Parasound A 52 manual Parasound a 52 Specifications

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18PARASOUND A 52 SPECIFICATIONS

Power Output - All Channels Driven

125 watts RMS x 5, continuous,

20 Hz - 20 kHz, 8W

225 watts RMS x 5, continuous,

20 Hz - 20 kHz, 4W

Current Capacity

30 amperes peak per channel

Slew Rate

> 130 volts per microsecond

Frequency Response

5 Hz - 100 kHz, +0/-3 dB at 1 watt

Total Harmonic Distortion

<0.2 % at full power

<0.03 % at typical listening levels

IM Distortion

< 0.04 %

TIM

Unmeasureable

Dynamic Headroom

> 1.5 dB

Interchannel Crosstalk

>78 dB at 1 kHz

>63 dB at 20 kHz

Input Impedance

Unbalanced: 47k W

Balanced: 94k W

Input Sensitivity for 28.28 V Output into 8 W

Unbalanced: 1 V

Balanced: 1 V per leg

S/N Ratio

>113 dB, input shorted, IHF A-weighted

>104 dB, input shorted, unweighted

Damping Factor

> 1000 at 20 Hz

DC Trigger Requirements

+9 Vdc to +12 Vdc, 2 mA

Audio Trigger Requirements

50 mV AC - 250 mV AC

DC Trigger Output Capacity Requirements

+12 Vdc, 150 mA

Dimensions

Width: 17 14" (437 mm)

Panel height: 5 14" (133 mm)

Height with feet: 5 78" (150 mm)

Depth: 19 34" (501 mm)

Power Requirement

Standby: 25 Watts

Full Power into 8W : 1200 Watts

Net Weight

50 14 lb. (22.8 kg)

Shipping Weight

64 lb. (29 kg)

V 1.0 Features and specifications subject to change without notice.

© Parasound Products, Inc. 2002.

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Contents Amplifier Thank YOU Congratulations and Thank You for Choosing ParasoundParasound Staff Unpacking Your a Keeping Records for Future ReferenceTable of Contents To attach the rack mount brackets Placement Guidelines for Your aRack Mounting Your Parasound a Before Connecting Balanced XLR Jacks and Their Pin ConfigurationLeft and Right Balanced Input Jacks What You’ll NeedCh 1-5 Unbalanced Inputs Write Down Your ConnectionsConnecting Your Speakers to the a Speaker Wire Length and Gauge thicknessSpeaker Terminals Correct Speaker Polarity is ImportantManual and Automatic Turn ON-OFF Options Connecting an Active Audio Source for Automatic On-OffTurn Off Delay in the Audio Mode Connecting AN External DC Source for Automatic Turn ON-OFF Audio Turn On Switch Set to down positionConnecting the a 52 to Trigger Another Component On, Off and Fault/Protection Status Indicators Channel Status IndicatorsAll Indicators Illuminated High-Temp Indicator120 V or 220 V 240 V Operation Connecting the a 52 AC Power CordAC Power Connections Maintaining Your a Troubleshooting Guide Trouble Probable Cause RemedyProcedure for Returning Your a 52 to Parasound for Service Servicing Your aIf All Else Fails -Call Us for Help Important Notice Shipping the aAudio Trigger Sensitivity Adjustment Technically SpeakingTechnically Speaking Parasound a 52 Design Overview Circuit Designed by John CurlParasound a 52 Design Overview Parasound a 52 Specifications Parasound Products, Inc Battery Street, San Francisco, CA