Parasound Halo A52+ -5 Channel Power Amplifier (Black)

High-current 5-channel Class AB power amplifier designed for premium home theatre systems
Delivers powerful, clean, and consistent performance across all five channels
Large toroidal power transformer with high-capacity power supply for excellent dynamic headroom
Balanced (XLR) and unbalanced (RCA) inputs for flexible connectivity with AV processors and preamplifiers
Independent gain controls for each channel allow precise level matching and system calibration
Bridgeable channel capability for increased power output in select configurations
Extremely low noise floor and low distortion for transparent and detailed sound reproduction
Comprehensive protection circuitry including thermal, over-current, and DC protection
Automatic turn-on options via 12V trigger or audio signal sensing
Loop outputs enable easy system expansion or multi-amp setups
Heavy-duty, resonance-resistant chassis with durable black finish
Ideal for powering front, centre, and surround speakers in high-performance home cinema environments

Description

Power Output – All 5 Channels Driven	180 watts x 5, 8 Ω 255 watts x 5, 4 Ω
IM Distortion	< 0.04 %
Audio Trigger Requirements	2 mV – 10 mV
Power Output – 2 Channels Driven	225 watts x 2, 8 Ω 350 watts x 2, 4 Ω
TIM	Unmeasurable
XLR Pin Identification	1 = Ground (Shield) 2 = Positive 3 = Negative (Return)
Power measurements parameters with 120VAC	0.05% THD, RMS continuous power, full audio band (20 Hz – 20 kHz)
Interchannel Crosstalk	> 78 dB at 1 kHz > 63 dB at 20 kHz
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)
Current Capacity	45 amperes peak, per channel
Input Impedance	Unbalanced: 47 kΩ Balanced: 94 kΩ, 47 kΩ per leg
Dynamic Headroom	>1.5dB
Input Sensitivity for 28.28 V Output into 8 Ω	Unbalanced: 1 V Balanced: 1 V per leg Total Gain: 29 dB
Net Weight	55 lb. (25 kg)
Slew Rate	> 130 volts per microsecond
S/N Ratio	> 112 dB, input shorted, IHF A-weighted > 102 dB, input shorted, unweighted
Shipping Weight	69 lb. (31.3 kg)
Frequency Response	5 Hz – 100 kHz, +0/-3 dB 20 Hz – 20 kHz, +0/-0.3 dB
Damping Factor	> 1100 at 20 Hz
Power Requirement	Standby: 1 Watt Idle: 125 Watts Maximum: 1500 Watts
Total Harmonic Distortion (THD)	< 0.05 % at full power < 0.03 % at typical listening levels
DC Trigger Requirements	+9 Vdc to +12 Vdc, 5 mA

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