Fostex PM0.4 User's Manual
Contents
1. g B B loudspeaker base width Lo Reference listening position D monitoring distance Setup Instructions continued Once the studio monitors have been placed in their final location it is time to proceed to connecting your PMO 4 studio monitors to the mixing console or digital workstation Connection to the PMO 4 can be made using RCA or TRS connectors The gain control on the back of the monitor allows continuously variable adjustments to match most input types of line level signals 10dBV for RCA un balanced The TRS input is balanced and is also compatible with unbalanced sources although this may require an adapter The connection of the PMO 4 to the console digital workstation should be done in the following order Note Please do not plug both RCA and TRS connectors at the same time The PMO 4 is designed to take only one input Step 1 Make sure that all equipment has been powered down Step 2 Confirm that all gain controls on the monitor and the source are set to the minimum setting Step 3 Connect the source to the PMO 4 monitor Step 4 Power up the all source equipment and then turn on the PMO 4 last Step 5 Set the gain of both monitors at medium setting and slowly bring up the gain of the console Step 6 Adjust the gain of both monitors for balance and for best signal to noise ratio Once the above steps have been completed you are ready to use your PMO 4 monitors It is recommended that2. Product Specifications Drivers Low Frequency Driver 4 Cone Speaker High Frequency Driver 5 8 Soft Dome Tweeter Cabinet Dimensions 144mm W x 220mm H x 180mm D includes heatsink 165mm D x cabinet only no heatsink 5 3 4 W x 8 11 16 H x 7 1 8 D includes heatsink 6 1 2 D x cabinet only no heatsink Net Weight 3 75 Kg pc 8Lbs 402 pc Gross Weight includes all packing material 9 16 Kg pair 20Lbs 602 pair Frequency Response Free Field Frequency Response 60Hz to 30kHz Low Frequency Cutoff 60Hz 10dB High Frequency Cutoff 22kHz 10dB Product improvement may warrant a change of specifications newer materials or cosmetics Changes in specifications and features may be made without notice or obligations Cable and Wiring Information Use high quality shielded cables to connect your mixing console workstation or other source to your monitors Foil shielded cables such as Belden 8451 8761 or 9501 should do quite well Other high quality cables are available and those that incorporate better shielding will yield an overall higher noise rejection lowering your systems susceptibility to exter nal interference Another important tip to keep in Amplifier Power Low Frequency 18 W High Frequency 18 W Amplifier Distortion lt 0 005 THD 12 Watts 40hm 20Hz 20kHz Amplifier Signal to Noise Ratio gt 75dB 20Hz 30kHz Not Weighted Amplifier Slew Rate 8V psec Power Requireme
3. you now play some familiar audio material and make any final adjustments as far as placement or level to get the optimum performance in your monitoring environment Back Panel Overview 1 Line RSA and TRS Input O The TRS is an electronically balanced input and the line input is unbalanced input They are compatible with general line level input signals 2 Continuously variable gain control This control adjusts the input level to the internal amplifiers 3 Heatsink The heatsink dissipates heat from the amplifier It O is important the heatsink receives proper ventilation and is not placed near any sources of heat 4 Power Switch Turns power to the amplifier section on or off CAUTION HEATSINK MAY GET HOT On position is the spot side RISK OF ELECTRIC SHOCK 3 AC Power Cord AVIS RISQUE DE CHOC ELECTRIQUE This line cord provides the AC power O NE PAS OUVRIR to the product Damage to equioment may occur if improper line voltage is o FOSTEX pmo 4 used See voltage marking on label Shack covet xpos tis qupmetttocaner Moisture Do not remove cover No user serviceable parts inside Refer servicing to qualified personnel SNTERTED FOSTEX monet Pmo 4 k PROFESSIONAL STUDIO MONITOR CONFORMS TO UL STD 6500 c p CERTIFIED TO 3024002 CAN CSA STD E60065 O Made in China OJ
4. Proel S p A ADD Zona Via Alla Ruenia 37 43 64027 Sant Omero Teramo Italy TEL 39 0861 81241 FAX 39 0861 887862 lt THE NETHERLANDS gt NAME IEMKE ROOS AUDIO B V ADD Kuiperbergweg 20 1101 AG Amsterdam The Netherlands TEL 31 20 697 2121 FAX 31 20 697 4201 lt NORWAY gt NAME Siv Ing Benum AS ADD P O Box 145 Vinderen 0319 Oslo Norway TEL 47 2213 9900 FAX 47 2314 8259 lt PORTUGAL gt NAME Caius Tecnologias Audio e Musica Lda ADD Praca do Bom Sucesso No 61 Bom Sucesso Trade Center Escritorio 701 702 4150 1460 Porto Portugal TEL 351 22 608 06 10 FAX 351 22 608 06 29 lt SPAIN gt NAME Letusa S A ADD C Laguna 10 28923 Alcorcon Madrid Spain TEL 34 91 4862800 91 4470898 FAX 34 91 6414597 lt SWEDEN gt NAME Sennheiser AB ADD John Ericssonsgatan 10 P O Box 22035 SE 104 22 Stockholm Sweden TEL 46 8 566 16400 FAX 46 8 566 16490 lt SWITZERLAND gt NAME Audio Bauer Pro AG ADD Bernerstrasse Nord 182 CH 8064 Zurich Switzerland TEL 41 1 4823230 FAX 41 1 4326558 lt UK gt NAME SCV London ADD 40 Chigwell Lane Oakwood Hill Industrial Estate Loughton Essex IG10 3NY U K TEL 44 20 8418 0778 FAX 44 20 8418 0624
