HALO A52+ power amp

Save £1,500.00

Price:
Sale price£4,999.00 Regular price£6,499.00

The Parasound HALO A52+ is the latest addition to the HALO multi-channel stable.

The A 52+ is based on Parasound's previous and highly successful A 52 model, and features significant upgrades in power output, circuitry refinements, and of course features the latest Halo styling.

The new model increases available power to 180 watts per channel into 8 ohms and 255 watts into 4 ohms, with all channels driven. As with its predecessor, the Parasound Halo A 52+ is the work of audio legend John Curl, using high-bias Class A/AB and direct-coupled circuit topology.

The Parasound Halo A 52+ features a larger custom-made toroidal power transformer to support its higher power output. It has five RCA unbalanced and five balanced XLR inputs, a separate module for each channel, DC Servos and relays to protect the amp and speakers.

Currently shipping from our European warehouse - please allow 7 days for delivery.

180 watts x 2 @ 8 Ω RMS, both channels driven
255 watts x 2 @ 4 Ω RMS, both channels driven
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
3U chassis with updated cosmetics, rack mountable with HRA3 (sold separately)

Continuous power output (all channels driven):
 180 watts RMS x 5, 20 Hz - 20 kHz @ 8 Ω
 225 watts RMS x 5, 20 Hz - 20 kHz @ 4 Ω
Current capacity: 45 amperes peak per channel
Frequency response: 20 Hz - 20 kHz, +0/-0.3 dB
Total harmonic distortion: < 0.03 % at typical listening levels
IM distortion: (balanced 16 V rms) < 0.04 %
Slew rate: > 130 V/µsecond
Dynamic headroom: > 1.5 dB
Interchannel crosstalk: > 78 dB at 1 kHz & > 63 dB at 20 kHz
Input sensitivity: 1 V for 28.28 V (THX Reference Lev)
Input impedance: 47 k Ω unbalanced & 94 k Ω balanced
S/N ratio: 112 dB, input shorted, IHF A-weighted
Damping factor: > 1100 at 20 HzWidth: 437 mm
Height with feet: 149 mm
Depth: 508 mm
Depth with cables: 540 mm
Net weight: 25 kg

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