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User Manual for Bose Professional Freespace ZA 250-LZ Zone Amplifier Click to enlarge the picture
Contents of the user manual for the Bose Professional Freespace ZA 250-LZ Zone
- Product category: Power Amplifiers Bose Professional
- Brand: Bose Professional
- 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 Bose Professional Power Amplifiers
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User manual for the Bose Professional Freespace ZA 250-LZ Zone 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 Bose Professional 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 Bose Professional 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 Bose Professional product will considerably shorten its lifespan!
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Product description Provided by third party: The Bose PowerMatch PM8500 configurable professional power amplifier provides concert-quality sound with a high level of scalability and configurability for fixed installation sound reinforcement systems. PowerMatch amplifiers utilize numerous Bose technologies to deliver an unprecedented combination of performance, efficiency and ease of installation - all in a reliable, proprietary design.
- Key Features
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- QuadBridge technology
- Auto-Standby/Auto-Wake function
- Dual voltage and current feedback loop
- PeakBank power supply
- Fast-tracking power factor correction
- QuadBridge technology
- Allows each 4-channel loudspeaker block to be configured in Mono, V-Bridge, I-Share or Quad modes, allowing the total available power of the amplifier block to be allocated to one or more output channels. The amplifier is capable of driving both low impedance and 70/100V loudspeaker loads directly.
- Auto-Standby/Auto-Wake function
- When enabled, this function automatically enters/exits Standby mode, allowing the system to consume less power.
- Dual voltage and current feedback loop
- Proprietary design combines Class-D efficiency with a unique current and voltage feedback loop circuit that continuously monitors and controls both the current and voltage delivered to the loudspeaker load. Independent of power level and load impedance, the amplifier consistently delivers the widest possible dynamic range, frequency response and lowest possible distortion.
- PeakBank power supply
- Regenerative 4-quadrant power supply enables higher power density while allowing the reuse of energy from reactive loads that is normally wasted in conventional Class-D designs. This highly efficient amplifier design delivers sustainable and repeatable low frequency response.
- Fast-tracking power factor correction
- Efficiently manages the current drawn from the AC mains, allowing the amplifier to drive loudspeakers to maximum output longer without power fluctuation. PFC provides superior transient response and functions at peak burst power much longer to satisfy the requirements of demanding program material.
UPC: 017817564021 Table of Contents
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Technical parametersBose Professional 344872-1420 Specs | | | Audio Channels | Stereo | | Functions | Amplifier | | Audio Specifications | Amplifier - Response Bandwidth - 20 - 20000 Hz Dynamic Range - 88 dB - THD - 0.3% | | Amplifier Output Details | 50 Watt - 4 Ohm - 2 channels
25 Watt - 8 Ohm - 2 channels | | Features | Thermal protection, mono/stereo switch, short circuit protection | | | | Connectors | Audio line-in (RCA x 2) - rear
2 x speakers output (screw-type) - rear | | | | Voltage Required | AC 120/230 V (50/60 Hz) | | Power Consumption Operational | 200 Watt | | Power Consumption Stand by | 15 Watt | | | | Width | 8.4 in | | Depth | 11.9 in | | Height | 1.8 in | | Weight | 4.41 lbs | | | | Weight (Shipping) | 6.4 lbs |
Rating60% users recommend this product to others. And what about you?
This product has already been rated by 89 owners. Add your rating and experience with the product.
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