Laney Amplification 650W FET Car Amplifier User Manual
Contents
1. NM 40Hz 80Hz 160Hz 33 Hz 750Hz 3KHz FET BAIN ON m SHADE OF JAZZ Page6 20 La n Cy OPERATING INSTRUCTIONS NEXUS NXF FRONT amp REAR PANEL CONTROLS DO 4 o 0 We BASS ME a LO HI min TREE GRAPHIC PRESENCE 5 7 STANDBY POWER ew a ay 9 4 4 E LIP ya 2 8 m 7 K i 40Hz 8DHz 180Hz 330Hz 750Hz KHz INPUT FET GAIN ON TUBE GAIN TUBE LEVEL ON COMPRESSOR ON waa G GD 209 EDE 27 MAXIMUM POWER CONSUMPTION PREAMP OUT GND TUNER DUT A RISK OF ELECTRIC SHOCK DD MOT OPEN ECT lt lt 17904 115v 230v P Z DESIGNED BUILT IN THE UK BY LANEY GND LIFT WAVING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS 2 J APPLIANCE TO RAIN OR FOR CONTINUED PROTECTION AGAINST d MODEL RISK OF FIRE REPLACE OY Ws E TYPE t 0 REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE 5 PARTS Qn J lt SERIAL NUMBER JE E O INSIDE _ TO THIS EQUIPMENT T NENNEN MUST B D CAUTION TO USERS WAR MANUAL FOR RFCOMMENDED SPEAKER CLASS 2 WIRING gt CONNECTIONS L MINIMUM IMPEDANCE 40HMS 1 POWER IN BYPASS RETURN RU Power inlet connector f i This is provided to connect to the main power supply using the lead provided Ensure that the supply voltage is2. the right hand the high mid band Each pair consist of a frequency selection control and a boost and cut level control with both bands this allows two mid frequencies to be controlled independently This allows very accurate mid band control Using the parametric switch or remote footswitch both controls may be switched on and off 6 Parametric Mid switch This switch turns on the two band parametric midrange controls Can also be controlled remotely via the footswitch The switch is illuminated when operated Graphic Sliders The six sliders control individual frequency bands to allow you to adjust your sound This can be useful for solo s etc or as an overall eq adjust Start with all the controls in the centre zero detented position and add small amounts of boost and cut to obtain your desired sound The slider LED s stay illuminated even when the graphic is inactive 9 Graphic Eq switch This switch turns the Graphic sliders illuminated when pressed It is also controllable remotely via the footswitch Presence Control Boosts the mid to high frequencies going to the power amplifier to add brightness and edge to your sound When set to zero the control has no effect When setting up initially start at the zero position and add presence as required to obtain your desired sound 10 Volume Control Adjusts the sound level sent to the power amplifier and speakers Start with this set to zero and turn up slowly after you have correctly se
3. 2 O Laney D Z 650W FET BASS GUITAR AMPLIFIER a at LL O LANEY AMPLIFICATION www laney co uk IMPORTANT SAFETY INSTRUCTIONS WARNING When using electric products basic cautions should always be followed including the following Read all safety and operating instructions before using this product 2 The product should be powered by a three pin grounded or earthed plug connected to a power socket with a grounded earth outlet 3 All safety and operating instructions should be retained for future reference 4 Obey all cautions in the Operating instructions and on the back of the unit 5 All operating instructions should be followed 6 This product should not be used near water i e a bathtub sink swimming pool wet basement etc 7 This product should be located so that its position does not interfere with its proper ventilation It should not be placed flat against a wall or placed in a built up enclosure that will impede the flow of cooling air 8 This product should not be placed near a source of heat such as stove radiator or another heat producing amplifier 9 Connect only to a power supply of the type marker on the unit adjacent to the power supply cord 10 Never break off the ground pin on a power supply cord Power supply cords should always be handled carefully Never walk or place equipment on power supply cords Periodically check cords for cuts or signs of stress especially at
