Bosch LBB1935/20 Power Amplifier
The Bosch LBB1935/20 Power Amplifier is a high-performance, professional-grade audio solution engineered to deliver powerful, consistent, and crystal-clear sound across a wide range of commercial and industrial environments. With an impressive 240 watts of output power, this amplifier is designed to meet the demanding requirements of public address systems, background music installations, and large-scale audio distribution setups.
Renowned for its exceptional build quality and reliable engineering, Bosch once again delivers a product that combines durability, performance, and flexibility. The Bosch LBB1935/20 Power Amplifier is the ideal choice for system integrators, installers, and businesses seeking a dependable solution for high-quality sound reinforcement.
At the core of the Bosch LBB1935/20 Power Amplifier is its powerful 240W output, which ensures strong and consistent audio coverage across large spaces such as shopping malls, airports, schools, office buildings, warehouses, and hospitality venues. Whether used for announcements, paging, or background music, this amplifier guarantees that sound is delivered clearly and effectively to every corner of the environment.
One of the most valuable features of the Bosch LBB1935/20 Power Amplifier is its versatility. It supports both low-impedance (4Ω/8Ω) and high-impedance (70V/100V) speaker systems, making it suitable for a wide variety of installations. This flexibility allows users to design scalable audio systems that can easily adapt to changing requirements.
The Bosch LBB1935/20 Power Amplifier is equipped with multiple input options, enabling seamless integration with microphones, music sources, and audio processors. This makes it an excellent choice for creating comprehensive PA systems that can handle both live announcements and continuous music playback with ease.
In terms of sound quality, the Bosch LBB1935/20 Power Amplifier excels with low distortion and high signal clarity. It ensures that speech remains intelligible and music sounds rich and balanced, even at higher volume levels. This is particularly important in professional settings where clear communication is essential.
Safety and reliability are key priorities in the design of this amplifier. The Bosch LBB1935/20 Power Amplifier includes advanced protection features such as overload protection, short-circuit protection, and thermal protection. These safeguards help prevent damage to the amplifier and connected components, ensuring long-term reliability and peace of mind.
The Bosch LBB1935/20 Power Amplifier rack-mountable design allows for easy installation into standard equipment racks, making it ideal for organized and space-efficient system setups. Its compact yet robust construction ensures that it can be seamlessly integrated into both new and existing audio systems.
Ease of use is another advantage of the Bosch LBB1935/20 Power Amplifier. The intuitive front panel controls and clear indicators allow users to monitor system performance and make adjustments quickly and efficiently. This user-friendly design reduces operational complexity and enhances overall system usability.
Energy efficiency is also an important feature of Bosch LBB1935/20 Power Amplifier. Despite its high power output, it is designed to operate efficiently, helping to reduce energy consumption and operational costs. This makes it a practical choice for installations that require continuous operation.
Built to withstand demanding environments, the Bosch LBB1935/20 Power Amplifier features a durable chassis and high-quality components that ensure long-lasting performance. Its rugged construction makes it suitable for use in a variety of professional settings where reliability is critical.
Whether you are upgrading an existing PA system or designing a new audio installation, the Bosch LBB1935/20 Power Amplifier provides the perfect combination of power, flexibility, and reliability. Its superior performance and trusted Bosch quality make it a valuable investment for any professional audio application.
Choose the Bosch LBB1935/20 Power Amplifier to experience powerful, dependable, and high-quality audio performance that enhances communication and creates an engaging sound environment.
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Features
- Powerful 240W output for large-scale audio applications
- Supports 70V/100V and 4Ω/8Ω speaker systems
- Crystal-clear sound with low distortion
- Multiple input options for flexible system integration
- Built-in protection: overload, short circuit, thermal
- Reliable Bosch engineering for long-term use
- Rack-mountable design for easy installation
- User-friendly controls and status indicators
- Ideal for PA systems, paging, and background music
- Energy-efficient and durable construction
Specifications
| Specification | Details |
|---|---|
| Product Name | Bosch LBB1935/20 Power Amplifier |
Electrical
| Parameter | Specification |
|---|---|
| Mains Power Supply Voltage | 230 VAC ±10%, 50/60 Hz |
| Inrush Current | 9 A |
| Max Power Consumption | 760 VA |
Battery Power Supply
| Parameter | Specification |
|---|---|
| Voltage | 24 VDC +15% / -15% |
| Max Current | 11 A |
Performance
| Parameter | Specification |
|---|---|
| Output Power (RMS / Max) | 240 W / 360 W |
| Power Reduction on Backup | -1 dB |
| Frequency Response | 50 Hz – 20 kHz (+1 / -3 dB @ -10 dB ref. rated output) |
| Distortion | <1% at rated output (1 kHz) |
| Signal-to-Noise Ratio | >90 dB (flat at max volume) |
Line Inputs
| Parameter | Specification |
|---|---|
| Number of Inputs | 2 x |
| Connector | 3-pin XLR, balanced |
| Sensitivity | 1 V |
| Impedance | 20 kΩ |
| CMRR | >25 dB (50 Hz – 20 kHz) |
| Gain | 40 dB |
100V Input
| Parameter | Specification |
|---|---|
| Connector | Screw, unbalanced |
| Sensitivity | 100 V |
| Impedance | 330 kΩ |
Line Loop-Through Output
| Parameter | Specification |
|---|---|
| Number of Outputs | 2 x |
| Connector | 3-pin XLR |
| Nominal Level | 1 V |
| Impedance | Direct connection to line input |
Loudspeaker Outputs
| Parameter | Specification |
|---|---|
| Number of Outputs | 3 x |
| Connector | Screw, floating |
| Direct Output | 100 V, 70 V, 8 Ohm |
| Priority Output | 100 V or 70 V (input 1, internally selectable) |
| Music Output | 100 V or 70 V (internally selectable) |
Power Consumption
Mains Operation
| Mode | Consumption |
|---|---|
| Max Power | 451 W (-3 dB), 340 W (-6 dB), 244 W |
| Pilot Tone* | 55 W |
| Idle | 16 W |
24 VDC Operation
| Mode | Consumption |
|---|---|
| Max Power | 12.1 A (290 W) -3 dB |
| 11.4 A (274 W) -6 dB | |
| 8.1 A (194 W) | |
| Pilot Tone* | 1.7 A (41 W) |
| Idle | 0.3 A (7 W) |
*Pilot tone: 20 kHz at -20 dB with maximum loudspeaker load
Mechanical
| Parameter | Specification |
|---|---|
| Dimensions (H x W x D) | 100 x 430 x 270 mm |
| Form Factor | 19″ rack, 2U height (with feet) |
| Weight | Approx. 12.5 kg |
| Mounting | Standalone or rack-mounted |
| Color | Charcoal |
Environmental
| Parameter | Specification |
|---|---|
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | <95% |
| Acoustic Noise Level | <48 dB SPL at 1 m (max output) |
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