B-52 US-3000 Power Amplifier

Designed to provide outstanding performance.

The B-52 US-3000 Power Amplifier features low-noise, low-distortion circuitry and high-current output stages, toroidal transformers, and large filter capacitors to deliver super-clean, fist-pumping output even when driving 2-ohm speaker loads. Its highly reliable linear output devices provide ultra-low distortion and ruler flat frequency response. Backed by a 3-year warranty.


Features

Compact 2-rack size
High-current toroidal transformers for greater 2-ohm power
21-position detent gain control knobs for consistent settings
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
Clip limiters reduce distortion without sacrificing peak performance (defeatable on US-3000/US-4000)
Sub-sonic filters protect speakers and increase headroom (defeatable)
Balanced combo XLR and ¼" TRS input connectors and link XLR output connectors
5-Way binding post and Speakon™ outputs
Low-noise cooling fans with continuously variable speed and highly efficient front-to-rear forced air keeps the amplifiers cool


Get the super-clean power you need for any gig.



Power:
Stereo Both Channel Driven @ 1kHz, 1%THD
8 Ohms: 500 watts
4 Ohms: 800 watts
2 Ohms: 1200 watts
Bridged Mono @ 1kHz, 1%THD
8 Ohms: 1600 watts
4 Ohms: 2400 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: H
Cooling: Continuously variable speed fan, front to rear
Protection: Short circuit, thermal, current limit, dc offset, AC current inrush, RF protection, subsonic, turn on/off muting
Connectors:
Input: Combo female XLR & 1/4" TRS jack. Link: Male XLR
Output: Both 5-way biding post and Speakon™
Controls:
Front: Power on/off switch, volume controls for each channel
Rear: Mode switch (stereo / parallel / bridge), HPF on/off, Limiter on/off (US3000/4000)
Indicator: Power, parallel, bridge. Each channel: Signal, -20dB, -10dB, clip, protect
Power Requirements: 115/230V 60/50Hz factory configured
AC consumption: Both channels driven at 4 Ohm load, at 115Vac (for 230V divide by 2)
Controls: Front: Power on/off switch, volume controls for each channel
Typical level, 1/8 power pink noise: 7A
Severe level, 1/3 power pink noise: 14.8A
Dimensions: 19" (482mm) x 3.5" (88mm) x 17.2" (438mm)
Net weight: 43lb (19kg)




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