4. The Pre Amp tubes can now be removed by unclipping the retaining clips and gently pulling them from their sockets Take care when fitting the replacment tubes and ensure that the PO w pins are all aligned properly Refit the retaining clips The chassis is refitted by reversing the removal instructions Sees KEY NXT Chassis Assembly M5 x 35 Csk Rsd Posi Pointed tip Pt No 10260 No8 x 30 Csk Posi Screw Pt No 007194 M6 x 30 Button Head Socket Screw Pt No 007287 Bar Handle Steel Plastic 90 top Pt No 007262 M6 Finishing Bush Pt No 007286 15mm Posi Pan Screw Pt No 007197 NXT Rear Grill Pt No 007285 SAPS parcs Page 18 20 Laney FRONT amp REAR PANEL SPARE PARTS Available from Laney via your Dealer 004075 Pot 004099 Pot 004099 Pot 005127 Bkt Thermal Release 005321 230V 005324 6A 100 115V PUSH TO RESET i SEI FET GAIN ON LO MID ii cun 0 TUBE LEVE 1 TUBE GAl ON 007376 Speakon Connector 2 off AOE E TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT SE THIS E TO RAIN OR MOISTURE NT pr PROTECTION MANT RISK OF REPLACE ONLY WITH TYPE AND RATED FUSE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVERS NO USER INSIDE REFER E TO MERI PERSONNEL ONLY MUST BE EARTHED CAUTION REFER TO USERS MANUAL CONNEC oe MAXIMUM POWER CONSUMPTION 800 WATTS 50 60
5. there may be when connecting to a mixing desk PA Try it set in both positions to find the best performance 29 Tuner Out Jack This socket is normally used for connecting a tuner to allow continuous tuning of your guitar When the amplifier is muted Signal is still present at this socket The output level is similar to your guitar 30 Effects Send Return Jacks amp Bypass switch These sockets are used for connecting external effects processors to your amplifier The insertion point is after the onboard preamplifiers and EQ but prior to the Volume control Use the send jack to connect to the input of your processor and the return for the output The loop is an insert type so all of your signal is routed via the external processor So any blending between direct and processed signals must be performed in the processor When not using the Loop it is advisable to operate the Effect bypass switch to avoid any reliability problems sometimes associated with jack connectors even though gold jack sockets are used here for increased reliability The signal level is nominally 10dBu or 250mV Footswitch connector This D type connector is used to connect the included dedicated FS7 footswitch to the amplifier Never use it for any other purpose as damage may result Fan The cooling fan is automatically controlled by how hard the amplifier is having to work So during quiet playing the fan will be almost silent and during loud passages the speed wil
6. B 1 3 25 LL 9 0 10 0 10 TUBE GAIN TUBE LEVEL ON m k hd COMPRESSOR ON COMPRESSOR ON HI 0 14 2 42 2 lt os gt ge 3 ge Ld V EE 4i B g 5 LeveL b E 18 9 ETT COMPRESSOR ON GRAPHIC 15 40Hz 80Hz 160Hz 330Hz 750Hz 3KHz 7 GRAPHIC V GGRAPHIC 40Hz amp Hr 160Hz 330Hz 75DHz OPERATING INSTRUCTIONS PRESENCE STANDBY POWER PRESENCE 4 VOLUME STANDBY POWER PRESENCE VOLUME STANDBY POWER 2 TIE qm sw FET Page 17 20 La n Cy OPERATING INSTRUCTIONS To change a preamp tube Switch off the unit and unplug from the mains supply Wait for the tubes to cool down The chassis needs to be removed from its wooden sleeve to allow changing of the preamp tubes with reference to the diagram this is easily achieved by 1 Removing the two side handles 5 by unscrewing the six No 8x1 3 amp four M5x30mm 2 on each handle Remove the metal bar away from the handle and then gently pull the plastic body out of its recess 2 Remove the rear grill 8 by unscrewing the four 15mm screws 7 securing it in place 3 Remove the four M6x30mm bolts 6 and finishing washers 4 from the front of the unit 4 Finally remove the six M5x30mm screws 2 from the base of the cabinet You should now be able to slide the amplifier forward freely Be careful as the unit is very heavy 5
7. the plug and the point where the chord exits the unit 12 The power supply cord should be unplugged when the unit is to be unused for long periods of time 13 If this product is to be mounted an equipment rack rear support should be provided 4 The user should allow easy access to any mains plug mains coupler and mains switch used in conjunction with this unit thus making it readily operable 15 Metal parts can be cleaned with a damp cloth The vinyl covering used on some units can be cleaned with a damp cloth or ammonia based household cleaner if necessary Disconnect the unit from the power supply before cleaning 16 Care should be taken so that objects do not fall and liquids are not spilled into the unit through any ventilation holes or openings On no account place drinks on the unit 17 A qualified service technician should check the unit if The power cord has been damaged Anything has fallen or spilled into the unit The unit does not appear to operate correctly The unit has been dropped or the enclosure damaged 18 The user should not attempt to service the equipment All service work is done by a qualified service technician 19 Exposure to extremely high noise levels may cause a permanent hearing gloss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time The U S Government s Occupational Safet
