B-52 300 Watt Professional Power Amplifier (US-1800)

B-52 believes in overbuilding all of our products and the US-Series is no exception. These amplifiers use the most reliable linear output devices which provide ultra low distortion and ruler flat frequency response. The US-Series is backed by our rock solid 3 year warranty and B-52’s commitment to reliability that is known the world over. Like all B-52 products the US-Series amps are built to perform in the most rigorous conditions.

• Stereo Output Power @ 8 Ohms: 300 watts
• Stereo Output Power @ 4 Ohms: 450 watts
• Stereo Output Power @ 2 Ohms: 750 watts
• Mono Output Power @ 8 Ohms: 900 watts
• Mono Output Power @ 4 Ohms: 1400 watts
• Input Sensitivity: 1.23 (+4 dBu) for full power @ 4 Ohms
• Input Impedance: 30 kohms Balanced/15 kohms Unbalanced
• Input CMRR (1 kHz): Better than 60dB
• Frequency Response: 0/-0.5dB: 20Hz - 20kHz <> 0/-3dB: 5Hz - 60kHz
• Signal to Noise Ratio (20Hz - 20kHz): Better than 100dB
• Distortion (SMPTE-IM): Less than 0.03%
• Damping Factor: More than 300 at 8 Ohms Below 1k Hz
• Output Circuitry: AB
• Cooling: Continuosly variable speed fan, Front to rear
• Protection: Short Circuit, Thermal, Current Limit, DC Offset, Current Inrush, RF Protection, Turn On/Off Muting
• Connectors for each channel: Input: Combo Female XLR & 1/4" phone 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 Mono, Bridge. Each Channel: Signal, -20dB, -10dB, Clip, Protect
• Power Requirements: 120Vac (USA) / 240Vac (Europe)
• Dimensions (W x H x D): 19" (482mm) x 3.5" (88mm) x 17.2" (438mm)
• Net Weight: 35.6lb (16kg)