Parasound Zpre2 User's Manual
Contents
1. Power Button Press the Power button once to turn the Zpre2 on press it again to turn it off Note The Power button is inoperative when the rear panel Auto On switch is set to Auto O Headphone Jack The headphone jack accepts a 1 8 3 5 mm mini plug The Main audio out is muted when the headphone plug inserts into this jack but the output to the Fixed Rec jacks remains live Bass and Treble Knobs These control tone Maximum boost and cut is 10dB for each control At their center mid point you will feel a click stop At this point there is no cut or boost and frequency response is flat Input Knob The input knob selects input sources Audio and Video inputs are selected together Balance Knob This adjusts the relative volume of the left and right channels In its center position the channel levels are the same Level Knob The Level knob adjusts listening level Because it is motordriven for remote control operation you will notice some resistance when turning it by hand Display Indicators Inputs 1 2 3 4 Indicates the selected audio and video inputs 1 green In 1 is selected priority auto select function not engaged 1 orange Priority auto select function enabled and Input 1 was selected manually automati cally by an audio signal 1 red Priority auto select function enabled and another input is selected After priority auto select is enabled 1 will only appear red if no audio signal is present at2. Wall or Ceiling Mounting Mount the product to a wall or ceiling only as recommended 21 Heat The product should be situated away from heat sources such as radiators heat registers stoves and other products including amplifiers that produce heat Wwww parasound com TABLE OF CONTENTS Introduction BS kk Se he wR 2 115 230v AC Selector 2 Ventilation Requirements 3 Rack 2 oe a Re Re oe eS 3 Rear Panel Connections and Controls 4 Front Panel Controls and Indicators 7 Remote Control 8 Typical Problems and 5 9 If You Require Assistance 9 Warranty Repair 2 0 0 0 9 Specifications 30 cee Hb bw RR OEE OR Ee SERGE 10 INTRODUCTION Thank You for Choosing Parasound Congratulations and thank you for your purchase of this precision Parasound audio component The Parasound Zpre2 Preamplifier is the second generation of one of the world s most popular and proven preamplifiers It has been designed for a wide variety of applications including multi room multi zone installations deskto
3. and Ventilation Requirements Install your Zpre2 away from heat sources such as heating ducts radiators or other heat producing components Always position the Zpre2 horizontally Observe the following ventilation guidelines when installing the Zpre2 in an equipment rack or any other enclosed space We recommend that you place the Zpre2 beneath rather than above a power amplifier Do not install the Zpre2 in an unventilated equipment cabinet or compartment Pockets of heat can build up even in cabinets with open front and back sides Therefore a ventilation fan is highly recommended Rack Mounting The Zpre2 occupies only half the width of a single rack space in a standard 19 equipment rack For rack mounting you can fasten it to another Parasound Z Custom model by using the Parasound SBS Side by Side mounting kit You can also mount a single Zpre2 in the rack with the accessory Zblank panel The SBS includes four rack mount bolts plus four pairs of plastic shoulder washers The washers are important because they insulate the Zpre2 front panel and chassis from the metal equipment rack and from the four mounting bolts Locate these washers on both sides of the front panel before the mounting bolts are screwed into the rack rail O PARASOUND e PARASOUND Ej m 00 Tane Pamplin OC Zpre2 SBS Zblank panel Behind Panels REAR PANEL CONNECTIONS AND CONTR
4. jacks and Mute will glow red in the display It does not mute the signal at the Fixed level out jacks the headphone jack Press the Mute button a second time to cancel mute Mo St Tune Mode Volume A V Buttons These buttons control the rotation of the front panel motorized Level knob to increase and decrease listening volume levels PARASOUND 21 Preamp Input Buttons The primary purpose of the four buttons just below Preamp 1 Priority 2 3 4 is to select the Audio and Video source inputs 1 4 Note Preamp buttons 5 7 do not function with the Zpre2 Preamp 1 Priority Auto Select Button You can program the Zpre2 to automatically select Audio and Video Inputs 1 when an audio signal is present at the Audio In 1 jacks With this priority Preamp Input 1 will override inputs 2 3 or 4 even if one of them was already selected To enable the Input 1 Priority auto select function press and hold the Preamp 1 button for about 3 4 seconds until the Input 1 indicator changes from green to red or orange Zpre2 Cin 1 Priority Volume 1 Indicator Function Green Priority auto select is not engaged and 1 is selected manually Orange Priority auto select is enabled and is selected manually Orange Priority for In 1 is enabled and In 1 is selected automatically because an audio signal is present Red Priority auto select for In 1 is enabled and another inpu