8. bass to the tuner out on the rear panel only This allows silent tuning and muting between bass guitar changes etc This function can also be operated by deselecting both channels remotely on the footswitch Compressor control This adjusts the amount of compression applied to your sound The compressor switch must be illuminated for this control to function It is important for correct operation that the input level meter is operating around the amber light before the compressor is switched in If it is to high then more compression will occur if too low then less compression will result Also the levels when the compressor is switched on and off may vary considerably Set at zero there is very little effect on your sound As the control is increased more soft knee compression is added The control should be used to give more sustain and transient attack to your sound At lower settings it is useful for balancing out the sound levels across the strings on your guitar Thereby avoiding sudden volume increases It is also effective for maintaining a constant high level sound which is particularly useful in live stage situations where you need to keep your sound up with the rest of the band It may be turned off remotely via the footswitch Compressor switch This switch turns the compressor on and off Illuminates when active It may also be operated by the remote footswitch Sub Switch This switch when pressed bypasses a subsonic filter that is used to
9. de la caja del producto que puede tener una magnitud suficiente como para constituir riesgo de corrientazo Dieses Symbol soll den Anwender vor unsolierten gefahrlichen Spannungen innerhalb des Gehauses warnen die von Ausrichender Starke sind um einen elektrischen Schlag verursachen zu konnen Intended to alert the user of the presence of important operating and maintenance Servicing instructions in the literature accompanying the product Dieses Symbol soll den Anwender vor unsolierten gefahrlichen Spannungen innerhalb des Gehauses warnen die von Ausrichender Starke sind um einen elektrischen Schlag verursachen zu konnen Este simbolo tiene el proposito de la alertar al usario de la presencis de instrucccones importantes sobre la operacion y mantenimiento en la literatura que viene conel producto Dieses Symbol soll den Benutzer auf wichtige Instruktionen in der Bedienungsanleitung aufmerksam machen die Handhabung und Wartung des Produkts betreffen Risk of electrical shock DO NOT OPEN To reduce the risk of electrical shock do not remove the cover No user serviceable parts inside Refer servicing to qualified personnel Risques de choc electrique NE PAS OUVIRIR Afin de reduire le risque de choc electrique ne pas enlever le couvercle II ne se trouve a l interieur aucune piece pouvant etre reparee par l utilisateur Confier l entretien a un personnel qualifie Riesgo de corrientazo no abra Para disminuir el risego
10. settings memorised at switch off Page 11 20 La n EV OPERATING INSTRUCTIONS NXF Speaker cabinets can be connected to both sockets at the same time providing that the total impedance is a MINIMUM of 4 Ohms Speaker Cabinets The Laney Nexus range of cabinets has been specially designed for use with this amplifier NX810 4Ohm NX410 8Ohm NX115 8Ohm Their power ratings and impedances have been carefully matched for optimum performance Use of other cabinets may result in an inferior sound see connection diagrams for wiring up Not recommended with this Amplifier Page 12 20 La n Cy OPERATING INSTRUCTIONS Speaker Connectors There are two parallel connected combination sockets provided The minimum total impedance load is 4 Ohms see speaker connection details It is very important to observe correct speaker matching and connection to avoid damage to your amplifier When using Speakon connectors they should be wired 1 to the positive speaker terminal and 1 to the negative terminal 2 and 2 are unused and not connected within the amplifier Make sure the impedance of your cabinets matches the setting on your amplifier Improper impedance matching will result in reduced power output and compromised sound at best and amplifier failure premature tube failure at worst FX Controlle Output Laney recommend the use good quality loudspeaker leads iis fit
