ZM75 / ZM125 User Manual (English) PDF
Contents
1. EFFECTS PROCESSOR Expanding The ZM system using LINK IN LINK OUT If the system installation requires more inputs and outputs you can use an external mixer or additional ZM series mixer amplifiers using the LINK IN and LINK OUT connectors Connect the LINK out of the first ZM mixer amp to the LINK in of the second Using The Graphic Equalizer The ZM75 and ZM125 feature an onboard seven band equalizer for adjusting the systems overall frequency response The Equalizer includes seven filters providing 12 dB of cut and boost at 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz and 8kHz You can use the equalizer to contour the system response for music or speech The Graphic EQ can also be useful for removing feedback If feedback occurs try lowering the mid range frequencies 1k and 2K 12 12dB 0 OdB 12dB 12 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz If you encounter difficulty with any aspect of setting up or using your ZM Series contact your local Samson dealer If purchased in the United States you can call Samson Technical Support 1 800 372 6766 between 9 AM and 5 PMEST ZM Series System Set Up The following is a typical constant voltage system setup for a small restaurant using the Z2. PAS OUVRIR INITED STATES BY SAMSON TECHNOLOGII 1 25V 70V and 100V output connector Ten 11 MIC INPUTS connectors Channels 3 and 4 contact Euroblock connector for connecting the 25V are microphone level inputs on standard XLR 70V and 100V constant voltage outputs connectors 2 LO Z output connector Two contact Euroblock 12 MIC LINE INPUTS connectors Input channels 5 connector for connecting the 4 Ohm speaker output and 6 feature 1 4 inch and RCA connectors for mic or line level input signals 3 AMP IN and PRE AMP OUT connectors These 1 4 inch phone jacks are used to connect an external 13 REMOTE MIC input connector Connect the effect processor paging microphone to this four contact Euroblock connector 4 MOH VOLUME control knob This control knob allows you to adjust the level of the Music on Hold 14 REMOTE MIC GAIN control knob This trim sound source control is used to set the input sensitivity for the remote microphone input 5 MOH selection switch The slide switch is used to chose the Music on Hold sound source from the 15 TELE PAGING connector This three contact output of the internal mixer or an external sound Euroblock connector is used to connect the ZM source like a CD or MP3 player series to a business telecom system so that pages can be made from any handset 6 CHIME VOLUME control knob The control
3. dass die Gefahr eines Stromschlags besteht Das Ausrufezeichen im gleichseitigen Dreieck soll den PRECAUCION Para reducir el riesgo de incendios o descargas no permita que este aparato quede expuesto a la Iluvia o la humedad Para reducir el riesgo de descarga el ctrica nunca quite la tapa ni el chasis Dentro del aparato no hay piezas susceptibles de ser reparadas por el usuario Dirija cualquier reparaci n al servicio t cnico oficial El s mbolo del rel mpago dentro del tri ngulo equil tero pretende advertir al usuario de la presencia de voltajes peligrosos no aislados dentro de la carcasa del producto que pueden ser de la magnitud suficiente como para constituir un riesgo de descarga el ctrica a las personas El s mbolo Anwender auf wichtige Bedienungs und Wartungsanleitungen aufmerksam machen die im mitgelieferten Informationsmaterial n her beschrieben werden Wichtige Sicherheitsvorkehrungen de exclamaci n dentro del tri ngulo equil tero quiere advertirle de la existencia de importantes instrucciones de manejo y mantenimiento reparaciones en los documentos que se adjuntan con este aparato 1 Lesen Sie alle Anleitungen bevor Sie das Ger t in Betrieb nehmen Instrucciones importantes de seguridad 2 Bewahren Sie diese Anleitungen f r den sp teren Gebrauch gut auf 1 Lea todo este manual de instrucciones antes de comenzar a usar la unidad 3 Bitte treffen Sie alle beschriebenen Sicherheitsvorkehrungen 2 Co
4. OHM Positive Constant Voltage Wiring Guide Negative COM TUN ER COM Positive Follow the guidelines below to select the appropriate size wire based on the distance from the amplifier to the speaker The wire sizes apply to the 4 ohm tap Distance Wire Size Up to 25 ft 16 AWG 26 40 ft 14 AWG 41 60 ft 12AWG 61 100 ft 10AWG 101ft 150 ft 8AWG 151 200 ft 6AWG NOTE Custom wiring should only be performed by licensed and insured qualified personnel Class 2 wiring is required CAUTION Never use shielded cable for output power wiring SHOCK HAZARD SYMBOL WARNING PAY ATTENTION TO THE WARNING SYMBOL AND AVOID ELECTRICAL SHOCK DO NOT HOLD OR TOUCH THE COMMON AND 70 OR 100 VOLT WIRE CONNECTION WHILE OPERATING THE AMPLIFIER Specifications Balanced Microphone Channels 50dBV 3dB full output at maxi Total Harmonic Distortion THD at 1kHz rated Less than 0 5 Amplifier power a Ge 80Hz 15kHz with less than 0 5 THD DC Output Offset Less than 3mV el Temperature Humidity at non con 34 104 F 0 40 C at 95 humidity 22V Output Voltage and 5 20 Impedance 410 830 Construction Dimensions Width Height Depth 16 5 W x 3 5 H x 13 Se D inches 420 W x 88 H x 343 D Net Weight 19 21 Ib 8 72 kg 21 5 Ib 9 76 kg Sp
