Parasound A 52 - Manuals

Parasound A 52 – Manual in PDF format online.

Manuals:

Manual

Manual Parasound A 52

Summary

Page 4 - PLACEMENT GUIDELINES FOR YOUR A 52; Keep it away from heat sources such as air ducts or radiators.; Rack Mounting Your Parasound A 52; also need to allow about; To attach the rack mount brackets:; Remove the two screws from each side of the A 52’s top cover.

PLACEMENT GUIDELINES FOR YOUR A 52 Power amplifiers are usually heavier and generate more heat than other components. To avoiddamage to the A 52 or other equipment and to reduce risk of fire, you must follow these guidelines: • Place the A 52 on a separate shelf that will adequately support its weig...

Page 5 - Balanced - Unbalanced Inputs; To Connect; Balanced Ch 1 input; YOU SHOULD KNOW

CONNECTING A SURROUND CONTROLLER TO THE BALANCED INPUTS ON YOUR A 52 Left and Right Balanced Input Jacks Balanced connections will give you the best sound. If your surround controller has balanced XLR output jacks, we recommend that you connect them to these inputs. Refer to the Balancedand Unbalanc...

Page 6 - Balanced-Unbalanced Inputs; Unbalanced Ch 1 Input

CONNECTING A SURROUND CONTROLLER TO THE UNBALANCED INPUTS ON YOUR A 52 4 Ch 1-5 Unbalanced Inputs Use these inputs if your surround controller doesn’t have balanced output connectors or if yousimply prefer to use unbalanced connections. What You’ll Need: • Five shielded interconnect cables with RCA ...

Page 7 - CONNECTING YOUR SPEAKERS TO THE A 52; Technically Speaking; When selecting speaker wire, follow these guidelines:

CONNECTING YOUR SPEAKERS TO THE A 52 5 StrippedAWG wire Dual Banana Plug Common Speaker Connectors Single Banana Plug Spade Lug Speaker Terminals The A 52 speaker terminals accept speaker wires with banana plugs, spade lugs, or bare ends. Refer to Bare Wire Speaker Termination in the Technically Spe...

Page 8 - MANUAL AND AUTOMATIC TURN ON-OFF OPTIONS

You can manually turn the A 52 on and off with its front panel On-Off button. It can also be triggeredto turn on and off automatically when your preamplifier, surround controller, or system controller isturned on and off. Manual On-Off from the Front Panel If you want to manually turn on and off the...

Page 9 - Before Connecting; Input

CONNECTING AN EXTERNAL DC SOURCE FOR AUTOMATIC TURN ON-OFF To automatically turn on and off the A 52 with an external DC voltage, choose the DC Triggeringoption by moving the Auto Turn On switch on the rear panel to its lower 12 V position. What You’ll Need: • A cable with a 2.5 mm sub-mini plug on ...

Page 10 - CONNECTING THE A 52 TO TRIGGER ANOTHER COMPONENT; Remove power to all the components in your audio system.; Plug one end of the trigger wire into the

CONNECTING THE A 52 TO TRIGGER ANOTHER COMPONENT Whenever the A 52 is turned on either manually or automatically, there is 12 Vdc present at its own DC Trigger Out jack so it can trigger additional amplifiers or other components on and off. What You’ll Need: • A wire with a 2.5 mm sub-mini plug on e...

Page 11 - Troubleshooting Guide; UNDERSTANDING THE INDICATORS ON THE A 52

a AC Present Indication When the A 52 is plugged into a live AC outlet, a soft blue halo glows behind its On-Offbutton and its red “P” Badge glows faintly. These indicate that the unit is plugged into a liveAC outlet, even when it is turned off. b On, Off and Fault/Protection Status Indicators Whene...

Page 12 - CONNECTING THE A 52 AC POWER CORD; AC Power Connections; Plug the male end of the AC cord to an AC outlet or power strip.

CONNECTING THE A 52 AC POWER CORD AC Power Connections We recommend that you plug your A 52 into the same AC wall outlet or power strip that pow-ers your other audio components, especially the preamplifier or system controller. Having all the audio components on the same power circuit helps prevent ...

Page 13 - Main Power Fuse; MAINTAINING YOUR A 52

Your Parasound A 52 power amplifier requires no periodic maintenance and has no user-serviceable parts inside. To avoid the risk of electric shock, do not remove its top cover. The amplifier’s exterior can easily be cleaned with a soft cloth pre-moistened only with a fewdrops of water or glass clean...

Page 14 - TROUBLESHOOTING GUIDE; No power; TROUBLE

TROUBLESHOOTING GUIDE 12 No power Auto turn on doesn’tfunction with a triggervoltage Auto turn on doesn’tfunction with an audioinput signal A 52 will not turn off whenaudio signal is removed Power on, but no sound On-Off button glows redand channel indicator(s)off Distorted sound Hum and / or buzzth...

Page 15 - outer carton only; Important Notice - Shipping the A 52; Use; SERVICING YOUR A 52

If All Else Fails –Call Us for Help Call your Parasound dealer or Parasound’s Technical Service Department toll free at 1-866-770-TECH (8324) . We can often solve the problem with simple diagnostic tests you can perform yourself. If we determine that your A 52 will need further inspection or servici...

Page 16 - TECHNICALLY SPEAKING; Audio Trigger Sensitivity Adjustment

TECHNICALLY SPEAKING 14 Audio Trigger Sensitivity Adjustment The Audio Sensitivity Control sets the threshold of theaudio trigger signal. You can adjust this level from amaximum sensitivity of 50 mV (fully counterclockwise)to a minimum sensitivity of 250 mV (fully clockwise). If you set this control...

Page 17 - TECHNICALLY SPEAKING continued; Use balanced input lines with your Parasound A 52.; Ground Switch, set to up position

TECHNICALLY SPEAKING continued 15 The ideal of zero voltage ground for all the compo-nents in a system is practically impossible, becausesome resistance between the ground points of differ-ent components is inevitable. By keeping componentsclose together with their power cords plugged into acommon A...

Page 18 - PARASOUND A 52 DESIGN OVERVIEW; Each channel

PARASOUND A 52 DESIGN OVERVIEW 16 Circuit Designed by John Curl Parasound design consultant John Curl has been a legend among audiophiles and electronic engineers fordecades. He pioneered measurements to correlatemusical accuracy with the materials used in parts,worked with world-class touring compa...

Page 19 - PARASOUND A 52 DESIGN OVERVIEW continued

PARASOUND A 52 DESIGN OVERVIEW continued 17 The Driver Stage The driver stage provides critical amplification forwhich we employ a complementary matched pair ofMOSFETs selected for their tube-like sonic qualities.MOSFETs tend to generate less odd-order harmonicdistortion than bipolar transistors. Th...

Page 20 - PARASOUND A 52 SPECIFICATIONS; 0 amperes peak per channel

PARASOUND A 52 SPECIFICATIONS 18 Power Output - All Channels Driven 125 watts RMS x 5, continuous, 20 Hz - 20 kHz, 8 W 225 watts RMS x 5, continuous, 20 Hz - 20 kHz, 4 W Current Capacity 30 amperes peak per channel Slew Rate > 130 volts per microsecond Frequency Response 5 Hz - 100 kHz, +0/-3 dB ...