11. suitable for your amplifier as marked the rear panel Ensure that the amplifier is connected to a grounded earthed supply socket Do not remove power supply earth connections under any circumstances Page 7 20 La n Cy OPERATING INSTRUCTIONS NEXUS FRONT REAR PANEL FEATURES Input level meter This 4 band display shows the level of signal going through the preamplifier The ideal level is when the amber light is illuminated for most of your playing Adjust the FET gain or Tube Level controls depending on which channel you are using to set the display correctly This may need adjusting if any EQ controls are changed Regularly check your levels and adjust as required Bass Control This control boosts clockwise or cuts anticlockwise the overall low frequency sounds from your bass guitar The control has a zero centre detent position where the sound is unchanged When setting up initially start in the centre position and add small amounts of boost or cut to obtain your desired sound Treble Control This control boosts clockwise or cuts anticlockwise the overall high frequency sounds from your bass guitar It has a zero centre detent position where the sound is unchanged When setting up initially start in the centre position and add small amounts of boost or cut to obtain your desired sound 2 5 Parametric Mid controls These controls consist of two pairs the left hand one controlling the low mid frequencies
12. that the wiring convention applicable to the country where the amplifier is to be used is strictly conformed to As an example in the United Kingdom the cable colour code for connections are as follows EARTH or GROUND GREEN YELLOW NEUTRAL BLUE LIVE BROWN NOTE This manual has been written for easy access of information The front and rear panels are graphically illustrated with each control and feature numbered For a description of the function of each control feature simply check the number with the explanations adjacent to each panel Your Laney amplifier has undergone a thorough two stage pre delivery inspection involving actual play testing When you first receive your Laney guitar amplifier follow these simple procedures i Ensure that the amplifier is the correct voltage for the country it is to be used in ii Connect your instrument with a high quality shielded instrument cable You have probably spent considerable money on your amplifier and guitar don t use poor quality cable it won t do your gear justice Please retain your original carton and packaging so in the unlikely event that some time in the future your amplifier should require servicing you will be able to return it to your dealer securely packed Care of your Laney amplifier will prolong it s life and yours Page 3 20 La n Cy OPERATING INSTRUCTIONS Dear Player Thank you very much for purchasing your new Laney product and becomin
13. the preamplifier This level may need adjusting when the EQ controls are adjusted Regularly check your levels and adjust as required 1G FET Gain switch This switch enables the FET gain channel When operated the switch is illuminated It may also be operated by the remote footswitch Tube Gain control This control controls the amount of drive applied to the preamp tube stage The higher the setting the more overdrive distortion will be produced When set at zero the tube stage operates in it s cleanest low distortion mode with just a small amount of tube warmth added to the sound Set to around 3 4 tube distortion becomes more distinct with a warmer thicker sound that responds to playing level and picking action Set to 7 10 gives extreme overdriven and sustained sounds 13 Tube Level control This control adjusts the volume level from the tube stage Set it in conjunction with the input level meter Generally the higher the Gain control is the lower the Level control will need to be to maintain the correct level on the meter 19 Tube channel switch This switch enables the tube drive channel When operated the switch is illuminated It may also be operated by the m remote footswitch Tuner Mute function You can mute your sound sent to the DI and speakers by deselecting both the FET channel and the Tube channel In this condition the red led only will be permanently illuminated on the level meter Your signal will be routed directly from your
