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Parasound Halo A21+ Stereo Power Amplifier - AVStore
Parasound Halo A21+ Stereo Power Amplifier - AVStore
Parasound Halo A21+ Stereo Power Amplifier - AVStore
Parasound Halo A21+ Stereo Power Amplifier - AVStore
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Parasound Halo A21+ Stereo Power Amplifier

AED 16,200.00

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 @...

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Description

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)
  • 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 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
  • 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

Interchannel Crosstalk
  • > 80 dB at 1 kHz
  • > 70 dB at 20 kHz

Input Impedance
  • Unbalanced: 33 kΩ
  • Balanced: 66 kΩ,(33 kΩ per leg)

Input Sensitivity for 28.28 V Output into 8 Ω
  • Unbalanced: 1 V
  • Balanced: 1 V per leg

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)

Dimensions
  • Width: 17-5/8" (448 mm)
  • Height without feet: 7-1/8" (181 mm)
  • Height with feet: 7-3/4" " (197 mm)
  • Depth: 20" (508 mm)
  • Depth with cables: 21-1/2" (546 mm)

Weight

39.9Kg

Power Requirement
  • Standby: 1 Watt
  • Idle (no music playing): 160 Watts
  • Typical Listening levels: 300 Watts
  • Maximum: 1400 Watts

IM Distortion

< 0.04 %

Total Gain

29 dB
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