5. adds to it durability and reliability Perfect for schools restaurants office buildings small factories or just about any place good quality distributed sound is needed the ZM75 and ZM125 offer excellent sound and great value In this manual you ll find a detailed description of the features of the ZM Series Amplifiers as well as a guided tour through the front and rear panels step by step instructions for using the unit suggested appli cations and full specifications You ll also find a warranty card enclosed please don t forget to fill it out and mail it so that you can receive online technical support and so we can send you updated information about other Samson products in the future Also be sure to check out our website www samsontech com for complete information about our full line of Samson audio products With proper care and adequate air circulation your ZM Series amplifer will operate trouble free for many years We recommend you record your serial number in the space provided below for future reference Serial number Date of purchase Should your unit ever require servicing a Return Authorization number RA must be obtained before ship ping your unit to Samson Without this number the unit will not be accepted Please call Samson at 1 800 3SAMSON 1 800 372 6766 for a Return Authorization number prior to shipping your unit Please retain the original packing materials and if possible return the unit in t
6. efficiently through the number of installed speakers and also adjust some speakers to different output levels The ZM Series amplifiers have built in transformers on each channel that step up the output voltage and reduce the current allowing you to connect to a series of speakers with step down transformers over long cable runs Constant voltage systems can use 14 to 18 gauge wire while smaller gauge larger diameter cable should be used for longer runs A simple way to think about using constant voltage is to divide the total watts available by the number of speakers you want to use You could also add up the speaker s step up transformer wattage to equal 100 watts or less For example if you want to use ten ceiling speakers on one channel of the ZM Series amplifier use a ceiling speaker with a 12 watt transformer tap 120 watts divided by 10 speakers equals 12 watts per speaker Typical ceiling speaker with onboard transformer and six power taps These power taps also control volume level for sound balancing Ceiling Speaker 12W 6 3 W W 5W 0 75 W m 1 Co 8 Ohm Designing an Installation Plan Another example is connecting four of the Samson dB300i with the transformers wired for 25 watts to each channel of the ZM Series amplifier Following the wiring diagram on the rear of the dB300i connect the ground to Common the Hot lead to 70 volt input and finally run a jumper from 8 ohms to the 25 watt connect
7. knob is used to adjust the level of the Chime tone 16 MOH OUTPUT connector This three contact Euroblock connector is used to attach an external 7 GAIN control knobs The trim knobs are used to sound source for the Music on Hold system set the input sensitivity for each input channel 17 LINK IN and LINK OUT connectors Use these 8 PRIORITY MIC switch When set to on this slide connectors to expand your system by adding a switch configures mic channels 1 and or 2 to mute second ZM series mixer amplifier the other input channels when a signal is present on the connected microphones 18 VOLTAGE SELECTION switch Used to select the operation voltage for either 115 or 230 Volts Be 9 PHANTOM POWER switch Used this slide switch sure to check the correct operating voltage for your to activate the phantom power on mic channels 1 particular country and or 2 19 AC INLET Connect the supplied IEC power cable 10 MIC LINE INPUTS connectors Channels 1 and here 2 employ combination connectors with XLR and 1 4 inch inputs which can accept either mic or line signals Designing an Installation Plan Designing an Installation Plan If you are a professional installer you ll probably want to skip over this section however if you are setting up your system for the first time this section can help make your installation a little bit easier Before you start plugging stripping and connecting wires it is a good idea t
8. separate audio environments using up to five ZM series s outputs each connected to an input channel on the ZM75 or ZM125 amplifier You can connect one or more speakers with a total load imped ance of 4 ohms or more to each output of the ZM Se ries amplifier Obviously or perhaps not so obviously we call an output a zone on the ZM series but a zone is also the area where you want to have sound So think about where you want to distribute the sound The ZM series can accomplish all of this easily In ad dition the ZM series let s you easily connect a remote microphone for paging Designing an Installation Plan Now take some time to consider where you need to have sound in your particular installation After you have decided where you need to create sound zones you can consider your speaker selection but first decide where you are going to locate your equipment rack Locating Your Equipment Rack Since the ZM Series amplifiers and ZM series are standard 19 inch rack mount devices you should consider using an equipment rack such as one of the Samson SRK series To select a good location for your equipment rack you should consider several points including the proximity to each of the sound zones if the users need to access the gear to change CD s or to adjust a volume level and if you have a convenient location to the electrical service to name a few You will need to consider the length of wire runs and routing necessary