5. e or E The appliance has been dropped or the enclosure damaged 17 Servicing The user should not attempt to service the appliance beyond that described in the operating instructions All other servicing should be referred to qualified service personnel 18 The appliance should be situated away from drops of water or spray of water 19 Objects containing liquid such as vase must not be put on the appliance 20 The appliance is not completely isolated from the power supply even if the power switch is at off position 21 Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the apparatus 22 Only use attachments accessories specified by the manufacturer 23 An appliance with a protective earth terminal should be connected to a mains outlet with a protective earth connection 24 An appliance should be placed in a position where an AC plug inlet can be easily pulled out by hand 25 Main plug is used as the disconnection device It shall remain readily operable and should not be obstructed during intended use To be completely disconnected the apparatus from supply mains the mains plug of the apparatus shall be disconnected from the mains socket outlet completely Introduction Thank you for purchasing the Fostex PMO 4 Professional Studio Monitor As with all Fostex products the PMO 4 has been designed to provide superlativ
6. e and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to overturn 7 Wall or Ceiling Mounting The appliance should be mounted to a wall or ceiling only as recommended by the manufacturer 8 Ventilation The appliance should be situated so that its location or position does not interfere with its proper ventilation For example the appliance should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air through the ventilation openings 9 Heat The appliance should be situated away from heat sources such as radiators heat registers stoves or other appliances including amplifiers that produce heat 10 Power Sources The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance 11 Grounding or Polarization The precautions that should be taken so that the grounding or polarization means of an appliance is not defeated CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT ATTENTION POUR EVITER LES CHOCS ELECTRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND The lightning flash with arrowhead symbol within an
7. e performance unquestioned reliability and exceptionally high value The PMO 4 was specifically engineered to fulfillall of your critical near field monitoring needs and is emblematic of the years of experience Fostex has had in the professional audio marketplace The PMO 4 takes full advantage of internal bi amplification and employs two state of the art amplifiers that utilize high quality discrete bipolar output devices The 4 woofer and 5 8 tweeter were expressly designed for high output ultra low distortion and incorporate the latest technologies and manufacturing techniques Please take the time to thoroughly read this manual so that you may take full advantage of all the benefits of the Fostex PMO 4 Professional Studio Monitor Prior to unpacking your Fostex PMO 4 Studio Monitor carefully inspect the packing material for excessive damage Once it has been determined that the packing material has not been compromised carefully unpack the PMO 4 Studio Monitor and inspect it carefully for obvious damage Fostex takes great care in designing packing materials that will survive most expected impacts during shipping If any damage is discovered during the inspection process contact your Fostex dealer so that this issue can immediately be addressed Setup Instructions Monitoring Distance 1 to 2 meters After carefully unpacking the PMO 4 Professional Studio Monitor it is now time to setup the monitors for the best acou
8. ency fields power frequency magnetic field radiate electromagnetic field requirements and static electricity discharging environment this could be affected by generation of noise in some cases FOSTEX DISTRIBUTORS LIST IN EUROPE Including non EU countries as of May 2006 lt AUSTRIA gt NAME ATEC Audio u Videogeraete VertriebsgesmbH ADD Im Winkel 5 A 2325 Velm Austria TEL 43 2234 74004 FAX 43 2234 74074 lt BELGIUM gt NAME General Audio ADD Raymond Pelgrimslaan 101 B 1702 Groot Bijgaarden Belgium TEL 32 2 4630650 FAX 32 2 4661500 lt DENMARK gt NAME SC Sound Aps ADD Malervej 2 DK 2630 Taastrup Denmark TEL 45 4399 8877 FAX 45 4399 8077 lt FINLAND gt NAME Noretron Oy Audio ADD P O Box 22 FIN 02631 Espoo Finland TEL 358 9 5259330 FAX 358 9 52593352 lt FRANCE gt NAME Sennheiser France ADD 128 bis avenue Jean Jaures 94851 Ivry sur Seine Cedex France TEL 33 1 4987 0300 FAX 33 1 4987 0324 lt GERMANY gt NAME Mega Audio GmbH ADD Stromberger Str 32 D 55411 Bingen Germany TEL 49 6721 94330 FAX 49 6721 32046 lt GREECE gt NAME Bon Studio S A ADD 6 Zaimi Street Exarchia 106 83 Athens Greece TEL 30 210 3809 605 606 607 608 FAX 30 210 3845 755 210 3827 868 lt ICELAND gt NAME I D Electronics ADD ARMULA 38 108 REYKJAVIK ICELAND TEL 354 553 3050 FAX 354 553 3435 lt ITALY gt NAME
9. equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance 12 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 paying particular attention to cords at plugs convenience receptacles and the point where they exit from the appliance 13 Cleaning The appliance should be cleaned only as recommended by the manufacturer 14 Nonuse Periods The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time 15 Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings 16 Damage Requiring Service The appliance should be serviced by qualified service personnel when A The power supply cord or the plug has been damaged or B Objects have fallen or liquid has been spilled into the appliance or C The appliance has been exposed to rain or D The appliance does not appear to operate normally or exhibits a marked change in performanc
10. nts US 120VAC 60Hz EUR UK 230VAC 50 60Hz Power consumption US 40 Watts EUR UK 40 Watts mind when wiring your system is to route all line level cables away from the AC and other power sources this will reduce the probability of having AC hum emanating from your studio monitors Das Aca SHIELD GROUND SHIELD SHIELD Product Cleaning Instructions Prior to cleaning the PMO 4 monitor the power must be disconnected from the PM0 4 monitor Once the power has been terminated cleaning can be accomplished using a damp not wet cleaning rag A light common household cleaner can also be used but care must be taken not to use harsh cleaning fluids Regular dusting or cleaning with a damp rag will keep your product looking new for years ee Declaration of EC Directive This equipment is compatible with the EMC Directive 89 336 EEC Directive on approximation of member nation s ordinance concerning the electromagnetic compatibility and with the Low Voltage Directive 73 23 EEC Directive on approximation of member nation s ordinance concerning electric equipment designed to be used within the specified voltage range The Affect of Immunity on This Equipment The affect of the European Specification EN61000 6 1 coexistence of electromagnetic waves common immunity specification on this equipment are as shown below In the electrical fast transient ourst requirements surge conducted disturbances by radio frequ
11. stic performance in your studio The PMO 4 was designed to be used at amonitoring distance of 1 to 2 meters typically referred to as the near field Monitoring Height the acoustic center aimed at seated ear height It is recommended that the PM0 4 be located in such a way that the acoustic center is located at or about seated ear height see Figure 1 If this is not possible it may be necessary to tilt aim the monitor at the listeners ears Monitoring Angle 60 Degrees The monitoring angle between the left and right monitors and the listening position should equal 60 degrees The easiest way to determine this is to place the speakers in such a way that the distance between the left and right monitor is equal to the monitoring distance listening position see Figure 2 It is also recommended that both speakers be toed in towards the listening position Additional Information The PMO 4 was designed to be mounted vertically This provides for the most accurate frequency response reduces acoustic boundary interference and provides optimum cooling performance for the heat sink that is located on the back of the studio monitor If it is not possible to mount the monitors vertically then the monitors should be placed with the woofers inside and the monitors toed in towards the listening area Figure 2 Figure 1 Center of the tweeter Center of the woofer Mid point of the woofer and tweeter
12. tor Fostex PMO 4 Reference Manual O mons N Safety Instructions Introduction amp Unpacking Setup Instructions Setup Instructions continued Back Panel Overview Product Specifications Cable and Wiring Information Product Cleaning Instructions Declaration of EC Directive K S a g N 9 N g 8 Q Fostex CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE SAFETY INSTRUCTIONS Read Instructions All the safety and operating instructions should be read before the appliance is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the appliance and in the operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed 5 Water and Moisture The appliance should not be used near water for example near a bathtub washbowl kitchen sink laundry tub in a wet basement or near a swimming pool and the like 6 Carts and Stands The appliance should be used only with a cart or stand that is recommended by the manufacturer N AA my N An applianc
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