Parasound Halo A 52+
Features
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
PRODUCT DETAILS
Technical Specifications
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 %
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
Physical Specifications
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