9. the cable diagrams below for connecting to the input of your amplifier Male XLR to Female XLR balanced Hot 2 Common 1 Common Hot g QQ Les Hot Common 7 Cold 3 Cold Male XLR Male XLR to 1 4 inch Balanced Hot 2 Ground 1 End View Solder Points j Cold 3 Cold Male XLR Male XLR to1 4 inch Unbalanced Hot 2 Common 1 End View Cold 3 Male XLR Male XLR to RCA Unbalanced Hot 2 Common 1 End View Solder Points t Cold 3 Male XLR 12 Ground Hot D Cold Hot tip To og Common 1 Hot 2 Solder Points End View Female XLR Cold 3 Cold ring Tip Hot Hot tip Ring Cold D EE 1 Cold ring Ground Tip signal Ground Sleeve ground Signal Tip signal Cold Pin 3 no connection Sleeve ground Tip signal Cold Pin 3 no connection Sleeve ground Ground Sleeve ground Tip me t Sleeve ground ZM Series Output Wiring Guide ZM Series Output Wiring Guide There are several ways to interface the ZM Series amplifers depending on your exact system set up For most small to medium installations 14 to 16 gauge zip cord can be used Follow the cable diagrams below for connecting to the input of your amplifier 4 Ohm Wiring Guide Negative g i 4
10. M125 mixer amplifier feeding several audio zones with paging and music The first two ZM Series constant voltage outputs are connected to two ceiling speakers in each of the Dining Rooms with their transformers set to a 12 watt tap The third constant voltage output powers two speakers in the outside Bar area with their transformers set to 25 watt The db300i s are specially treated so they re suitable for indoor and outdoor use The fourth ZM Series amp channel powers small speakers in the lobby with a 12 watt tap 12 watt tap 12 watt tap Dining Room 1 12 watt tap 12 watt tap Dining Room 2 MUSIC ON HOLD 230v ZM125 125 WATT ZONE AMPLIFIER WARNING CAUTION DO NOT EXPOSE FOR CONTINUED THISEQUIPMENT PROTECTION AGAINST TO RAIN OR RISK OF FIRE REPLACE MOISTURE ONLY SAME TYPE FUSE AVS ATTENTION nsv RISQUEDECHOC UTILISER UN FUSIBLE ELECTRONIQUE NE DE RECHANGE MEME TYPE a PAS OUVRIR N382 en ED IN THE UNITED STATES BY SAMSON TECHNOLOGIES 12 watt tap 12 watt tap Hostess Paging Mic LOBBY WSs 277 Q 25 watt tap 25 watt tap BAR ZM Series Input Wiring Guide ZM Series Input Wiring Guide There are several ways to interface the ZM Series amplifers depending on your exact system set up Follow
11. ZM125 ZM75 HIH E O Owner s Manual SAMSON Jayl dwy SS 1ppy 2 4Nd 2UOZ S TO PREVENT FIRE OR SHOCK HAZARD DO NOT USE THIS PLUG WITH AN EXTENON CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PRESENT BLADE EXPOSURE TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE TO PRVENT ELECTRICAL SHOCK MATCH WIDE BLADE PLUG TO WIDE SLOT FULLY INSERT A This lightnig flash with arrow head symbol within an equi lateral 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 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Warning To reduce the risk of electric shock do not remove cover or back no user serviceable parts inside Refer serving to qualified service personnel 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 constitute a risk of electric shock to persons IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed a
12. a was borrowed from the cross country power grid where voltage is stepped up and therefore the current is reduced allowing huge amounts of power to run over long distances on relatively small lower cost cable Ultimately the voltage is stepped down and delivered to the customer over a short heavy gauge cable Using A Constant Voltage Speaker System continued The same principle is applied in constant voltage audio systems where a transformer is connected to the amplifier s output to step up the voltage while lowering the output current which allows you to use long runs of smaller gauge wire to connect to a series of speakers with step down transformers For further cost savings the 70 volt standard was adopted in the US since UL requires the use of conduit on lines over 100 volts peak In addition to 70 volt operation the ZM Series amplifiers can also operate 100 volt systems which is a standard in Europe Commercial sound systems like those installed in schools office buildings and restaurants commonly make use of constant voltage distributed sound systems when a large number of ceiling speakers are used to cover several different sound zones Today there are a large number of installation speakers available from various manufacturers that include onboard transformers for constant voltage systems Many of these models like the Samson dB300i include selectable power taps on the transformer allowing you to distribute the power