14. HZ ABLE PARTE THIS EQUIPMENT MENDED LOUDSPEAKERS mes 4 OPERATING INSTRUCTIONS 004099 Pot 004075 Pot 004099 Pot 007329 Slider PCB Complete 40RN80Hz 160H2 330Hz 750Hz 3KHz COMPRESSOR ON SUB 007382 Non Latching Push Sw 3 off 004071 Pot 007382 Non Latching Push Sw 004062 Pot 004062 Pot 007382 Non Latching Push Sw 004061 Pot 007381 Latching Push Sw 005097 Phone Jack GD PRE ED SEND A FX LOOP PREAMP OUT GND LIFT _ POST EQ I 100 L CLASS 2 WRIN MINIMUM IMPEDANCE TONS POWER AMP IN BYPASS RETURN 004099 Pot 005127 Bkt 007303 Vol PCB Complete 530027 007305 STANDBY POWER 004071 Pot 005127 Bkt 007381 Latching Push Sw 007375 Male XLR Connector 007373 Vertical Slide Switch 4 off 007374 6 3 Vertical Phone Jack 5 off TUNER OUT CAUTION RISK OF ELECTRIC SHOCK 00 NOT OPEN DESIGNED AND BUILT IN THE UK BY LANEY MODEL j SERIAL NUMBER Filtered Mains Inlet 005319 3A 230V 005323 6A 100 115V 007309 14mm Dia Round Knob 12 off 007310 28mm Dia Round Knob 1 off 007326 Tube Preamp PCB Complete 007328 Input Preamp PCB Complete 007315 NXT Footswitch PCB Page 19 20 Laney POWER TO THE MUSIC LANEY AMPLIFICATION www laney co uk In the interest of continued product development Laney reserves the right to amend product specification without prior notification
15. KHz 100 IK FREQ Level a U 10 INPUT PAD FET GAIN ON TUBE GAIN TUBE LEVEL COMPRESSOR ON BASS DE L0 MID GRAPHIC INPUT PAD FET GAIN ON TUBE GAIN TUBE LEVEL COMPRESSOR ON BASS heres MID HI Ir E GRAPHIC 1 9 9 1 79 PEAK E 2e 2 2 060 60 0 4 4 5 FREQ Lever u LeveL 4 8 a 4 8 e LJ LE 3 i 3 K F 2 T 2 5 2 T T LJ LJ LJ LJ LJ LJ e _ z u e k 0 10 AOH B Hr 160Hz 330Hz 750Hz 3KHz INPUT PAD FET GAIN ON TUBE GAIN TUBELEVEL QN COMPRESSOR ON OPERATING INSTRUCTIONS PRESENCE STANDBY POWER PRESENCE 4 VOLUME STANDBY POWER PRESENCE VOLUME STANDBY POWER 2 TIE qm sw FET Page 16 20 Laney USER SETTINGS Store your own cool sounds po pros i hs ge LJ INPUT PAD BASS INPUT PAD BASS PEAK INPUT PAD 4 8 E 3 7 2e LI a 00 0 10 FET GAIN ON DE FET GAIN ON heres 4 x 3 7 2 1 iha 0 10 FET GAIN DN 100 IK FREQ Level 5 4 of 4 5 3 3 FL 5 2 LI LI 1 e 15s a 9 0 10 0 10 TUBE GAIN TUBE LEVEL ON L0 MID TUBE GAIN TUBE LEVEL ON us FREQ um u 4 ef lt EJ 8 7 p E n P EB
16. avoid extremely low frequencies 30Hz arriving at the speakers especially when bass boost is applied This wastes power and causes excessive speaker cone movement However for studio uses it may be desirable to have the extra feel of the extreme low s So in this case press the switch to defeat the filter The switch will be illuminated when in this mode 21 Deep Control This control adjusts from a tight controlled sound zero position to more open rounded bass sound at 10 The effect is somewhat dependent the type of speaker cabinets connected to the amplifier When setting up initially start in the zero position and adjust in small amounts to obtain your desired sound Page 9 20 La n Cy OPERATING INSTRUCTIONS Cut out This is provided to protect the amplifier in place of a power fuse In the unlikely event of it operating the button will protrude out farther than normal and can be re set by pushing back in It may take several seconds before it can be re set If it trips again check for possible causes damaged tubes wrong speaker connections etc Should this not cure the problem refer to a qualified technician 26 Speaker Connectors There are two parallel connected Speakon Jack combination sockets provided The minimum total impedance load is 4 Ohms see speaker connection details It is very important to observe correct speaker matching and connection to avoid damage to your amplifier When using Speakon connectors they sho
17. de carrientazo no abra la cubierta No hay piezas adentro que el pueda reparar Deje todo mantenimiento a los tecnicos calificadod Risiko Elektrischer Schlag Nicht offen Um das Risiko eines elektrischen Schlages zu vermeiden nicht die Abdeckung enfernen Es befinden sich keine Teile darin die vom Anwender repariert werden Konnten Reparaturen nur von qualifiziertem Fachpersonal durchfuhren lassen To prevent electrical shock or fire hazard do not expose this appliance to rain or moisture Before using this appliance please read the operating instructions for further warnings Afin de prevenir les risques de decharge electrique ou de feu n exposez pas cet appareil a la pluie ou a l humidite Avant d utiliser cet appareil lisez les advertissments supplentaires situes dans le guide Para evitar corrientazos o peligro de incendio no deja expuesto a la lluvia o humedad este aparato Antes de usar este aparato lea mas advertcias en la guia de operacion Um einen elektrischen Schalg oder Feuergefahr zu vermeiden sollte dieses Gerat nicht dem Regen oder Feuchtigkeit ausgesetzt werden Vor Inbetriebnahme unbedingt die Bedienungsanleitung lesen BEFORE SWITCHING ON After unpacking your amplifier check that it is fitted with a three grounded or earthed plug Before plugging into the power supply ensure you are connecting to a grounded earth outlet If you should wish to change the factory fitted plug yourself ensure
