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Halo by Parasound 2.1 Channel Integrated Amplifier

Model #: Halo Integrated-Silver
136429
Parasound
At a Glance
Halo by Parasound 2.1 Channel Integrated Amplifier with subwoofer level control and dual-mono power supply
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Get to know this product.

Preamp and DAC Features

  • Latest generation ESS Sabre32 Reference DAC (ES9018K2M)
  • Asynchronous USB 2.0 supports PCM up to 384kHz/32-bit
  • USB input decodes Native DSD64, DSD128, DSD256 and DoP DSD
  • Coax and optical accept PCM up to 192kHz/24-bit
  • Analog bass management with high & low pass crossovers
  • Home theater bypass input for surround sound integration
  • Front panel subwoofer level control
  • Dedicated high current headphone amplifier (TI TPA6120)
  • Phono for MM & MC with 100 O or 47k O load
  • Front panel Aux input with automatic +12 dB gain stage
  • 5 pairs RCA line level Analog inputs
  • 1 pair XLR balanced Analog input
  • Balanced XLR and RCA left and right preamp outputs
  • 1 balanced XLR and 2 RCA subwoofer outputs z
  • Bass & treble controls with relay bypass from remote or front panel
  • Rear panel IR input and IR loop output jacks
  • 12 Volt input and output to triggers
  • Back-lit remote control with discrete buttons
  • 0.5w standby power consumption meets Energy Star & EU specs

Power Amp Features

  • 160 Watts x 2 @ 8 Ohms (RMS, both channels driven)
  • 240 Watts x 2 @ 4 Ohms (RMS, both channels driven)
  • Power amp circuit topology designed by legendary John Curl
  • Direct amplifier input to bypass preamp section
  • High bias class A/AB operation
  • Oversized shielded toroid power transformer
  • Dual-mono power supply and power amplifier
  • 40,000uF power supply filter capacitance
  • Matched JFET input stages and MOSFET driver stages
  • 12 high voltage/high current bipolar output transistors
  • Heavy-duty 24k gold-plated 5-way speaker binding posts
  • Over temp and short circuit relay protection

Power Output - Both channels driven

  • (0.05% THD, RMS, 20 Hz - 20 kHz)
  • 160 watts x 2 @ 8 O
  • 240 watts x 2 @ 4 O

Power Output - Both channels driven

  • (0.9% THD, RMS, 20 Hz - 20 kHz)
  • 180 watts x 2 @ 8 O
  • 270 watts x 2 @ 4 O

Current Capacity

  • 45 amps peak per channel

Frequency Response

  • 10 Hz - 100 kHz, +0/-3 dB

Total Harmonic Distortion (THD)

  • < 0.01 %, average listening levels
  • < 0.05 %, 160 watts x 2 @ 8 O

nterchannel Crosstalk

  • > 50 dB at 20 kHz
  • > 70 dB at 1 kHz

Signal to Noise Ratio - IHF A-weighted

  • Line in: - 103 dB (input shorted)
  • Digital in: - 106 dB

Amplifier Damping Factor

  • > 800 at 20 Hz

Preamp Stage Input Sensitivity

  • 300 mV in for 1 V at Pre Out jacks
  • Total Preamp Stage Gain: 10 dB
  • Max Output Unbalanced: 7 V
  • Max Output Balanced: 9 V

Preamp Stage Input Sensitivity

  • 300 mV in for 1 V at Pre Out jacks
  • Total Preamp Stage Gain: 10 dB
  • Max Output Unbalanced: 7 V
  • Max Output Unbalanced: 7 V

Power Amplifier Stage Sensitivity

  • 1 V at Bypass/Amp In for 28 V at Speaker Out
  • Total Amp Stage Gain: 28 dB

Phono Stage Sensitivity / Input Impedance

  • MM: 35 dB / 47 k O
  • MC: 52 dB / 47 k O or 100 O
  • Input Capacitance: 150 pF

High & Low Pass Crossover Slopes

  • 12 dB per octave

Rates

  • USB: up to 384 kHz / 32-bit PCM
  • DSD Native: DSD 64, DSD 128, DSD 256
  • DSD over PCM (DoP) at 384 kHz
  • Coax/Opt: up to 192 kHz / 24-bit PCM

Digital to Analog Converter

  • ESS Sabre32 Reference ES9018K2M
  • 384 kHz / 32-bit

USB 2.0 Controller

  • VIA VT1731, 384 kHz / 32-bit

Headphone Amplifier

  • Texas Instruments TPA6120A
  • Output Impedance 10 ohms

XLR Pin Identification

  • 1 = Ground (Shield)

2 = Positive

  • 3 = Negative (Return)

Input Impedance

  • Unbalanced: 24 k O
  • Balanced: 100 k O per leg

Output Impedance

  • Unbalanced: 100 O
  • Balanced: 470 O per leg

Power Requirement

  • Standby: 0.5 watts
  • Idling power: 70 watts
  • Maximum: 750 watts
  • 110-125 VAC 60 Hz or 220-250 VAC 50 Hz
  • AC mains voltage is set on rear

Dimensions

  • Depth without cables: 16.25
  • Height without feet: 5.25
Useful Documents
Specifications

Connections

USB Port:1
Coaxial Digital Audio Inputs:1
Optical Digital(Fiber Optic) Audio Inputs:1
Auxiliary Input:1

Specifications

Power On Consumption (watts):750
Power Off Consumption (watts):0.5

Misc. Specs

Depth (in.)17.25
Height (in.)5.88
Width (in.)17.25
Channels2.1
Analog Audio(RCA) Input5
Headset JackYes
Product Weight (lbs.)33
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