13. aging Phantom power is supplied on Mic channels 1 and 2 for connecting condenser microphones To insure long term reliability the ZM series feature advanced amplifier protection including current limiting over current and thermal protection ZM systems can be expanded with an external mixer or power amplifier using their LINK and Pre amp terminals The ZM series features advanced electric circuit design with high quality op amps providing low distortion and low noise Setting up the ZM series amplifiers is easy as the compact units can be configured for table top or for standard19 inch rack mount installation Ideal solution for commercial sound and industrial applications Expansion bay for adding optional Samson TCM 3 music source module Extended three year warranty ZM Series Layout Front Panel PROTECT CC SAMSON A ZM125 12 125 WATT ZONE AMPLIFIER a 125Hz 2 ag 2kHz AkHz EXPANSION BAY You can add background music or pre recorded announcements by installing the optional Samson TCM 3 CD and MP3 player with AM FM tuner module in this compartment GRAPHIC EQUALIZER Used to control the overall system frequency response with filters at 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz and 8kHz with12dB of cut or boost PROTECT LED indicator When illuminated the unit is in Protect mode and the o
14. bornes uno mas ancho que Pol oder der dritte Stift dient Ihrer Sicherheit Wenn der vorhandene Stecker nicht el otro Uno con toma de tierra tiene dos bornes normales y un tercero para in Ihre Steckdose passt lassen Sie die veraltete Steckdose von einem Elektriker la conexi n a tierra El borne ancho o el tercero se incluyen como medida de ersetzen seguridad Cuando el enchufe no encaje en su salida de corriente llame a 10 Sch tzen Sie das Netzkabel dahingehend dass niemand dar ber laufen und un electricista para que le cambie su salida anticuada es nicht geknickt werden kann Achten Sie hierbei besonders auf Netzstecker 10 Evite que el cable de corriente quede en una posici n en la que pueda ser Mehrfachsteckdosen und den Kabelanschluss am Ger t pisado o aplastado especialmente en los enchufes receptaculos y en el 11 Ziehen Sie den Netzstecker des Ger ts bei Gewittern oder langeren Betriebspausen punto en el que salen de la unidad aus der Steckdose 11 Desconecte de la corriente este aparato durante las tormentas el ctricas o 12 Uberlassen Sie die Wartung qualifiziertem Fachpersonal Eine Wartung ist not cuando no lo vaya a usar durante un periodo de tiempo largo wendig wenn das Gerat auf irgendeine Weise beispielsweise am Kabel oder Netzstecker besch digt wurde oder wenn Fl ssigkeiten oder Objekte in das Ger t gelangt sind es Regen oder Feuchtigkeit ausgesetzt war nicht mehr wie gewohnt betrieben werden kann oder fallen gelass
15. ecifications are subject to change without notice 14 Block Diagram Samson Technologies Corp 45 Gilpin Avenue Hauppauge New York 11788 8816 Phone 1 800 3 SAMSON 1 800 372 6766 Fax 631 784 2201 www samsontech com
16. en wurde 12 Dirija cualquier posible reparaci n solo al servicio t cnico oficial Deber hacer que su aparato sea reparado cuando est da ado de alguna forma como si el cable de corriente o el enchufe estan da ados o si se han derra mado liquidos o se ha introducido algun objeto dentro de la unidad si esta ha quedado expuesta a la Iluvia o la humedad si no funciona normalmente o si ha ca do al suelo Table of Contents eng ee e EE EE ee EEN ZM Series Layout Front Panel ses emission EELER ZM Series Layout Rear Ee geegent e Are A TERRES Designing an Installation Plan EE Operating The ZM Series Ee EE EE eg Operating The ZM Series a EECHER Operating RE 10 ZM Series System Set P TEE 11 ZM Series Input Wiring Guide ee ge ee Eech e dere dh Ate 12 ZM Series Output Wiring EE e Ee EE EEN ead noun tes 13 SEIN 14 Block KEE EE 15 Copyright 2007 Printed December 2007 v1 0 Samson Technologies Corp 45 Gilpin Avenue Hauppauge New York 11788 8816 Phone 1 800 3 SAMSON 1 800 372 6766 Fax 631 784 2201 www samsontech com Introduction Thank you for purchasing the ZM series mixer amplifier from Samson Technologies The ZM series mixers provide an ideal solution for small to medium size commercial sound system installations This manual cov ers two models the ZM75 and the ZM125 Both ZM series models feature a built in constant voltage power amplifier capable of running at 25 70 or 100 volts or at low impedance 4 ohm
17. ers using powered or un powered speakers or if you need to run a 70 volt distributed sound system The following sections provide a brief overview on how to connect active and passive speakers or a constant voltage system in a typical installation Using Passive Speakers If you are using passive un powered speakers you need to first decide where you will place your ZM series mixer amplifier If the speakers in a particular sound zone are less than 100 feet away connect the wires from the amplifier to your passive speakers directly 1 NOTE This type of wiring is known as home run wiring since you are making a direct connection from the amplifiers in the equipment rack to the speakers located in the sound zone room Be sure to check the impedance of the speakers you are using The ZM Series amplifiers can run at 4 ohms so connect one 4 ohm or two 8 ohm speakers on the ZM Series 4 Ohm output If the speakers in a particular sound zone are further than 100 feet you should consider placing the amplifier in the same room as the sound zone or use a constant voltage speaker system Using A Constant Voltage Speaker System If your installation requires multiple speakers and long cable runs you should consider running a 70 volt constant voltage system Constant voltage systems became the installation standard in the mid 1900 s offering a cost effective solution for installations using multiple speakers and long cable runs The ide