18. er supply immediately and leave to dry out for atleast 24hrs Rack Mounting The chassis may be removed from its wooden cabinet and fitted into a standard 19 rack unit However the chassis must be mounted on a metal supporting shelf to provide sufficient support and to cover the exposed areas on the underside of the chassis Ventilation must also be considered and adequate provisions made We do however recommend retaining the amplifier in its wooden case and transporting in a suitable foam lined flight case when ever possible Speaker Cabinets TheLaney Nexus range of cabinets has been specially designed for use with this amplifier Their power ratings and impedances have been carefully matched for optimum performance Use of other cabinets may result in an inferior sound See connection diagrams for wiring up Page 5 20 Lin 4 Lane OPERATING INSTRUCTIONS QUICK START SETTINGS Suggestions only experiment BASS TREBLE OND PRESENCE 1479441 E STANDBY POWER 28 2 A gel 4 a E lt 5 gt 0 10 COMPRESSOR ON BASS TREBLE HI MID PRESENCE p 1 2 T 12 REN E STANDBY POWER pt af 2 2 2 ED es es 6 sf FET GAIN ON TUBE GAIN TUBE LEVEL ON BASS TREBLE IE STANDBY POWER Ze 2 L4 k il S MA Lu Ta a gt 5 5 5 5 Jl NN E NE
19. g part of the worldwide Laney family Each and every Laney unit is designed and built with the utmost attention to care and detail so trust yours will give you many years of enjoyment Laney products have a heritage which stretches back to 1967 when first began building valve amplifiers in my parent s garage Since then we have moved on from strength to strength developing an extensive range of guitar bass public address and keyboard amplification products along with a list of Laney endorsees that includes some of the world s most famous and respected musicians At the same time we believe we have not lost sight of the reason Laney was founded in the first place a dedication to building great sounding amplification for working musicians Warm Regards f Y Lyndon Laney CEO ds Introduction V The Nexus FET amplifier is the culmination of our 40 E of experience in the bass amplification business It is built to the highest professional standards using the best available parts Through out the design we have considered the requirements of the professional player who not only requires great sounds but also the utmost reliability To this end we have used the best and most proven FETs available gold plated circuit boards gold relays for all signal switching a massive oversized toroidal transformer plus an overall feature set and sound second to none The amplifiers are assembled in our UK factory by our very experienced staff wit
20. graphic slider controls are at the centre zero position and none of the push switches are illuminated Turn your amplifier on with the power switch making sure that the standby switch is in the standby position first After 20 seconds or so turn on the standby switch to the Run position Plug in your guitar using a good quality screened lead Press the FET channel select button Play your bass guitar and adjust the FET Gain control until your playing lights the amber led in the bar graph display and only very occasionally on loud peaks the Red If you find that the gain control has to be set quite low to achieve this try pressing in the pad switch to lower the input sensitivity Now advance the Volume control to the desired listening level Apply tone correction as desired but try to use small amounts of boost and cut to your sound Over correction will nearly always sound bad Don t forget most of the controls have cut and boost don t boost them all cut sounds good too especially in the mid range Try to always use the minimum tone correction to get your desired sound As you adjust your tone you may need to readjust the gain control to maintain the correct level on the bar graph display Ventilation Ensure the amplifier is well ventilated and that the top and bottom vents are not obstructed in any way Avoid dropping anything in through the vents especially liquids of any kind If this should happen turn off the product and disconnect from the pow
