Parasound A-21

2x250W Endstufe
2 Kanal Endverstärker, 2x 250W/400W RMS 8Ω/4Ω, mono 750W, RMS, vollsymmetrisch; -
Versand: lagernd
Geschäft: 1-2 Tage
-10% statt 3.899,00 € ab 3.490,00 € / Stk.
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  • Circuitry designed by legendary John Curl
  • THX Ultra2 certified
  • High bias Class A/AB operation
  • Balanced inputs with discrete circuits and XLR connectors
  • Direct Coupled - no capacitors or inductors in signal path
  • Complementary MOSFET driver stage and JFET input stage
  • 16 beta-matched 15 amp, 60 MHz bipolar output transistors
  • 1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel
  • 100,000 µF power supply filter capacitance
  • DC Servo and relay protection circuits
  • AC present, channel status, high temperature indicators
  • Heavy-duty 24k gold-plated 5-way speaker terminals
  • Gold-plated RCA input jacks; ground lift switch
  • Auto turn-on by 12v trigger or audio signal, 12v trigger out
  • 4u Chassis, carry handles, rack mounting adapter included
  • Parasound 5 year parts, 5 years labor warranty (For USA and Canada purchases only)
Continuous power output: 250 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, all channels driven
Continuous power output: 400 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, all channels driven
Continuous power output: 750 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω
Current capacity: 60 amperes peak per channel
Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt
Total harmonic distortion: < 0.2 % at full power
IM distortion: balanced 16 V rms
IM distortion: < 0.04 %
Slew rate: > 130 V/µsecond
Dynamic headroom: > 1.5 dB 
Interchannel crosstalk: > 80 dB at 1 kHz;
Interchannel crosstalk: > 63 dB at 20 kHz
Input sensitivity: 1 V for 28.28 V, THX Reference Level
Input impedance: 33 k Ω unbalanced; 66 k Ω balanced
S/N ratio: 112 dB, input shorted, IHF A-weighted
Damping factor: > 1100 at 20 Hz
Voltage: 110V - 120V
Dimensions: 17-1/4" w x 7-5/8" h x 19-1/8" d, 7 " h without feet
Net weight: 60 lb. / 27,5 kg