5. set to its Auto position the Zpre2 is turned on and off with an external 9 V to 12 V voltage from your controller or preamplifier When the external voltage ceases the Zpre2 will turn off immediately Note The Auto switch position disables the front panel Power button Man Position When the Auto Man switch is in its Man manual position the auto turn on function is disabled and the Zpre2 must be turned on and off manually with the Power button on its front panel or its remote control REAR PANEL CONNECTIONS AND CONTROLS continued 12V Trigger Jacks In Trigger Jack The Zpre2 12V input uses a 2 5 mm sub mini Jack To trigger the Zpre2 plug one end of the provided cord into this jack and the other end into the source component s trigger output Some components including Parasound Surround Controllers use 3 5 mm trigger output jacks so we have also included a trigger wire with 2 5mm and 3 5mm mini plugs If the control component s trigger output is a and terminal you can cut the 2 5 mm plug off one end of the uto Man included trigger wire and attach the bare wires to these terminals The lead with ND 0 the white stripe it corresponds the plug s and the unmarked lead cor responds to the sleeve of the plug Note f the trigger voltage source is DC the trigger plug must be positive and its sleeve negative The Zpre2 trigger current draw is
6. the Audio In 1 jacks Mute red Lights when the main audio output is muted Zone green Flashes green when the Zpre2 accepts a command from the remote handset Zone red Flashes red when the Zpre2 rejects a command from the remote handset because the remote and the Zpre2 IR zone codes are different OO Zpre2 Zone Preamplifier Input Balance Level REMOTE CONTROL FUNCTIONS The PTZ 1 remote control has a range of approximately 20 25 feet 6 75 meters Use only AAA alkaline batteries in the handset and insert them according to the and polarity markings in the battery compartment The PTZ 1 Off On Mute Volume 1 4 buttons Zpre2 Pre Set and 7 1 4 IR Zone buttons are for the Zpre2 The tuner buttons control the matching Parasound Ztuner On and Off Buttons These have the same function as the Power button on the front panel j j j j Zpre2 Press On to turn the Zpre2 on The display will illuminate Pre or Tun 5 Press Off to turn the Zpre2 off zune 5 IR Zone A Zoret button together These separate buttons enable programming unambiguous hard Zpred off and on commands into a system controller or to create a macro Prony sequence for learning type remote control Note These buttons will not function when the rear panel Volume Auto Man switch is set to Auto Mute Button Pressing the Mute button once mutes the signal at the Main Out z
7. OLS Connection Precautions Disconnect the AC cord before making or changing any input output or trigger wire connections Make sure there is no strain or tension on any wires that could cause them to pull loose RS 232 Control yy 504 Zone 000090006 1934 Fi my Out USA ZPre Zone AC Voltage J ae PARASOUND 12V Trigger Audio In Jacks The Zpre2 has input jacks for up to four audio sources These are identical line level inputs however the 1 Priority jacks have a special automatic select function which will affect which source you decide to connect to them See Remote Control Priority Input Switching to help you make this decision 4 Variable Main Parasound Products Inc San Francisco CA USA ZPre2 Zone Preamplifier AC Voltage Selector On Bottom mooo Video In Jacks The Zpre2 has input jacks to accommodate up to four composite video sources The video inputs correspond to the same numbered audio input and are switched at the same time Audio Out Jacks Main Variable Out jacks connect to your power amplifier Their output level is controlled by the Zpre2 volume control Fixed Rec Out jacks feed a recorder or system controller for which a fixed output level is prefer able The sig
8. PARASOUND PARASOUND Zpre2 Zone Preamplifier with PT ZI Remote Control OWNER S GUIDE c U STOM Y N IMPORTANT SAFETY INSTRUCTIONS The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of dangerous voltage inside the product that may constitute a risk of electric shock The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the product TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL 1 Read Instructions Read all the safety and operating instructions before operating this product 2 Retain Instructions Retain safety and operating instructions for future reference 3 Heed Warnings Adhere to all warnings on the product and in the operating instructions 4 Follow Instructions Follow all operating and use instructions 5 Cleaning Unplug this product from the wall outlet before cleaning Use a damp cloth for cleaning Clean the outside of the product only 6 Attachments Do not use attachments that are not recommended by the product manufacturer they may be hazardous Water and Moisture Do not use this product near water 8 Accessories Do not place this product on an unstable cart or