18. ers call in to the business and are put on hold they hear background music from an external source or from the internal source if the optional TCM 3 tuner CD player is installed You can make the call in experience more pleasant or take advantage of valuable time by playing a pre recorded commercial message using MOH MUSIC ON HOLD 1 You can set the volume of the MOH signal using the MOH Level control MUSIC ON HOLD UW e a x min max VOLUME Using the TELE Paging function You can connect the ZM75 and ZM 125 to a business telephone system using the TELE PAGING CONNECTOR allowing announcement paging from any telephone Usually the telephone system provides a dedicated output and has the ability to send a page using a certain extension number Check the manufacturer s operating manual of the telephone system for operation detail MUSIC ON HOLD vl e x Y TAN OD TELE PAGING H e Using External Effects AMP IN and PRE AMP OUT The ZM series provides a convenient patch point between the mixer and power amp allowing you to connect an external signal processor like dynamics like the Samson S com plus equalizer like the Samson D2500 digital equalizer or feedback management systems like the Samson D3500 Connect the PRE AMP OUT to the input of the signal processor Then connect the output of the signal processor to the AMP IN to complete the circuit
19. he original carton and packing materials If you purchased your Samson product outside the United States please contact your local distributor for warranty information and service ZM Series Features OOQOOOO O aaa Che The ZM75 and ZM125 powered zone mixers are perfect for small to medium size commercial sound system installations Here are some of their main features Connecting sound sources is easy thanks to the six mic line inputs on 1 4 inch XLR and RCA connectors which accommodate a wide range of audio devices input levels The ZM series provide plenty of available power with 75 watts ZM75 and 125 watts for the ZM125 A built in seven band graphic equalizer is included to adjust the sound system s overall tonal response The ZM75 and ZM125 have an intelligent three layer priority muting system ensuring important announcements are heard throughout the entire installation The ZM series feature a remote microphone connection on a convenient Euroblock terminal to control the mute For paging the ZM series feature a built in announcement Chime with four selectable tones M O H Music On Hold input and output allows you to connect a music source or pre recorded announcement to your telephone system A convenient telephone paging input on a Euroblock terminal allows you to interface your PBX system for handset p
20. ing the Euroblock output connectors on the rear panel It is never a good idea to power up any amplifier that is not connected to loudspeakers When operating using the 4 ohm output any loudspeakers with a minimum impedance load of 4 ohms that is 4 ohms or greater can be used OUTPUT Constant Voltage 100V 70V 25V For 70 volt operation connect the positive input of the speaker to the 70 Volt terminals and connect the negative input the COM ground terminal OUTPUT Constant Voltage 100V 70V 25V Matching transformer The constant voltage output is set for either 70 or 100 Volts depending on the country however if can be changed by re configuring the internal transformer wires Locate the T10 T11 T12 and T13 terminals as per the diagram below Now follow the wiring chart below to select the required operating voltage for constant voltage output T10 T11 T12 T13 100V RED wire BLUE wire GREEN wire BLACK wire 70V GREEN wire RED wire BLUE wire BLACK wire 25V BLUE wire GREEN wire RED wire BLACK wire Connecting the Input Sources Next make the signal input connections using the Euroblock input connectors on the rear panel If your mixer has balanced outputs we recommend the use of three conductor cabling and connectors unbalanced two conductor connections can also be used but you ll get better signal quality and less outside noise and hum if you use balanced line
21. int at which they exit from the unit tension torsion etc Veillez a ce que le cordon secteur soit libre en particu 11 Unplug this unit during lightning storms or when unused for long periods of time lier sa sortie du bo tier 12 Refer all servicing to qualified personnel Servicing is required when the unit has 11 D connectez l appareil du secteur en pr sence d orage ou lors de p riodes been damaged in any way such as power supply cord or plug damage or if liquid has been spilled or objects have fallen into the unit the unit has been exposed to rain or moisture does not operate normally or has been dropped d inutilisation prolong es 12 Consultez un service de r paration qualifi pour tout dysfonctionnement dommage sur le cordon secteur baisse de performances exposition a la pluie projection liquide dans l appareil introduction d un objet dans le boi tier etc ACHTUNG Um die Gefahr eines Brandes oder Stromschlags zu verringern sollten Sie dieses Ger t weder Regen noch Feuchtigkeit aussetzen Um die Gefahr eines Stromschlags zu verringern sollten Sie weder Deckel noch R ckwand des Ger ts ent fernen Im Innern befinden sich keine Teile die vom Anwender gewartet werden k n nen berlassen Sie die Wartung qualifiziertem Fachpersonal Der Blitz mit Pfeilspitze im gleichseitigen Dreieck soll den Anwender vor nichtisolierter gef hrlicher Spannung im Ger teinnern warnen Diese Spannung kann so hoch sein
