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Description
Designed for professional audio environments requiring versatile source connectivity, the ARM-1000UBT preamplifier combines multiple playback options with precise signal control in a compact 1U rack unit. The aircraft-grade aluminium front panel houses an intuitive LCD interface for monitoring inputs and adjustments, while comprehensive connectivity options including XLR, 1/4" jacks, and wireless streaming accommodate diverse audio sources. FM radio functionality with included antenna, coupled with USB/SD card playback and Bluetooth streaming capabilities, provides complete media flexibility for installations ranging from commercial venues to broadcast studios.
Technical Specifications
Audio Inputs:
Balanced XLR microphone input
1/4" TRS microphone/instrument input
Stereo RCA line input
Digital Playback:
USB 2.0 host port (supports MP3/WMA playback)
SD card slot (supports up to 32GB capacity)
Bluetooth 5.0 wireless streaming (A2DP profile)
Radio Functionality:
FM tuner (87.5-108MHz)
Telescopic antenna included
Monitoring Output:
1/4" stereo headphone output
Display & Controls:
Backlit LCD display
Rotary encoder for parameter adjustment
Transport controls for digital playback
Power Requirements:
Voltage: 115V AC (60Hz)
Consumption: 15W typical
Physical Dimensions:
Rack space: 1U (44mm/1.73")
Width: 483mm (19")
Depth: 152mm (6")
Weight: 2.1kg
Signal Performance:
Frequency response: 20Hz-20kHz (±0.5dB)
Signal-to-noise ratio: >95dB
THD: <0.01%
Key Features
Multi-Format Playback Simultaneous support for analogue and digital sources enables seamless transitions between live microphones, stored media, and wireless streaming content.
Professional Connectivity The combination of balanced XLR and quarter-inch inputs accommodates professional microphones and instruments, while RCA line inputs integrate with existing playback equipment.
Intelligent Display System The high-contrast LCD provides real-time monitoring of input levels, playback information, and radio station data with adjustable brightness settings.
Rack-Optimised Design Standard 19" rack width with shallow depth facilitates installation in space-constrained environments without compromising accessibility to rear panel connections.
Expanded Memory Support Direct playback from USB drives and SD cards supports common audio formats, with folder navigation for organised media libraries.
Typical Applications
Commercial background music systems
House of worship audio installations
Public address and announcement systems
Broadcast studio monitor control
Mobile DJ equipment racks
Engineered for reliability in professional environments, this preamplifier delivers exceptional signal integrity across all input sources. The robust construction ensures longevity in demanding applications, while the intuitive interface allows for quick adjustments during live operation. With comprehensive connectivity and flexible playback options, the unit serves as an ideal control centre for mixed-media audio systems requiring both analogue and digital source management.