9. a negligible 15 mA Out Trigger Jack This jack is live whenever the Zpre2 is turned on This enables the Zpre2 to turn a companion amplifier or other component on and off automatically The triggered component must be equipped with a 12V trigger circuit Connect the Zpre2 12V output jack to the triggered component s trigger input jack using the provided trigger wire with the 2 5 mm sub mini plugs Note Most Parasound Power Amplifiers use a 2 5mm 12V trigger input jack If the triggered component s trigger input is a terminal as in earlier Parasound Power Amplifier models you can cut the 2 5 mm plug off one end of this trigger wire and attach the bare wires to the input terminals The lead with the white stripe on it corresponds to the plug s tip and the unmarked lead corresponds to the sleeve of the plug Note The trigger voltage source is DC and the trigger plug tip is positive and its sleeve negative The Zpre2 trigger output maximum current capability is 150 mA AC Power Connections and AC Grounding If possible plug your Zpre2 into the same AC outlet that your accompanying audio components particularly your source components and power amplifier are plugged into The ground potential between different AC outlets may be higher or lower resulting in audible hum FRONT PANEL CONTROLS AND DISPLAY PARASOUND Berets Berets C Power Q Bass Treble Zpre2 Zone Preamplifier Input Balance Level
10. ad your accompanying Parasound Limited Warranty carefully to understand the applicable rights and limitations This section provides instructions for obtaining repairs both for units covered under the Parasound Limited Warranty and for units or situations which are outside the Warranty Unit is not eligible for repair under the terms of the Parasound warranty if 1 Unit was not purchased from a Parasound Authorized Dealer or Parasound Authorized Reseller 2 You are not the original owner The Parasound warranty is not transferable 3 Unit s serial number was removed modified or defaced 4 Unit shows evidence of abuse and or misuse 5 Unit was modified in any way 6 A prior repair was attempted by an unauthorized repair station PARASOUND ZPRE2 SPECIFICATIONS Frequency Response Audio 10 Hz 100 kHz 0 3 dB 10 Hz 50 kHz 0 0 8 dB Frequency Bandwidth Composite Video 10 MHz Total Harmonic Distortion 0 006 S N Ratio 112 dB input shorted IHF A weighted 92 dB input shorted unweighted Input Impedance 15 k Q Input Sensitivity 150 mV for 1 V output Maximum Output 76 Crosstalk 83 dB at 1 kHz 76 dB at 20 kHz Tone Controls Bass 8 dB at 100 Hz Treble 10 dB at 10 kHz AC Power Requirement 110 120 V 220 240 V 50 60 Hz 2 watt standby 20 watts when turned on Dimensions 9 Wide 10 Deep with connectors 2 High with feet 1 panel only 241 x 254 x 50mm 44 1mm panel o
11. e number matches the Zpre2 Zone switch setting and the front panel Zone flashes green The factory settings for the remote handset and the unit s Zone switch are both 1 If you change the Zone switch on the Zpre2 to a new number you ll also need to change the remote handset IR zone code to the same number Programming a new IR Zone Code Number To reprogram the remote press you must press two buttons at the same time press both the Zpre2 Pre Set button and the desired IR Zone button for a few seconds When the new IR zone code is successfully programmed Zone will flash green when you press any remote button Zone will flash red if the new IR zone code wasn t successfully programmed Maintaining Your Zpre2 Your Parasound Zpre2 Preamplifier requires no periodic maintenance other than an occasional admiring glance It has no userserviceable parts inside To avoid the risk of electric shock do not remove its top cover The exterior can be cleaned with a soft cloth pre moistened only with a few drops of water or glass cleaner ARE YOU HAVING DIFFICULTY No sound Check that AC is live Check that input and output cables are secure at both ends Make sure it is switched to the correct input 15 the unit on Check setting of the Auto Man switch Remote does not operate Zpre2 won t respond to the remote control Press remote s Zone button then remote s 1 button Weak or dead batteries in remote Replace batteries and plea
12. nal at the Fixed Rec output jacks does not vary as the volume control is adjusted Video Output Jacks The Video Out jack feeds your TV or video monitor The Rec Out jack feeds your video recorder In fact these jacks carry the same video signal and you may certainly use the Rec Out jack to connect a second video display REAR PANEL CONNECTIONS AND CONTROLS continued G Zone 1 2 3 4 Switch RS 232 Control You can ignore this switch if you are using a single Zpre2 in your system BEEZ The Zone switch and remote control handset can select four discrete IR codes oe Cee to control up to four 4 25 in four zones independently with a single remote handset or IR based system controller The Zone switch and remote handset factory default settings both 1 If you PARASOUND move the Zone switch to another number you ll also have to reprogram the remote handset with the same zone number see Remote Control Note The Zone switch selects new IR zone code only when the 2 2 is turned off If you move the Zone switch to select a new IR zone code while the Zpre2 is turned on you ll need to turn it off for a few seconds then on again Ext External Remote Jack Your Zpre2 accepts the infrared signal of any popular infrared repeater system to facilitate remote control operation from another room or when it is installed within a closed cabinet This connector is a 1 8 3 5 mm t