22. ion as shown in the diagram below Set up each of the dB300i they same way so that the four connected speakers equal 100 watts O O INPUT 8 OHMS DIRECT OR TRANSFORMER COUPLED WITH LEVEL ADJUSTMENT INPUT SPEAKER EXTENSION 100v 70v GND 80 100w 50W 25W 12W 6W The dB300i s rear panel is configured for 70 volt 25 watt operation Now connect the four speakers to each of the ZM125 s output as shown in the diagram below Operating The ZM Series Setting up the ZM series Setting up your ZM Series is a simple procedure which takes only a few minutes Remove all packing materials save them in case of need for future service and decide where the amplifier is to be physically placed it can be used table top or mounted in a standard 19 rack like the SRK equipment racks from Samson requiring only two rack spaces Install the rack ears by aligning them to the side of the unit flush to the front and install the supplied screws Be careful not to cross thread the screws Then remove the feet to allow the unit to fit the 2 rack spaces When installed make sure that both the front and rear panels are unobstructed and that there is good ventilation around the entire unit we recommend the use of spacer panels especially if multiple amplifiers are used in a rack Connecting the Speakers to the ZM Amplifier Make the speaker connections us
23. ith a damp cloth 6 Nettoyez l appareil uniquement avec un tissu humide 7 Do not block any of the ventilation openings Install in accordance with the manu 7 Veillez ne pas obstruer les fentes pr vues pour la ventilation de l appareil facturers instructions Installez l appareil selon les instructions du fabricant 8 Donotinstall near any heat sources such as radiators heat registers stoves or 8 Ne pas installer pr s d une source de chaleur radiateurs etc ou de tout qui other apparatus including amplifiers that produce heat pement susceptible de g n rer de la chaleur amplificateurs de puissance par 9 Do not defeat the safety purpose of the polarized or grounding type plug A polar exemple ized plug has two blades with one wider than the other A grounding type plug has 9 Ne pas retirer la terre du cordon secteur ou de la prise murale Les fiches two blades and a third grounding prong The wide blade or third prong is provided canadiennes avec polarisation avec une lame plus large ne doivent pas tre for your safety When the provided plug does not fit your outlet consult an electri modifi es Si votre prise murale ne correspond pas au mod le fourni con cian for replacement of the obsolete outlet sultez votre lectricien 10 Protect the power cord from being walked on and pinched particularly at plugs 10 Prot gez le cordon secteur contre tous les dommages possibles pincement convenience receptacles and at the po
24. ll warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventiation openings Install in accordance with the manufacture s instructions Do not install near any heat sources such as radiators heat registers stoves or other appartus including amplifiers thar produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protest the power cord from being walked on or pinched particulary at the plugs convenience recep tacles and at the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufac turer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over D N D Ole ONS 53125A 13 Unplug the apparatus during lightening sort or when unused for long periods of time Refer all servicing to qualified personnel Serving is required when the apparatus has been damaged in any way such as power supply cord or plug i
25. nserve estas instrucciones para cualquier consulta en el futuro 4 Befolgen Sie die Anleitungen des Herstellers 3 Cumpla con todo lo indicado en las precauciones de seguridad 5 Benutzen Sie das Ger t nicht in der Nahe von Wasser oder Feuchtigkeit 4 Observe y siga todas las instrucciones del fabricante 6 Verwenden Sie zur Reinigung des Ger ts nur ein feuchtes Tuch 5 unca utilice este aparato cerca del agua o en lugares h medos 7 Blockieren Sie keine Bel ftungs ffnungen Nehmen Sie den Einbau des Ger ts nur 6 Limpie este aparato solo con un trapo suave y ligeramente humedecido entsprechend den Anweisungen des Herstellers vor 7 No bloquee ninguna de las aberturas de ventilaci n Instale este aparato de 8 Bauen Sie das Ger t nicht in der Nahe von W rmequellen wie Heizk rpern acuerdo a las instrucciones del fabricante Warmeklappen Ofen oder anderen Ger ten inklusive Verst rkern ein die Hitze 8 No instale este aparato cerca de fuentes de calor como radiadores calenta erzeugen dores hornos u otros aparatos incluyendo amplificadores que produzcan 9 Setzen Sie die Sicherheitsfunktion des polarisierten oder geerdeten Steckers nicht calor au er Kraft Ein polarisierter Stecker hat zwei flache unterschiedlich breite Pole Ein 9 No anule el sistema de seguridad del enchufe de tipo polarizado o con geerdeter Stecker hat zwei flache Pole und einen dritten Erdungsstift Der breitere toma de tierra Un enchufe polarizado tiene dos
