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PARASOUND HALO A 52+ 900-watt 5-channel balanced Power Amplifier (Black)

PRE-OWNED

Original price was: $4,200.00.Current price is: $1,799.99.

1799.99

1 in stock

SKU: A 52+ Black Used
Brand: PARASOUND

Description

PREOWNED (Purchased by original customer as “PARASOUND B-STOCK”) – FULLY TESTED – INCLUDES ORIGINAL BOX/PACKING, POWER CORD

  • 180
    watts RMS x 5 @ 8 Ω
  • 255
    watts RMS x 5 @ 4 Ω
  • 225
    watts RMS x 2 @ 8 Ω
  • 350
    watts RMS x 2 @ 4 Ω
  • Class
    A/AB circuitry designed by legendary John Curl
  • Direct
    coupled – no capacitors or inductors in audio path ensures the cleanest
    signal
  • Balanced
    XLR inputs with discrete circuits
  • Full
    power is rated all the way down to 5Hz for unrestricted low-end bass
  • Custom
    1.5 kVA encapsulated toroid power transformer with independent secondary
    windings for each channel
  • Hand-matched
    JFETs for input stage
  • Hand-matched
    MOSFETs for driver stage
  • Beta-matched
    15 amp, 60 MHz bipolar output transistors (3 pairs per channel)
  • 100,000
    µF power supply filter capacitance
  • DC
    Servo and relay protection circuits
  • Heavy-duty
    24k gold-plated, 5-way speaker terminals

Power Output – All 5 Channels Driven 
180 watts x 5, 8 Ω 
255 watts x 5, 4 Ω
Power Output – 2 Channels Driven 
225 watts x 2, 8 Ω 
350 watts x 2, 4 Ω
Power measurements parameters with 120VAC 
0.05% THD, RMS continuous power, 
full audio band (20 Hz – 20 kHz)
Current Capacity: 
45 amperes peak, per channel
Dynamic Headroom: 
>1.5dB
Slew Rate 
> 130 volts per microsecond
Frequency Response 
5 Hz – 100 kHz, +0/-3 dB 
20 Hz – 20 kHz, +0/-0.3 dB
Total Harmonic Distortion (THD) 
< 0.05 % at full power 
< 0.03 % at typical listening levels
IM Distortion 
< 0.04 %
TIM 
Unmeasurable
Interchannel Crosstalk 
> 78 dB at 1 kHz 
> 63 dB at 20 kHz
Input Impedance 
Unbalanced: 47 kΩ 
Balanced: 94 kΩ, 47 kΩ per leg
Input Sensitivity for 28.28 V Output into 8 Ω 
Unbalanced: 1 V 
Balanced: 1 V per leg 
Total Gain: 29 dB
S/N Ratio 
> 112 dB, input shorted, IHF A-weighted 
> 102 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: 17-1/4″ (437 mm) 
Height without feet: 5-1/4″ (133 mm) 
Height with feet: 5-7/8″ (149 mm) 
Depth: 20″ (508 mm) 
Depth with cables: 21-1/4″ (540 mm)
Net Weight 
55 lb. (25 kg)
Shipping Weight 
69 lb. (31.3 kg)
Power Requirement 
Standby: 1 Watt 
Idle: 125 Watts 
Maximum: 1500 Watts

Additional information

Weight 0.00000000 lbs

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