PARASOUND HALO A21+
Features
- 300 watts x 2 @ 8 Ω RMS, both channels driven
- 500 watts x 2 @ 4 Ω RMS, both channels driven
- 1000 watts x 1 @ 8 Ω, in bridged mode
- Circuitry designed by legendary John Curl
- High bias Class A/AB operation
- 60 amperes peak current per channel
- Stable with speaker impedance dips to 1.5 Ω
- Balanced inputs with discrete circuits
- CHK Infinium, custom 5-way speaker binding posts
- Gold-plated RCA input & loop output jacks
- Direct-coupled signal path, no capacitors or inductors
- DC Servo and relay protection circuits
- AC turn-on inrush surge protection with relay bypass
- JFET input stage, MOSFET driver stage
- 16 beta-matched 15 ampere, 60 MHz bipolar output transistors
- 3 kVA shielded toroid transformer w/ independent windings for each channel
- Independent power supplies for input stage, driver stage and output stage
- 108,000 µF filter capacitors for output stages
- Full power is rated all the way down to 5Hz for unrestricted low-end bass
- Harris hyper-fast soft-recovery bridge diode rectifiers
- Automatic turn-on by 12 V trigger or audio sensing
- 4 rack space chassis with rear carry handles
- Rack mount hardware is included
SPECIFICATIONS
Power Output - Stereo Mode (0.1% THD) |
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Power Output - Bridged Mode (0.1% THD) |
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Power measurements parameters with 120VAC |
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 |
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Total Harmonic Distortion (THD) |
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Interchannel Crosstalk |
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Input Impedance |
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Input Sensitivity for 28.28 V Output into 8 Ω |
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S/N Ratio |
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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 |
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Dimensions |
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Weight |
39.9Kg |
Power Requirement |
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IM Distortion |
< 0.04 % |
Total Gain |
29 dB |