26. o have a clear installation plan To create your installation plan you need to consider several design parameters including what sound A sources will be used if announcement paging in nec awe ep DIE Tip essary which rooms need to have sound if a remote paging mic is required which type of speakers will do the best job for the room they are covering and your wiring plan 12 watt tap 12 watt tap Dining Room 2 Selecting the Sound Sources If you are using multiple sound sources you ll need some type of mixer and for fixed installations a zone mixer like the Samson ZM series is ideal The ZM series provides six input channels with the ability to con nect up to six input sources On input Channel s 1 and 2 there is an input for connecting microphones with phantom power to operate condenser type mics The ZM series also has a special priority feature so when you speak on the microphone the music is automati cally muted You can connect line level signals on four input channels so signals from TAPE CD DVD or Ka Er raoke players Audio Video TV monitors Radio Tuners LOGE DJ mixers or any other line level device can be used as a sound source You may also be able to connect the output from a Home Hi fi receiver if it s equipped with a line level output Creating the Audio Zones You can create
27. operation The ZM75 pro vides 75 watts while the ZM125 provides 125 watts of clean power Six input channels with individual level controls are provided so connecting sound sources is simple thanks to the available XLR 1 4 inch and RCA connectors In addition both models feature five selectable speaker Zone outputs The ZM75 and ZM125 are ideal for distributing music and announcements throughout different rooms in an installation and the dedicated paging microphone input allows you to setup a distant paging station for a hostess in the res taurant for example There s even an onboard Chime with four selectable tones to alert the listeners of an upcoming page For businesses that want to improve their customers telephone experience a MOH Music on Hold facility is also included When interfaced with a business telecom system music or valuable pre recorded announcements are heard while customers are on Hold To control the overall tonal response of the sound system the ZM series employ a seven band graphic equalizer A Master level control and five seg ment level meters allow you to set a clean signal at the correct volume For added flexibility you can add the optional Samson TCM 3 sound module with FM tuner and CD player that can play MP3 recordings The ZM75 and ZM125 can be table top or mounted in a standard 19 inch equipment rack using the included rack mount ears The sleek black finish matches just about any d cor plus the steel chassis
28. s On the front panel of the ZM Series turn all the Channel input controls fully counterclockwise to their MIN setting Then connect the supplied heavy gauge 3 pin IEC cable to the rear panel IEC connector and to any grounded AC socket Press the front panel Power switch in order to turn on the ZM Series The Power LED will light and the Protection LED will go on After approximately five seconds the Protection LED will go off you ll hear a click when this occurs mmo Paging Mic CD Player Video Microphones Apply an input signal to the ZM Series at or about 4dBu Now set the channel level to about half way up While the input signal is present slowly raise the Master level control until the desired sound level is achieved The SIGNAL and PEAK LED indicators will show you the MASTER continuous power output of the ZM Series as signal is being passed For the best signal to noise ratio the ZM Series should normally be run with the Master level control at or near maximum fully clockwise at the MAX position and the PEAK segments should light occasionally but not frequently during peak levels If the signal is too loud use the Input level controls attenuate the signals as necessary to achieve the desired speaker level Operating The ZM Series Pre Announcement Chime The ZM
29. s damaged liquid has been spilled or objects have fallen into the apparatus has been exposed to rain or moisture does not operate normally or has been 14 dropped This appliance shall not be exposed to dripping or splashing water and that no object filled with liquid 15 such as vases shall be placed on the apparatus 16 Caution to prevent elecrical shock match wide blade plug wide slot fully insert 17 Please keep a good ventilation environment around the entire unit Safety Instructions Consignes de s curit Sicherheitsvorkehrungen Instrucciones de seguridad FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE FUSE WARNING DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE AVIS RISQUE DE CHOC ELECTRONIQUE NE PAS OUVRIR ATTENTION UTILISER UN FUSIBLE DE RECHANGE DE M ME TYPE RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING To reduce the risk of fire or electric shock do not expose this unit to rain or moisture To reduce the hazard of electrical shock do not remove cover or back No user serviceable parts inside Please refer all servicing to qualified personnel The lightning flash with an arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the products 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
