Parasound Halo A 23+ Stereo Power Amplifier

₹ 217,000.00

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Country of Origin: Usa

From the house of Ooberpad arrives the power-packed Parasound Halo A 23+ Stereo Power Amplifier. Meet the Halo A 23+ and enjoy performance upgrades for a cleaner, barely perceptible distortion sound, revised front panel cosmetics, and a revised rear panel layout offering enhanced features, too. Parasound transports listeners to a delightful aural experience, besides that its halo now shines even brighter than ever with its brand new version of the Halo A 23 two-channel power amplifier.


1-year manufacturer's warranty

Key Features:

  • Circuitry designed by legendary John Curl
  • High bias Class A/AB operation
  • 45 amperes peak current per channel
  • Stable with speaker impedance dips below 2 Ω
  • Balanced inputs with discrete circuits
  • Heavy-duty 24k gold-plated 5-way speaker binding posts
  • Gold-plated RCA input & loop output jacks
  • Direct-coupled signal path, no capacitors or inductors
  • DC Servo and relay protection circuits
  • AC turn-on inrush surge protection with relay bypass
  • JFET input stage, MOSFET driver stage
  • 12 beta-matched 15 ampere, 60 MHz bipolar output transistors
  • 1.1 kVA shielded toroid transformer w/ independent windings for each channel
  • Independent power supplies for input stage, driver stage and output stage
  • 54,400 µF filter capacitors for output stages
  • Full power is rated all the way down to 5Hz for unrestricted low-end bass
  • Harris hyper-fast soft-recovery bridge diode rectifiers
  • Automatic turn-on by 12 V trigger or audio sensing
  • 2 rack space chassis with rear carry handles
  • Rack mount hardware available separately

                    Benefits of Parasound Halo A 23+ Stereo Power Amplifier:

                    Impressive Performance Upgrades 
                    Impressive Performance Upgrades

                    The performance of a power amplifier is significantly contingent upon the quality of its power supply, and Parasound went the extra mile with the A 23+, which boasts a 10% to 15% larger main power transformer compared to the previous model A 23. Transformer size has been increased from 1.0 to 1.1kVA, and the filter capacitance increases 20-30% from 40,000 uF for the A 23 to 54,400 uF for the new A 23+. You'll experience the pros of these upgrades as the A23+ ensures there is imperceptible distortion at full power. Other performance upgrades comprise of tweaked input circuits for better crosstalk specs (70 dB at 20 kHz compared to 63 dB) and upgraded internal gold on gold audio connections, consequently leading to a cleaner signal path that's also more trustworthy.

                    Upgraded Rear Panel Features and Layout with Revised Halo Front Panel Look

                    The rear panel of the A 23+ has been revised in terms of layout and some breakthrough features. It boasts upgraded speaker terminals, using identical terminals to the HINT 6 integrated amp, a new jack/terminal layout with more space and more clear text/labels, and a master "Vacation" AC switch. The 2.5mm trigger jacks of the A 23 have been replaced with 3.5mm jacks, and the audio trigger circuit has been updated for better low signal reliability.

                    The Halo series has always upheld its reputation for its eye-catching aesthetics, and the look is further enhanced. New front panel cosmetics include slim metal end caps replacing wider plastic end caps, also an added gold metallic accent stripe along with the end cap, gold feet now on black units, and an engraved metal "Parasound" badge replacing the red "P."

                    Where to buy?
                    Buy Parasound Halo A 23+ Stereo Power Amplifier online at the best price in Mumbai, Delhi, Bangalore, Chennai and all across India. Enjoy expert, prompt and courteous customer service from the team. We will help you choose better and will give you all the support you need to take the right buying decision in India.

                    Technical Specifications of Parasound Halo A 23+ Stereo Power Amplifier:

                    Brand & Model # Parasound Halo A 23+
                    Power Output – Stereo Mode (0.06% THD) 160 watts x 2, 8 Ω both channels driven
                    240 watts x 2, 4 Ω both channels driven
                    Power Output – Stereo Mode (0.9% THD) 210 watts x 2, 8 Ω both channels driven
                    300 watts x 2, 4 Ω both channels driven
                    Power Output – Bridged Mode (0.06% THD) 500 watts x 1, 8 Ω
                    Bridged 4 Ω operation is not recommended
                    Power Output – Bridged Mode (0.9% THD) 600 watts x 1, 8 Ω
                    Bridged 4 Ω operation is not recommended 

                    *All Power measurement are at 120 VAC,
                    RMS continuous power, full audio band (20 Hz - 20 kHz)

                    Current Capacity
                    45 amps peak per channel
                    Slew Rate > 130 V/µsecond
                    Frequency Response 5 Hz - 100 kHz, +0/-3 dB
                    20 Hz - 20 kHz, +0/-0.25 dB
                    Total Harmonic Distortion (THD) < 0.06 % at full power
                    < 0.03 % at typical listening levels
                    IM Distortion < 0.04 %
                    Dynamic headroom > 1.5 dB
                    Interchannel crosstalk
                    > 85 dB at 1 kHz
                    > 70 dB at 20 kHz
                    Input Sensitivity for 28.28 V Out (8 Ω Load) Unbalanced: 1 V
                    Balanced: 1 V per leg
                    Input Impedance Unbalanced: 33 kΩ 
                    Balanced: 66 kΩ,(33 kΩ per leg)
                    Total Gain 29 dB
                    S/N ratio > 112 dB, input shorted, IHF A-weighted
                    > 107 dB, input shorted, unweighted
                    Damping Factor
                    > 800 at 20 Hz
                    DC Trigger Requirements +9 Vdc to +12 Vdc, 5 mA
                    Auto Trigger Requirements 2 mV - 10 mV
                    XLR Pin Identification 1 = Ground (Shield)
                    2 = Positive
                    3 = Negative (Return)
                    Width: 17-1/4" (437 mm)
                    Depth: 15"-1/4" (388 mm)
                    Depth, with cables 17" (432 mm)
                    Height, with feet: 4-1/8" (105 mm)
                    Height, without feet: 3-1/2" (89 mm), 2U
                    Net Weight

                    27 lb. (12.2 kg)

                    Power requirements Standby: <1 Watt 
                    Idle (no music playing): 75 Watts 
                    Typical Listening levels: 125 Watts
                    Maximum: 800 Watts
                    110-125 VAC 60 Hz or 220-250 VAC 50 Hz
                    AC mains voltage is set on rear panel

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