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Parasound Halo A52+ 5 Channel Amplifier
$4,900.00
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Categories: Audio, Power Amplifiers, Receivers & Amplifiers
SKU: A 52+
Award-winning Halo A 52 performance is back. Now with 44% more power! The new Parasound Halo A 52+ five-channel amplifier uses John Curl-designed circuitry for better performance than ever. And the original Halo A 52 is a tough act to follow.
Features & Specifications
- 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
- Auto turn on by audio signal or 12V trigger
- 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
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