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Block Audio Mono Block SE Class-A Monoaural Power Amplifier

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Do not get confused with its elegant-looking silhouette. This pair of amplifiers will make your loudspeaker go outrageously wild. Inside of the aluminum body, there are 90 kilos of pure sound perfection hidden delivering 500 W out of which 200 W are in pure Class-A. Add 120 dB of signal/noise ratio and 5 000 damping factor and you’ll get a truly unforgettable experience. Works great alone, but plugging it with the Block Audio preamplifier will get you to a whole new level that cannot be explained, but needs to be experienced.

FEATURES

  • 200 Watts true Class-A operation
  • A smart PCBA’s and mechanical architecture allow shortest audio signals and power supply paths without any internal wiring
  • Precision speaker control through innovative feedback concept
  • All discrete audio circuitry
  • DC signal coupling with Servo-Control
  • 2 500 VA custom made low-noise and low-radiation toroidal transformer
  • Decoupled and suspended mount transformer case
  • 500 000 µF of power supply-filter capacitance (per channel)
  • Thermally coupled rectifiers
  • Adjustable feet with integrated spikes
  • Separate power supply for control and protection circuits
  • Standby with zero power consumption
  • Reversible protection system and Distortion-rise indication
  • User-selectable Eco/Auto Eco bias mode
  • User-selectable Auto Power Off mode
  • Status/Error indications
  • The brightness controlled* front status LED
  • System remote control and temperature displaying*

*works only together with appropriate BLOCK AUDIO Preamplifier

 

SE FEATURES

  • Locking system for AC-Mains Cable
  • Improved 2 500 VA main transformer
  • Upgraded input stage transistors
  • Special paint finish
  • Inlay BLOCK on top

 

SPECIFICATIONS

Cont. RMS Output Power: 500 W into 4 Ω, 250 W into 8 Ω, up to 200 W Class-A
Distortion: THD+N <0.01 % at rated power, min. 0.002 %, IMD <0.003 %
Frequency Response: DC – 300 kHz ±3 dB, DC – 20 kHz ±0.01 dB
Signal/Noise Ratio: 120 dB A-weighted, 117 dB unweighted (related to rated power)
Damping Factor at 8 Ω: >5000, DC – 20 kHz
Voltage Gain: +26 dB or +20 dB user-selectable
Input Sensitivity: 2.25 Vrms at +26 dB gain
Input Impedance: 20 kΩ balanced, 10 kΩ unbalanced
Inputs: 1 balanced (XLR), 1 unbalanced (RCA)
Outputs: 2 pairs binding posts
System Remote Control: Yes*, Neutrik RJ45
Power Consumption: 1 200 W max., 500 W at idle, 50 W at idle ECO mode, 0 W in Standby
Mains Voltage: 230 / 115 V AC ±10 %, 50 – 60 Hz (factory pre-configured)
Operating Temperature: +15 to +35° C / +60 to +95° F
ECO mode Oper. Temp.: +15 to +40° C / +60 to +105° F
Dimensions: 500/19.7(w) × 280/11.0(h) × 535/21.0(d) mm/inch
Weight: 90 kg / 198 lbs., ~110 kg / 240 lbs. shipping
Color Silver, Red

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