21. h great attention to detail and inspection It is then electrically bench tested Following this it is put through extensive burn in procedures over many hours Afterwards it goes back to the test bench for a further extensive re check and final calibration Only when it has successfully passed these stages is it then put into its cabinet Then comes the most important part of all actual play testing One of our experienced bass guitarists spends time putting the amplifier though its paces checking all the sounds and functions are perfect Only then does it get the seal of approval to be carefully packed and shipped We hope you enjoy using your Nexus amplifier as much as we have enjoyed designing and building it Best wishes from all at Laney Page 4 20 La n Cy OPERATING INSTRUCTIONS NXF USER TIPS amp QUICK START Connecting up your rig Check your amplifier is the correct working voltage for the area you are in Ensure you use the earthed power cord supplied with your amplifier to connect to the power supply Make sure the supply socket you are using is an earthed grounded type Ensure you connect your speakers to the appropriate impedance socket with good quality speaker cable and connectors before switching on your amplifier If not using Nexus speakers ensure they are of sufficient power handling capacity and correct impedance Quick start Make sure the volume control is at minimum The gain controls are at minimum The EQ and
22. l increase to assist cooling The amplifier is designed with plenty of ventilation so overheating is very unlikely unless the ventilation is obstructed Should this happen the amplifier will automatically turn to standby mode and not switch back on until it has cooled During this period the fan will revert to high speed mode to speed cooling Whilst waiting check that the fan and the ventilation are not blocked This will speed the return to normal operating Page 10 20 Laney TECHNICAL SPECIFICATIONS Power Amplifier 650W RMS 1 THD into 4 Ohms 10 x Complementary Lateral Power FET s Small signal parameters 20Hz 20kHz 1dB THD typical 0 02 Power Consumption 800 Watts maximum Size W H D V 524 218 400 45ltrs Weight 27kg Inputs Single Jack with 10dB Pad switch Zin 1M Ohm 20mV 8Vrms Preamp Bar Graph Level Indicator 4 led bargraph display with combined mute indicator and peak lights Fet Gain control With on off switch and LED indication Remote footswitchable Tube Drive control 40mV to 850uV sensitivity Tube Master control With on off switch and LED indication Remote footswitchable Compressor Single control for threshold and range with auto level adjust Sited post gain pre EQ Remote footswitchable Bass amp Treble Shelving controls 12dB 50Hz 15dB 5kKhz Dual Para mid High and low paramid EQ x12dB 50Hz 600Hz amp 12dB 400Hz 4kHz On off switch amp LED indication Remote foots
23. t the input levels on the display see input level meter Standby switch This is used to turn on and off the FET power amplifier You should always switch on the amplifier with the switch set to the standby position After 30 seconds ensure the Volume is set to minimum then switch to the run position and the amplifier is ready to go Adjust the Volume as required The switch may also be used to turn off the amplifier between sets etc without using the power switch thereby allowing an instant turn on when switched back to the run mode When powering down the amplifier after use it is a good idea to turn off the standby switch first this will then avoid any noises arriving at your speakers Power switch Used for turning on the main power into the amplifier Before switching on ensure speakers are connected the Volume Control is set to minimum and that the Standby Switch is in the standby position Input Jack Plug in your guitar here using a good quality screened jack lead Input suits both active and passive basses Page 8 20 OPERATING INSTRUCTIONS 14 Input Pad Switch Press in to reduce the input sensitivity when using high output basses The switch is illuminated when pressed in 7 5 FET Gain Adjust in conjunction with the input level meter to nominally run the display with the amber light illuminated and the red light just 7 occasionally illuminating on the loudest notes you play This will give the optimum signal level through
24. tal damage at the end of its useful life this product must not be disposed of along with normal household waste to landfill sites It must be taken to an approved recycling centre according to the recommendations of the WEEE Waste Electrical and Electronic Equipment directive applicable in your country Trademarks Speakon and the names of Neutrik AG products referenced herein are either trademarks and or service marks of Neutrik amp AG Page 14 20 La n Cy OPERATING INSTRUCTIONS TROUBLESHOOTING DIAGRAM No Sound or Bad Sound Instrument Cabinet Not Connect instrument or cabinet correctly Retry connected correctly Check AC Power cord connected correctly Check AC Power cord plug fuse has not blown Check Thermal Trip on rear panel Retry Mute LED On Enable channel Retry Switch to Run mode Retry Amplifier in Standby mode IL If cooling fan is loud due to overheating check ventilation is clear allow to cool Retry Input Level Meter Peaks Reduce input gain enable Pad reduce excessive Easily Boost Retry If the problem is not covered above or the steps lead you here then contact your Laney dealer who can help with servicing or information Page 15 20 Laney USER SETTINGS Store your own cool sounds po pros GRAPHIC 35 N i w ge 4 8 5 E 4 4 E 3 E 3 2S 7 45 kE M 1 M 4 M LJ 9 e hd o 30 o o 1o 8 40Hz 80Hz 160Hz 330Hz 750Hz 3
