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IN THE BOX | |
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Sales Package | Parasound Halo A21+ Stereo Power Amplifier and User documentation |
General | |
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Brand | Parasound |
Model | Halo a21+ |
Year | |
Color | black |
Dimension | |
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Height | 181 mm |
Width | 448 mm |
Depth | 508 mm |
Weight | 71 lb. (32.2 kg) |
Specifications | |
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Power Output– Stereo Mode (0.1% THD) | 300 watts x 2, 8 Ω both channels driven 500 watts x 2, 4 Ω both channels driven |
Power Output – Bridged Mode (0.1% THD) | 1000 watts x 1, 8 Ω Bridged 4 Ω operation is not recommended |
Power measurement are at 120 VAC: | 0.1% THD, RMS continuous power, full audio band (20 Hz - 20 kHz) |
Current Capacity | 60 amps peak, per channel |
Slew Rate | > 130 volts per microsecond |
Frequency Response | 5 Hz - 100 kHz, +0/-3 dB 20 Hz - 20 kHz, +0/-0.25 dB |
Total Harmonic Distortion (THD) | < 0.1 % at full power < 0.03 % at typical listening levels |
IM Distortion | < 0.04 % |
TIM | Unmeasurable |
Inter-channel Crosstalk | > 80 dB at 1 kHz > 70 dB at 20 kHz |
Input Impedance | Unbalanced: 33 kΩ Balanced: 66 kΩ,(33 kΩ per leg) |
Total Gain | 29 dB |
Input Sensitivity for 28.28 V Output into 8 Ω | Unbalanced: 1 V Balanced: 1 V per leg |
Audio Trigger Requirements | 2 mV - 10 mV |
S/N Ratio | > 115 dB, input shorted, IHF A-weighted > 110 dB, input shorted, unweighted |
Damping Factor | > 1100 at 20 Hz |
DC Trigger Requirements | +9 Vdc to +12 Vdc, 5 mA |
Audio Trigger Requirements | 2 mV - 10 mV |
XLR Pin Identification | 1 = Ground (Shield) 2 = Positive 3 = Negative (Return) |
Power Requirement | Standby: 1 Watt Idle (no music playing): 160 Watts Typical Listening levels: 300 Watts Maximum: 1400 Watts |
Warranty | |
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Warranty Type | Official Manufacturer warranty |
Warranty Period | 1 Year |