1000 Watt Power Amplifier Bosch View larger

1000 Watt Power Amplifier Bosch

PLN-1P1000

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Bosch 1000W Power Amplifier for large PA systems, in a 3U high 19" case for rack mounting or desktop use.  LEDs on the front panel show the status of the amplifier: power, audio output level, and supervised functions. Supported by Bosch's 3 year factory warranty, this high-performance unit fulfils a wide range of public address requirements at a surprisingly low cost.

Bosch Amplfiers

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  • 1000 W power amplifier in a 3U high housing
  • 70 V / 100 V 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
  • Mains, battery back-up and pilot tone supervision


Dependability

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 back up, with automatic switchover.

For emergency and evacuation use, the following functions are monitored: mains presence, battery present, pilot tone presence, amplifier operation. Front panel LEDs indicate the status of supervised functions. The of pilot tone supervision and battery status LEDs can be switched off for general public address use. Failsafe (normally energized) relays are provided for each supervised function. These relays are always active regardless of the switches on the rear panel.

Input

The system has two balanced inputs with priority control, each with a loop-through facility. This makes it easy to connect remote systems that require priority control. An additional 100 V line input can connect the amplifier to a 100 V loudspeaker line, to provide more power to remote locations.

Output

The amplifier has 70 V and 100 V outputs for constant voltage loudspeaker systems, and a low impedance output for 8 ohm loudspeaker loads. A meter with LED-bar shows the output level.

The PLN-1P1000 has two separate priority controlled 100 V outputs for zones that only need announcements made via the priority input, and for zones that will not get any announcements made via the priority input.

Operating temperature-10°C to +55°C
Weight32Kg
MountingStand-alone, 19
Dimensions145x430x430mm
Max Power2200 W
Loudspeaker outputs3
Line loop-through output2
Input100 V
Line Inputs2
Frequency Response50 Hz to 20 kHz (+1/-3 dB @ -10 dB ref. rated output)
Output Power (rms/maximum)1000 W / 1500 W
Power Consumption2200 VA
Inrush Current16 A
Voltage230 VAC ±10%, 50/60 Hz

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1000 Watt Power Amplifier Bosch

1000 Watt Power Amplifier Bosch

Bosch 1000W Power Amplifier for large PA systems, in a 3U high 19" case for rack mounting or desktop use.  LEDs on the front panel show the status of the amplifier: power, audio output level, and supervised functions. Supported by Bosch's 3 year factory warranty, this high-performance unit fulfils a wide range of public address requirements at a surprisingly low cost.

Bosch Amplfiers

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