B-52 Pro

B-52 US-5000 Professional Power Amplifier

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  • Regular price $1,099.99
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Rugged, reliable, affordable power.
The US-5000 Two-Channel Power Amp from B-52 Pro Audio is a higher power addition to the popular US series power amps. The basic design has had some years to be tested in the marketplace and the general reviews are stellar. Efficient, great-sounding and above all, reliable, the US series amplifiers are an excellent solution for anyone who needs clean, reliable power in sound reinforcement environment, be it a travelling band, a DJ, a presenter, or a venue with an installed system.
The US-5000 is built on a rugged, heavy gauge 3U steel chassis with a sturdy aluminum front panel. The amplifiers use advanced circuitry and a well-designed PCB layout to ensure quality sound and enhanced reliability. Large dual aluminum heatsinks and an oversized toroidal transformer, combined with comprehensive protection circuitry and dual large variable speed fans provide worry-free and reliable operation in the most demanding environments.
  • Up to 5500 watts in densely packed 3U enclosure
  • Rugged heavy gauge steel enclosure with sturdy aluminum front panel for stability and
  • increased longevity
  • High-current toroidal transformers for increased 2-ohm power output
  • 21-position gain control knobs for consistent settings
  • Selectable STEREO, PARALLEL MONO and BRIDGED MONO modes for flexibility
  • Front panel LED display: POWER, BRIDGE and PARALLEL LEDs and SIGNAL, -20dB,
  • -10dB, 0dB, CLIP and PROTECT LEDs for each channel
  • Protection: Short circuit, output current limiting, thermal, DC offset, turn on/off muting,
  • RF protection and circuit breaker
  • Defeatable clip limiters to reduce distortion without sacrificing peak performance
  • Defeatable 30/50Hz sub-sonic filters to protect speakers and increase headroom
  • Balanced combo XLR and 1/4" TRS input connectors and link XLR output connectors
  • Both binding posts and SpeakonTM output connectors
  • Low-noise cooling fans with continuous variable speed and highly efficient front-to-rear forced air cooling design
  • Replaceable open cell foam air filters with easy access through front panel
  • Dimmable blue LED strips on front panel
Order today and be free from power concerns tomorrow.
Amplifier Specifications
Stereo Both Channel Driven @ 1kHz, 1%THD
  • 8 Ohms - 900 watts
  • 4 Ohms - 1500 watts
  • 2 Ohms - 2150 watts
Bridged Mono @ 1kHz, 1%THD
  • 8 Ohms - 3000 watts
  • 4 Ohms - 4300 watts
Input Sensitivity
  • 1.23 Vrms (+4 dBu) for full power @ 4 Ohms
Input Impedance
  • 30K ohms Balanced/15K ohms Unbalanced
Frequency Response
  • 0/-0.5dB: 20Hz - 20kHz; 0/-3dB: 5Hz - 60kHz
Signal to Noise Ratio
  • Better than 100dB (20Hz - 20kHz)
Distortion (SMPTE-IM)
  • Less than 0.03%
Output Circuitry
  • 3-tier class H
  • Dual continuously variable speed fans, front to rear
  • Short circuit, thermal, current limit, DC offset, RF protection, AC soft start with inrush current limit, turn on/off muting
  • Input: Combo female XLR & 1/4” TRS jack. Link: Male XLR
  • Output: Both 5-way biding post and Speakon™
  • Front: Power on/off switch, volume controls for each channel
  • Rear: Mode switch (stereo / parallel / bridge), HPF 30Hz/50Hz/Off,
  • Limiter on/off, LED STRIPS on/dim/off
  • Power, parallel, bridge. Each channel: Signal, -20dB, -10dB, clip, protect
Power Requirements
  • 120/230V 60/50Hz factory configured
AC consumption
  • Both channels driven at 4 Ohm load, at 120Vac (for 230V divide by 2)
AC connect
  • 120V: fixed cord - NEMA 5-15 plug
Typical level, 1/8 power pink noise
  • 10.2A
Severe level, 1/3 power pink noise
  • 20.4A
  • 19" (482mm) x 5.25" (132mm) x 19.3" (492mm)
Net weight
  • 76.2lb (34.6kg)