13. nd possible servicing we will provide the location of a warranty center near you or shipping instructions for the unit s return to Parasound Before You Return Any Unit to Parasound for Service Before you send your unit to Parasound you will need to obtain a specific Return Authorization RA number and shipping instructions from Parasound s Technical Department The RA num ber must be clearly marked on the outer carton Use the original factory packing materials and arrange adequate insurance to cover its value You must include a copy of your purchase receipt since this document establishes the validity of this unit s warranty Warranty repairs are only performed by Parasound or Parasound Authorized warranty centers when your purchase receipt is from a Parasound Authorized Dealer or Parasound Authorized Reseller Units Will Be Refused by Parasound Under the Following Conditions 1 Unit was sent without the Parasound assigned RA number marked on the carton 2 Unit was sent in an unsuitable shipping carton likely to have been damaged in transit 3 Unit has inadequate packing unit likely to have been damaged in transit 4 Unit was shipped collect for shipping charges We do not accept collect shipments 5 Unit was shipped via the US Postal Service 6 Unit was sent to an address other than the address instructed by our Technical Department Note The shipping address is not the same as Parasound s office address Warranty Repair Re
14. nly Net Weight 4 6 lbs 2 1 kg Rack Mount Accessory May be Purchased Separately SBS Bracket and bolts to attach any two Z Custom units side by side in a standard 19 equipment rack Zblank 9 x 1 blank panel required to mount a single Zpre2 unit Zblank kit includes one SBS Specifications and features subject to change or improvement without notice Notes We invite you to visit www parasound com for the most up to date information on your unit and to find out about other Parasound products Learn why Parasound has been a quality and value favorite of magazine reviewers sound professionals and listeners like you since we were founded in 1981 jej HA LO PARASOUND Cseries Zz PARASOUND NEWCLASSIC cCc U STOM PARASOUND Parasound Products Inc 950 Battery Street San Francisco CA 94111 Customer Service 415 397 7100 Technical Dept 415 675 7272 Fax 415 397 0144 www parasound com Rev 0 92 Parasound Products Inc 2005
15. oading Do not overload wall outlets or extension cords This can result in a fire or electric shock 14 Inserting Objects into Unit Never push objects of any kind into this product through any openings they may touch dangerous voltage points or short out parts that could result in fire or electric shock 15 Servicing Do not attempt to repair or service this product yourself Opening or removing covers may expose you to dangerous voltage and other hazards Refer all servicing to qualified service personnel 6 Damage Requiring Service Unplug this product from the wall outlet and refer servicing to quali fied service personnel under the following conditions a If the powersupply cord or plug is damaged b If liquid has been spilled into the product If the product has been exposed to rain or water d If the product does not operate normally by following the operating instructions e If the product has been dropped or damaged in any way f If the product exhibits a distinct change in performance 17 Replacement Parts When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer Unauthorized substitutions may result in fire electric shock and other hazards 19 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating condition 20
16. p audio PC Mac audio bedroom or den systems The versatility of the Zpre2 allows many connection and configuration options so please be sure to read this manual thoroughly before you begin installation Unpacking Carefully unpack your Zpre2 and these accessories e Detachable AC power Remote control handset with two AAA batteries e Two trigger wires one with 2 5 mm sub mini plugs one with a 2 5mm and a 3 5mm mini plug Please inspect the unit now and contact your Parasound Dealer promptly if you see evidence of shipping damage Save the carton and packing inserts in case you move or in the event you need to ship your amplifier for repair Before you proceed locate the serial number on the rear panel or underside of the unit and record it here for future reference OWNERSHIP REFERENCE INFORMATION Parasound Serial Number Date of Purchase Name of Dealer Dealer Street Address Dealer Phone AC VOLTAGE INSTALLATION AND RACK MOUNTING 115v 230v AC Voltage Selector Switch This switch is found on the chassis bottom The 115V position of this switch is correct for North America most other countries require setting it to 230V Make sure the 115 230V switch is set for the correct AC line mains voltage before you connect the Zpre2 s power cord and before you install it The unit may be seriously damaged if this switch is set incorrectly AC Voltage Selector Switch Shown set for 230v Installation
