Crown - 280A Audio versterker





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De Crown 280A is een tweekanaals versterker van 2 × 80 W uit 2007, in nieuwstaat en getest en werkend.
Beschrijving van de verkoper
Crown 280A – Professionele 2 kanaals Pre AMP
Dual 80W versterker voor 2 zone systemen
4-ohm, 70V en 100V outputs
Built-in protection circuitry
Ideaal for commerciele audio, PA,
workshops, venues, etc
Frequency Response (at 1 watt from 4-ohm tap):
70 Hz to 19 kHz +/-1 dB, (at line out): 20 Hz to 20 kHz +/- 1 dB
Power Bandwidth (at 4-ohm tap, 2 dB below maximum 1 kHz power):
50 Hz to 20 kHz with < 0.5% THD
Signal-to-Noise Ratio (ref. to rated power, master volume at minimum): 85 dB
DC Output Offset < +/-5 mV
THD Less than 0.5% at rated power at 1 kHz
Input Sensitivity (for full output at miximum gain): 800 mV
Input Impedance (nominal) 100 kilohms
Minimum Load Impedance 100V ouput: 160 ohms, 70V output: 80 ohms, 4-ohm output: 4/8 ohms
Crosstalk (all controls at "10") -70 dB at 1 kHz
Line Output Level (nominal) 1V into 10 kilohms
Crown 280A – Professionele 2 kanaals Pre AMP
Dual 80W versterker voor 2 zone systemen
4-ohm, 70V en 100V outputs
Built-in protection circuitry
Ideaal for commerciele audio, PA,
workshops, venues, etc
Frequency Response (at 1 watt from 4-ohm tap):
70 Hz to 19 kHz +/-1 dB, (at line out): 20 Hz to 20 kHz +/- 1 dB
Power Bandwidth (at 4-ohm tap, 2 dB below maximum 1 kHz power):
50 Hz to 20 kHz with < 0.5% THD
Signal-to-Noise Ratio (ref. to rated power, master volume at minimum): 85 dB
DC Output Offset < +/-5 mV
THD Less than 0.5% at rated power at 1 kHz
Input Sensitivity (for full output at miximum gain): 800 mV
Input Impedance (nominal) 100 kilohms
Minimum Load Impedance 100V ouput: 160 ohms, 70V output: 80 ohms, 4-ohm output: 4/8 ohms
Crosstalk (all controls at "10") -70 dB at 1 kHz
Line Output Level (nominal) 1V into 10 kilohms

