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User Manual for Bosch PLE-1P120-US Plena Amplifier Click to enlarge the picture
Contents of the user manual for the Bosch PLE-1P120-US Plena Amplifier
- Product category: 70-Volt Amplifiers Bosch
- Brand: Bosch
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Bosch 70-Volt Amplifiers
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User manual for the Bosch PLE-1P120-US Plena Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Bosch product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Bosch user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Bosch product will considerably shorten its lifespan!
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Product description The charcoal finish PLE-1P120-US Plena Amplifier from Bosch is a high-power plug-and-play power amplifier that delivers 120W to constant voltage or 4 Ω loads. It is built with premium quality and protections and offers basic functionality. The amplifier offers straight 1 V and 70 V line inputs, and 25 and 70 V and 4 Ω outputs. It can extend the power of the PLE- series mixer-amplifier or be combined with the PLE-10M2-US mixer, or work anywhere where more power on an existing 70 V line is needed, or when a line level signal is provided. - Protection
- The amplifier is protected against overload and short circuits. A limiter protects the amplifier and loudspeaker against accidental overdriving. A temperature-controlled fan ensures proper cooling without producing acoustic noise at lower output levels.
- Power Input and Output
- The unit operates both on mains power and on a 24 V battery power supply for emergency backup, with automatic switchover. The amplifier also has a built-in charger to charge the connected battery. The system has 2 balanced inputs that are summed together and a loop-through facility.
This makes it easy to connect multiple amplifiers. The secondary input is a 70 V line input to connect the amplifier to a 25 and 70 V loudspeaker line to provide more power in remote locations. Gain or level control is located on the rear of the unit to avoid accidental setting change. An LED VU meter shows the output level. The amplifier has 25 and 70 V outputs for constant voltage loudspeaker systems, and a low impedance output for 4 Ω loudspeaker loads. - Controls and Indicators
- Front
- Power on LED
- LED VU meter for master output (LEDs for -18, -12 -6, -3, 0 dB)
- On/off button
Back - General
- 120 power amplifier in a compact housing
1 V line level balanced input
70 V, 25 V, and 4 Ω outputs
70 V input for slave operation on 70 V speaker line
Temperature-controlled forced front to back ventilation (directly stackable)
24 VDC backup power with built-in charger UPC: 800549150446 In the Box Bosch PLE-1P120-US Plena Amplifier (120W, Charcoal) Power Cord 19" Mounting Bracket (a Set) Limited 3-Year Warranty Table of Contents
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Technical parametersBosch PLE-1P120 Specs | | | Voltage | 115 to 230 VAC ±10%, 50/60 Hz | | Inrush Current | 4.5/9 A (230/115 VAC) | | Power Consumption | 380 VA | | | | Power Supply | Voltage: 24 VDC ±15% | | Current | 5.5 A | | Charge Current | 0.5 ADC | | Voltage | Charge Float: 27.3 VDC | | | | Max Power Consumption | 227 W
-6dB (Mains): 130 W | | Idle | Mains: 12 W | | Maximum Power | 24 V: 7 A (150 W)
-6 dB (24 V): 4.4 A (194 W) | | Idle | 24 V: 0.3 A (7 W) | | | | Rated Power | 180 W / 120 W | | Power | Reduction on Backup Power: -1 dB | | Frequency Response | 50 Hz to 20 kHz (+1/-3 dB @ -10 dB ref. rated output) | | Distortion | <1% @ rated output power, 1 kHz | | | | Connector 1 | 3-pin Euro style, balanced | | Sensitivity | 1 V | | Impedance | 20 kΩ | | Connector 2 | 3-pin Euro style, balanced | | Sensitivity | 70 V | | Impedance | 300 kΩ | | Dynamic Range | 100 dB | | CMRR | Mic: >40 dB (50 Hz to 20 kHz) | | Loudspeaker Power | Outputs 25 V and 70 V:
Connector: Euro style pluggable screw terminals
Loudspeaker output 4 Ω
Connector: Euro style pluggable screw terminals, 31 V (120 W) | | | | Operating Temperature | 14 to 131°F (-10 to 55°C) | | Storage Temperature | -40 to 158°F (-40 to 70°C) | | Relative Humidity | <95% | | Acoustic Noise Levels | Fan: <40 dB SPL @ 1 m temperature controlled | | | | EMC Certification | Emission: According to EN 55103-1
Immunity: According to EN 55103-2 | | | | Mounting | Stand-alone, 19.0" (482.6 mm) rack | | Dimensions (H x W x D) | 3.93 x 16.92 x 10.62" (100.00 x 430.00 x 270.00 mm)
Width: 19.0" (482.6 mm)
Height: 2U | | Weight | Approximately: 23.2 lb (10.5 kg) |
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