17. se recycle old ones IR Interference Insure that the front panel IR receiver is not obscured or exposed to direct sunlight or to an LCD or a plasma TV screen If you can not select an input other than Input 1 turn off the Priority auto select feature by holding the Preamp 1 button down for 4 seconds see page 8 IR zone code setting does not match the unit Change zone numbers so they match Incorrect remote Must be Parasound PTZ 1 or using IR codes corresponding to PTZ 1 Background Hum Move audio cables and AC cords away from each other Try different routes for the audio cables and AC cords Make sure insulating shoulder washers are used if unit is rack mounted Try reversing the direction of the AC plugs in other components one by one Distorted and Weak Sound Make sure the gain of the power amp is not set too low Are you trying to use Zpre2 with a turntable It does not have a built in phono preamplifier stage You will need a phono preamp such as the matching Parasound Zphono WARRANTY REPAIR Call your Parasound dealer first If the dealer can t help you with your problem we encourage you Parasound s Technical Service Department toll free at 1 866 770 8324 Monday Friday 8am 4pm Pacific time We can suggest other diagnostic tests you can easily perform If we determine that your Zpre2 should be returned to Parasound or an Authorized Parasound Warranty Center for inspection a
18. stand The product may fall causing bodily injury and damage to the product A product and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the product and cart to overturn 9 Ventilation Slots and openings in the cabinet are provided for ventilation to ensure reliable opera tion of the product and to protect it from overheating These openings must not be blocked or covered This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided 10 Power Sources Operate this product only from the type of power source indicated on the label If you are not sure of the type of power supply to your home consult your dealer or local power company This product is equipped with a three prong grounding plug This plug will only fit into a grounding power outlet If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the grounding plug 1 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them 2 Lightning Unplug the unit from the wall outlet for added protection during a lightning storm and when it is left unattended and unused for long periods of time This will prevent damage to the product due to lightning and power line surges 3 Overl
19. t is selected Red Priority auto select for In 1 is enabled but no audio signal is present at the Audio 1 In Jacks Note After the Audio In 1 source stops playing the In 1 indicator will remain orange until you select another input manually You can select another input when the 1 indicator is green or red If 1 glows orange you can select another input only if no audio signal is present or if you disen gage the Priority auto select To disable Input 1 Priority auto select press and hold the Preamp 1 button for about 3 4 seconds until the 1 indicator glows green REMOTE CONTROL FUNCTIONS continued With this handy feature the Zpre2 will automatically switch to your favorite source component whenever it s playing If you use the Zpre2 to control a DVD player tuner and satellite receiver in your bedroom you can connect its Audio In 1 jacks to the feed from a distant main system controller Its program will be selected automatically when it s playing Pre Set Button The Pre Set button is used only for reprogramming the remote handset IR zone code You don t have to worry about this button if you only have a single Zpre2 in your system If your Zpre2 15 not responding to the remote please read the following information Zpre2 CGE toset press the Set IR Zone Pre or Tun Set n Ztuner button amp Zone button together IR Zone Code Numbers The remote handset will not operate the Zpre2 unless its IR zone cod
20. wo conductor mini jack its center conductor plug tip is its outer conductor plug sleeve is Note Unlike Parasound Surround Controllers the Zpre2 Ext Remote input does not require an amplified IR connecting block Automatic Turn On Options For convenience the Zpre2 can be triggered to turn on automatically when a suitable voltage is applied to its 12V In input jack When automatic turn on is selected the Zpre2 front panel Power button is disabled so that on off is determined solely by the triggering system master controller RS 232 Control Jack This is serial port which accepts commands from your system controller write and feeds back status to be displayed read The following can be controlled and displayed Power on Input selected Volume was adjusted via RS 232 Mute on Note The RS 232 will feedback when volume level is changed by the RS 232 but not if it is adjusted with the front panel knob or remote control handset The RS 232 read does not display the actual level because it uses an analog volume control which cannot show its setting In most instances this won t be issue since volume level is immediately heard as satisfactory too high or too low Ay Auto Write and Read RS 232 codes for the Zpre2 are available at our website www parasound com Auto Man Manual Turn On Switch Auto position When the Auto Man switch is
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