Parasound Halo P6 - 2.1 Channel Preamplifier & DAC
New Features (Changes from the P 5)
- ESS Sabre32 Reference DAC replaces the original Burr-Brown DAC
- USB input is now capable of DSD & 384kHz/32-bit PCM (up from 96Khz/24-bit)
- Burr Brown analog resistor ladder volume control
- Dimmable front panel volume display
- Upgraded USB receiver with "plug and play" operation with Windows 10
- An additional optical input (2 total)
- Ball bearing supported solid aluminum volume knob
- Programable default turn on volume setting
- Favorite volume memory with remote control button
- Increased phono stage gain for lower output cartridges
- Improved Left/Right channel separation and balance tracking
- Sand blasted metal end caps replace plastic end caps on the P 5
- Updated cosmetics with subtle gold highlights
Preamp and DAC Features
- 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 inputs 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 input for MM, MC and MI with 100 Ω or 47k Ω 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
- Bass & treble controls with relay bypass from remote or front panel
- Rear panel IR input and IR loop output jacks
- 12 Volt trigger output
- Back-lit remote control with discrete buttons
- 0.5w standby power consumption meets Energy Star & EU specs
Frequency Response
10 Hz - 100 kHz, +0/-3 dB
20 Hz - 20 kHz, +0/-0.5 dB
Total Harmonic Distortion (THD)
< 0.01 %
Interchannel Crosstalk
> 70 dB at 20 kHz
> 78 dB at 1 kHz
Preamplifier Stage Input Sensitivity
300 mV in for 1 V
Total Gain: 10 dB
Max Output: 7.5V
S/N Ratio - Line Inputs 1- 5
> 108 dB (shorted, IHF A-weighted)
> 88 dB (shorted, unweighted)
S/N Ratio - DAC Inputs
> 108 dB (IHF A-weighted)
> 88 dB (unweighted)
S/N Ratio - Phono Input
MM > 80 dB (shorted, IHF A-weighted)
MM > 70 dB (shorted, unweighted)
MC > 67 dB (shorted, IHF A-weighted)
MC > 55 dB (shorted, unweighted)
Phono Stage Sensitivity / Input Impedance
MM: 38 dB / 47 k Ω
MC: 52 dB / 47 k Ω or 100 Ω
Input Impedance
Unbalanced: 24 k Ω
Balanced: 100 k Ω per leg
Preamplifier Output Impedance
Unbalanced: 100 Ω
Balanced: 470 Ω per leg
High & Low Pass Crossover Slope
12 dB per octave
Supported DAC Sampling 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/Optical:up to 192 kHz / 24-bit PCM
Digital to Analog Converter
ESS Sabre32 Reference ES9018K2M
384 kHz / 32-bit
USB 2.0 Controller
Savitech SA9227, 384 kHz / 32-bit
Headphone Amplifier
Texas Instruments TPA6120A
Output Impedance 10 ohms
XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)
Dimensions
Width: 17-1/4" (437 mm)
Depth: 15" (381 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
14 lb. (6.3 kg)
Shipping Weight
21 lb. (9.5 kg)
Power Requirement
Standby: 0.5 watts
Power On: 15 watts
100-250 VAC 50/60 Hz (automatic)10 Hz - 100 kHz, +0/-3 dB
20 Hz - 20 kHz, +0/-0.5 dB
Parasound Halo A 21+ 2-Channel Power Amplifier
Changes from the original A 21→A 21+
- 250 → 300 Watts (8Ω)
- 400 → 500 Watts (4Ω)
- 750 → 1000 Watts (bridged)
- Filter cap: 88,000 uF → 108,000 uF
- S/N: 112dB → 115 dB
- THD (at full power): 0.2% → 0.1%
- Crosstalk (20kHz): 63dB → 70dB
- Transformer size: 1.2 kVA → 1.3 kVA
- Weight: 60 LB → 71 LB
- Refined Halo cosmetic with aluminum end caps & gold highlights
- Updated rear panel with heavy duty speaker terminals from JC 5
- Upgraded internal gold on gold audio connections
- Updated auto turn on circuit
All Features
- 300 watts x 2 @ 8 Ω RMS, both channels driven
- 500 watts x 2 @ 4 Ω RMS, both channels driven
- 1000 watts x 1 @ 8 Ω, in bridged mode
- Circuitry designed by legendary John Curl
- High bias Class A/AB operation
- 60 amperes peak current per channel
- Stable with speaker impedance dips to 1.5 Ω
- Balanced inputs with discrete circuits
- CHK Infinium, custom 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
- 16 beta-matched 15 ampere, 60 MHz bipolar output transistors
- 1.3 kVA shielded toroid transformer w/ independent windings for each channel
- Independent power supplies for input stage, driver stage and output stage
- 108,000 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
- 4 rack space chassis with rear carry handles
- Rack mount hardware is included
- Available in silver or black
Power Output – Stereo Mode (0.1% THD)
300 watts x 2, 8 Ω both channels driven
500 watts x 2, 4 Ω both channels driven
Power Output – Bridged Mode (0.1% THD)
1000 watts x 1, 8 Ω
Bridged 4 Ω operation is not recommended
Power measurement are at 120 VAC:
0.1% THD, RMS continuous power,
full audio band (20 Hz - 20 kHz)
Current Capacity
60 amps peak, per channel
Slew Rate
> 130 volts per microsecond
Frequency Response
5 Hz - 100 kHz, +0/-3 dB
20 Hz - 20 kHz, +0/-0.25 dB
Total Harmonic Distortion (THD)
< 0.1 % at full power
< 0.03 % at typical listening levels
IM Distortion
< 0.04 %
TIM
Unmeasurable
Inter-channel Crosstalk
> 80 dB at 1 kHz
> 70 dB at 20 kHz
Input Impedance
Unbalanced: 33 kΩ
Balanced: 66 kΩ,(33 kΩ per leg)
Total Gain
29 dB
Input Sensitivity for 28.28 V Output into 8 Ω
Unbalanced: 1 V
Balanced: 1 V per leg
S/N Ratio
> 115 dB, input shorted, IHF A-weighted
> 110 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
XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)
Dimensions
Width: 17-5/8" (448 mm)
Height without feet: 7-1/8" (181 mm)
Height with feet: 7-3/4" " (197 mm)
Depth: 20" (508 mm)
Depth with cables: 21-1/2" (546 mm)
Net Weight
71 lb. (32.2 kg)
Shipping Weight
88 lb. (39.9 kg)
Power Requirement
Standby: 1 Watt
Idle (no music playing): 160 Watts
Typical Listening levels: 300 Watts
Maximum: 1400 Watts