Parasound p5 + a21 pre-power stereo takım

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Parasound Halo P5 2.1 Channel Stereo Preamplifier

 

• Burr-Brown PCM1798 DAC with USB, Optical and Coax inputs
• Coax and optical accept all sampling rates up to 192 kHz, 24-bit
• USB accepts up to 96 kHz, 24-bit
• Incoming jitter on all three digital inputs is significally attenuated with an effective clock recovery system
• Analog Bass management with high and low pass crossovers
• Home theater bypass input for surround sound integration
• Front panel subwoofer level control
• 5 RCA line level inputs
• 1 XLR balanced input (parallels Input 5 RCA jacks)
• Phono input for MM & MC cartridges with 100 Ohm or 47k Ohm load
• Front panel Aux input with automatic +12 dB gain stage
• Balanced XLR and RCA left and right outputs
• 1 balanced XLR and 2 RCA subwoofer outputs
• Bass & treble controls with defeat from remote or front panel
• Headphone jack with 10 ohm output impedance
• Rear panel IR input and IR loop output jacks
• 12 V output to trigger power amplifiers and other devices
• Automatic turn on with 12 V trigger or AC power
• Fixed level record output
• Premium motor-driven Alps potentiometer volume control
• Left/Right Balance control
• Remote control with discrete on/off power buttons
• 0.5w standby power consumption meets Energy Star spec
• Rack mounting adapter available (Model HRA 2 sold separately)
• Available in silver or black finish

 

Frequency Response 
10 Hz - 100 kHz, +0/-3 dB

Total Harmonic Distortion 
< 0.01 %

Crosstalk 
> 70 dB at 20 kHz

Input Sensitivity 
300 mv: 1 Volt Out
Total Gain: 10 dB
Maximum Output: 7 Volts

Input Impedance 
Unbalanced: 24k Ohm
Balanced: 100k O per leg

Output Impedance 
Unbalanced: 100 Ohm
Balanced: 470 Ohm per leg

 

S/N Ratio - Line Inputs 1-5 
> 108 dB, input shorted, IHF A-weighted
> 88 dB, input shorted, unweighted

S/N Ratio - DAC Inputs 
> 108 dB, input shorted, IHF A-weighted
> 90 dB, input shorted, unweighted

S/N Ratio - Phono Inputs 
MM > 80 dB, input shorted, IHF A-weighted
MM > 70 dB, input shorted, unweighted
MC > 67 dB, input shorted, IHF A-weighted
MC > 55 dB, input shorted, unweighted

Hi/Low pass crossover slope 
12dB / Oct

DC Trigger Requirements 
+9 Vdc to +12 Vdc, 2 mA

 

XLR Pin Identification 
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)

Dimensions 
Width: 17-1/4” (437 mm)
Depth: 13-3/4” (350 mm)
Height, with feet: 4-1/8” (105 mm)
Height, without feet: 3-1/2” (89 mm)

Net Weight 
14 lb. (6.3 kg)

Shipping Weight 
21 lb. (9.5 kg)

Power Requirement 
Standby: 0.5 Watts
Power On: 20 Watts
100-250 Volts, 50-60 Hz (Automatic)

 

 

 

 

Parasound Halo A 21 2-Channel Power Amplifier

 

 

 

• 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
• 16 beta-matched 15 amp, 60 MHz bipolar output transistors
• 1.2 kVA encapsulated toroid power transformer with independentsecondary windings for each channel
• 100,000 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, 12v trigger out

 

 

Continuous power output: 
250 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, all channels driven
400 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, all channels driven
750 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω

Current capacity: 
60 amper