1 / 3

Parasound - HALO A51 - Power Amplifier
Parasound - HALO A51 - Power Amplifier
Parasound - HALO A51 - Power Amplifier

Tap an image to zoom in.

Parasound

Parasound - HALO A51 - Power Amplifier

$12,999.00

Call For Stock Levels

Experience it in store

Want to hear it first?

Call or message us to check it's set up to demo in our Murarrie listening rooms.

Unit 9/20 Rivergate Place, Murarrie, Qld 4172 Get directions
  • Australian Hi-Fi Retailer of the Year
  • Fast, insured delivery Australia-wide
  • Trade in your old gear and upgrade
  • Advice from experts, not salespeople

Overview

HALO A51

Brand
Parasound
SKU
HALOA51

Not sure it's the right fit for your room or system? Our team can talk you through it.

Call 1300 308 711

Upgrade your AVR and use for Left, Center, Right, Surrounds!

Features

  • Circuitry designed by legendary John Curl
  • THX Ultra2 certified
  • High bias Class A/AB operation
  • Balanced inputs with discrete circuits and XLR connectors
  • Direct Coupled - no capacitors or inductors in signal path
  • Complementary MOSFET driver stage and JFET input stage
  • 40 beta-matched 15 amp, 60 MHz bipolar output transistors
  • 2.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel
  • 164,000 μF power supply filter capacitance
  • DC Servo and relay protection circuits
  • AC present, channel status, high temperature indicators
  • Heavy-duty 24k gold-plated 5-way speaker terminals
  • Gold-plated RCA input jacks; ground lift switch
  • Auto turn-on by 12v trigger or audio signal
  • 4u Chassis, carry handles, rack mounting adapter included

Specifications

  • Power Output - All Channels Driven: 250 watts RMS x 5, continuous, 20 Hz - 20 kHz; 8Ω 400 watts RMS x 5, continuous, 20 Hz - 20 kHz, 4Ω
  • Current capacity:: 60 amperes peak per channel
  • Power bandwidth:: 5 Hz - 100 kHz, +0/-3 dB at 1 watt
  • Total harmonic distortion:: < 0.2 % at full power
  • 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 Hz
  • Voltage: 110V - 120V
  • Dimensions: 17-1/2" w x 7-5/8" h x 20" d, 7" h without feet
  • Net weight: 80 lb.

The Audio Tailor showrooms, Brisbane

Hear it before you buy.

Nine purpose-built listening spaces in Murarrie, from our ultra reference Luxury Room to Turntable Alley. Book a private session, bring the music you know best and take your time. No pressure, just great sound.

  1. 01 Pick a room Relaxed and lifestyle, dedicated and focused, or reference grade.
  2. 02 Book a session Tell us what you'd like to hear and we'll have the room ready.
  3. 03 Sit and listen Bring your music and your questions. Stay as long as you like.

Visit us

Unit 9/20 Rivergate Place, Murarrie, Qld 4172

Tuesday to Friday
9am to 5pm
Saturday
9am to 3pm
Sunday and Monday
Closed

Verified reviews

Loved by listeners across Australia

Every review is from a verified Audio Tailor customer, in-store or online.

5.0 1,950 verified reviews of The Audio Tailor

Popular Parasound + Other Top Picks

The Audio Tailor difference

About Our Ridiculously Good, Award-Winning Service

Visit our showrooms
  • Award-winning

    Sound+Image Australian Hi-Fi Retailer of the Year, 2021 and 2022.

  • Listen before you buy

    Audition gear in purpose-built listening rooms at our Murarrie showroom.

  • Experts, not salespeople

    Genuine audiophiles who test what we sell and match it to your room.

  • Trade in and upgrade

    Get up to 75% back on speakers and cables with our trade-in programs.

Read our story Meet Stuart, Yvonne, Nathan and Vaughan, and why people trust them with their systems.
The Luxury Room in our Brisbane showroom

“Music isn't just my business, it's my firm belief that it enriches life's journey.”

Stuart Taylor, founder and director

In hi-fi since
1986
Stuart's first year in hi-fi
Awards
2×
Retailer of the Year, 2021 and 2022
Reviews
1,950+
verified customer reviews

Transform Your Listening Space: Personalised Expertise at Every Step

Ever felt the frustration of a mismatched audio system? The hours lost deciphering reviews, and the disappointment when it doesn't meet your expectations? We understand because we've been there.

Meet Stuart, Yvonne, Nathan, and Vaughan. But more importantly, meet the solution to your audio dilemmas.

Why Trust The Audio Tailor?

  1. Awarded Excellence: Honoured as Australia’s Hi-Fi Retailer of the Year in 2021 and 2022, and hailed as Queensland’s Best Hi-Fi Retailer. Not just accolades, but a testament to our dedication.
  2. Genuine Audiophiles, Not Salesmen: We aren’t just in this for sales. We're in it for the love of sound, and to enhance your auditory experiences.
  3. Personal Touch: Our commitment is to craft an audio experience tailored to you. Forget one-size-fits-all.

Our Promise?

To be with you at every step. From envisioning a serene evening with your favourite album to setting up the ultimate cinematic audio for movie nights. And once that’s clear, we’ll guide you on making it a reality, harmonising your budget, room dynamics, and dream.

What Makes Us Different?

We aren’t satisfied with the status quo. We rigorously test products, delve deep into the details, ensuring you get nothing but the best. We're about quality, not just brand names.