30. series mixer offers a useful Chime function to alert listeners of an upcoming page Simply press the front panel Chime switch to play the chime In addition the ZM series mixer can be set for one of four selectable Chime tones by moving the internal shorting jumpers as show in the figure below e e e e e o D e o e D e e e e e e e e e ee ee e e e e e e e 0 0 ee bd e e e e o e bd D e e e ee Priority Control Channel 1 and 2 can be set for Priority operation When microphone channel 1 and 2 s Priority switch is set to the ON position the other input channels will mute whenever signal is present on the microphones connected to Channel 1 and 2 PRIORITY Priority Mic Muting In addition to the priority muting on microphones connected to Channels 1 and 2 there are three levels of priority muting which is always active The priority muting is set in three groups in the following order Chime and Tele page Remote Mic Channels 1 through 6 This means if there is a Tele page or the Chime switch is pressed the Remote Mic and input Channels 1 through 6 are muted If there is a signal on the Remote Mic Channel 1 through 6 will be muted The signals in the same priority group will stay on together Operating The ZM Series Using Music On Hold The ZM series include a MOH Music On Hold function allowing you to connect the ZM series to a business telephone system With MOH when custom
31. the ATTENTION Pour viter tout risque d lectrocution ou d incendie ne pas exposer cet appareil la pluie ou l humidit Pour viter tout risque d lectrocution ne pas ter le couvercle ou le dos du bo tier Cet appareil ne contient aucune pi ce rempla able par l utilisateur Confiez toutes les r parations un personnel quali fi Le signe avec un clair dans un triangle pr vient l utilisateur de la pr sence d une tension dangereuse et non isol e dans l appareil Cette tension constitue un risque d lectrocution Le signe avec un point d exclamation dans un triangle user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product Important Safety Instructions pr vient l utilisateur d instructions importantes relatives l utilisation et la maintenance du produit Consignes de s curit importantes 1 Please read all instructions before operating the unit 1 Veuillez lire toutes les instructions avant d utiliser l appareil 2 Keep these instructions for future reference 2 Conserver ces instructions pour toute lecture ult rieure 3 Please heed all safety warnings 3 Lisez avec attention toutes les consignes de s curit 4 Follow manufacturers instructions 4 Suivez les instructions du fabricant 5 Do not use this unit near water or moisture 5 Ne pas utiliser cet appareil pr s d une source liquide ou dans un lieu humide 6 Clean only w
32. to make the connections from the equipment rack to the various sound zones Depending on the speakers you choose and the length of cable runs you need to make you may choose to run speaker level or line level to the sound zones If you are using passive non powered speakers you will need to connect the output channels of the ZM series to an input channel of the ZM Series amplifier and run speaker wire However you need to be careful to pay attention to the wire gauge and total length of the wire run If you are using powered active speakers you can run long distances using the balanced outputs directly from the ZM series Since the ZM series s output connections are terminated using Euroblock connectors the wiring can easily be run in advance of the equipment installation Another type of installation is one that uses speakers and amplifiers like the ZM Series with 70 volt transformers which are commonly referred to as Constant Voltage systems The benefit of a constant voltage system is you can run long lengths of wire and have many speakers connected to a single amplifier You can also balance the level of each speaker by using one of the available transformer settings The ZM series mixer amplifiers are ideal for this thanks to their built in 25 70 100 volt output transformers Selecting Speakers for Each Zone To select the speakers you need to consider a few important issues like where you are going to place your power amplifi
33. utputs will be muted OUTPUT LEVEL LED indicators This five segment LED bar meter display the system output level POWER LED indicator When illuminated the unit is powered up and ready for operation LEVEL control knob The six control knobs are used to set the individual level of the input sources MASTER control knob This control knob adjusts the overall system volume O Q D 8 CHIME switch When pressed the ZM series will play a selectable Chime to used as a pre announcement for paging 9 ALL switch Used to simultaneously assign the input sources to each of the speaker zone outputs 10 ZONE 1 5 output switches Used to assign the input sources to the individual speaker zone outputs 11 POWER switch Use this to power the ZM75 and ZM125 on or off The POWER LED lights whenever the ZM series is powered on ZM Series Layout Rear Panel Sorten Voltage 100V 70V 25V com NEN ON Heel SS e FUSE T2AL 250V 5 A M S O N NEN RISK De ELECTRICS socky AA 230v ZM125 125 WATT ZONE AMPLIFIER a Se POSE AUTON NOT THIS EQUIPMENT PROTECTION AGAINST TORAIN OR RISK OF FIRE REPLACE MOISTURE ONLY SAME TYPE FUSE Kys ATTENTION iffv RISQUE DE CHOC UTILISER UN FUSIBLE ELECTRONIQUE NE DERECHANGE MEME RED
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