( ° F 32) |
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| °F= 5 | °C= 9 2 Description 2.3 The Plena Power Amplifier The Plena Power Amplifier is a high performance power amplifier for use in professional public address 2.1 The Plena product range systems. For a schematic overview of the Plena Power The Plena Easy Line Power Amplifier is part of the Amplifier, see figure 2.1 on the next page. Plena product range. Plena provides public address solutions for places |
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| tailored for virtually any application. | loudspeaker lines. This input is converted to 1 V and fed to the input. The 1 V and 100 V input is summed. The Plena product range includes: |
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| • mixers | The Plena Power Amplifier has 70 V and 100 V |
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| • preamplifiers | constant voltage output and a low impedance output for |
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| • power amplifiers | 8 Ohm loudspeakers. • a music source unit |
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| • a digital message manager | The Plena Power Amplifier has an overload and a short- |
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| • a feedback suppressor | circuit protection. A temperature controlled fan and |
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| • call stations | overheat protection ensures high reliability. |
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| • an All-in-One system | An LED meter monitors the master output. This signal |
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| • a voice alarm system | is also present on the headphone socket below the |
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| • a timer | output level meter. For total reliability and ease of use, a |
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| • a charger | limiter is integrated into the output stage to restrict |
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| • a loop amplifier | output if the user applies too much signal. The various elements are designed to complement each other thanks to matched acoustical, electrical and mechanical specifications. 2.2 Contents of box The packaging box contains the following contents: • PLE-1P120-EU, or PLE-1P240-EU • Power cord • Mounting brackets (LBC 1901/00) • XLR cable The unit has 24 VDC backup input with built in 24 VDC battery c |
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| Limiter | 0V Temperature controlled fan figure 2.1: Schematic overview of the Plena Power Amplifier 2.4 Controls, connectors and indicators 2.4.1 Front panel See figure 2.2 for an overview of the controls and indicators. 1 Power button. 2 Output level meter (-18 db, 0 db). 3 Air inlet holes. Note Do not obstruct the airflow into the unit. 4 Headphone socket. 1 2 3 4 figure 2.2: Front panel 2.4.2 Rear panel |
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| switches: | connector - 100 V, 70 V and 8 Ohm. • 24 VDC in/out: 1 Cooling fan. • Input: 24 VDC backup power. • Output: built in charger, maximum 0.5 A. regulated output current. |
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| Note | 7 Mains voltage selector, C13 - 115/230 VAC Always allow adequate space at the rear of the 50/60 Hz. |
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| unit for ventilation. | 8 Mains fuse. 9 Earth connection screw. 2 100V input, Euro style pluggable screw terminal connector. Input is wired in parallel with the line |
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| input (see number 3). | Note 3 Line input, XLR connector. Input is wired in parallel The unit must be earthed. with 100 V input (see number 2). 4 Input volume control - control range -25 dB to 0dB 10 Mains connector (3-pole). (see numbers 2 and 3). 5 Loop through output, XLR connector. 1 7 2 3 4 5 6 8 9 10 figure 2.3: Rear panel 3 Installation 3.3 Check settings/connections 1 Connect any additional equipment (see section |
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| temperature (55 °C ambient). | correctly set for the country’s main voltage • use the included Bosch mounting brackets (see figure 3.2). (LBC 1901/00). 2 Make sure the power button on the front of the unit • remove the 4 feet from the bottom of the unit. is set to Off. 3 Connect the power cord to the mains connector and plug it into the mains outlet. figure 3.1: Installing the unit in a rack figure 3.2: Power connection and vol |
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| Caution | rate it is discharging, and thus full capacity battery can The connection cable must have an in-line fuse. be assured. Use the type of fuse shown in the following |
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| figure. | This type of charging is suited for low duty-cycle applications where a relatively high current or power is infrequently required. Caution |
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| Make sure the unit is earthed. | Note If the backup power system has to comply to the The Plena Power Amplifier has a 24 VDC input EN54-4 standard or similar standards for (terminal screw). This input can be used in mobile backup power and charging speeds, Bosch applications, such as boats where 115 or 230 VAC is not recommends the PLN-24CH10. available or in applications that must continue to The PLN-24CH10 is a dedicated batter |
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| operate in case of a power failure. | charger and power supply that is fully EN54-4 compliant. When a 24 VDC battery is connected (typically consisting of two 12 VDC lead-acid batteries in series), the unit will operate on the supplied DC voltage. |
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| + | FUS 12 V + |
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| D | C 12 V |
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| figure 4.3: Connecting speakers | loudspeakers in a series/parallel-arrangement to make the combined impedance 8 Ohm or higher. Check the The power amplifier can drive 70V and 100 V constant loudspeaker polarity for in-phase connection. voltage loudspeakers. The 100 V connection in shown in figure 4.3. Connect the loudspeakers in parallel and check the loudspeaker polarity for in-phase connection. The summed loudspeaker power shou |
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