25. ted with Speakon connectors cheap leads are often not up to the job of handling the large requirements for loudspeakers and can often short out FET amps don t like running into a short circuit CBE C pegs L s Speakon Connectors on Rear Panel Use either 1 4 Mono Jack or NL4 Speakon Connector LOUDSPEAKERS s LE a a ii n e L TE CLASS 2 WIRING MINIMUM IMPEDANCE 40HMS Page 13 20 La n Cy OPERATING INSTRUCTIONS BLOCK DIAGRAM FOOTSWITCH EE EN FX LOOP INSERT TYPE VU DISPLAY SEND RETURN 7 v v v O pe MUTE COMPRESSOR PARAMID GRAPHIC SUB BYPASS pe 2 3 yo ON A p ON p ON pe o r coe coo pt INPUT J COMPRESSOR BASS TREBLE ox paw CR BAND GRAPHIC OD A DEEP gt E gt lt PS M z r FX LOOP lt 2 BYPASS T il IT LL Veron UBE CU POST EQ GND LIFT EQ BALANCED D I OUT TUBE GAIN TUBE VOLUME PREAMP OUT POWER AMP IN E LI Li MEA NU OUTPUTS TUBE BUFFER E50W MOSFET 40 MINIMUM lt This product conforms to the requirements of the following European Regulations Directives amp Rules CE Mark 93 68 EEC Low Voltage 72 23 EEC EMC 93 68 EEC RoHS EU2002 95 EC WEEE EU2002 96 EC In order to reduce environmen
26. uld be wired 1 to the positive speaker terminal and 1 to the negative terminal 2 and 2 are unused and not connected within the amplifier When using Jack leads ensure they are properly rated speaker cable and not instrument types Jacks should be wired tip to speaker terminal and body to speaker terminal For long term reliability we recommend using Speakon connectors when ever possible Preamp out Power Amp in jacks These jacks are primarily used to connect other power amplifiers or connect Nexus Tube amplifiers together to boost power outputs When connecting to another power amplifier the preamplifier output jack should be used The level at this jack is nominally 13dBu or 3 4V at full power The signal at this socket will be affected by all the controls on the preamplifier When connecting two Nexus Tube amplifiers together to boost power levels the master amplifier preamplifier out jack should be connected to the power amplifier input socket of the slave The master will then be in complete control of the slave power amplifier 28 DI output socket and switches This socket is a balanced signal output for sending to mixing desks PA etc The signal may be sent from the preamplifier before any of the EQ controls or effects Pre Post switch set to Pre or after the EQ and effects but prior to the Volume control Pre Post switch set to Post The nominal level is 20dBu or 100mV A ground lift switch is provided to avoid any hum problems
27. witchable Graphic EQ 15dB 40Hz HiQ 80Hz HiQ 160Hz HiQ 400Hz LoQ 800Hz LoQ 4kHz LoQ On off switch and LED indication Remote footswitchable Presence Control Active HF boost control 10dB 3kHz Deep Control Active LF boost control 5dB 50Hz Sub Filter Active filter prior to output stage 3dB 35Hz 24dB oct Switchable with LED indication Master Volume Control Residual noise 60dBu Volume min 42dBu Volume max Typical SNR 85dB Power amp Standby switches Relay controlled standby on power stage All signal switching via sealed gold contact relays only OPERATING INSTRUCTIONS Speaker outputs 2x Neutrik Combi Speakons Jack Speakon 4 8 Ohms Load impedance Preamp Out Power Amp In 2x Jacks post master volume 13dBu 3 4V Power amp nominal gain 24dB DI out Male XLR socket Balanced amp switchable Pre Post EQ 20dBu Ground Lift switch feature FX Loop Send return Jacks Insert post EQ pre Master volume Nominal 250mV 10dBu Tuner Out Jack feed from input buffer Pre all controls Still operative in mute mode Muting via de selection of both tube and FET channels Overload cut out Re settable overload power button in lieu of power fuse for increased reliablity Remote switching Via the 5 way included FS7 model footswitch Tube channel on off Fet channel on off Paramid on off Graphic on off Compressor on off Muting via de selection of both tube and FET channels All
28. y and Health Administration OSHA has specified the following permissible noise level exposure Duration Per Day In Hours Sound Level dBA slow response 8 90 6 92 4 95 3 97 2 100 1 2 102 105 2 110 or less 15 According to OSHA any exposure in excess of the above permissible limits could result in some hearing loss Ear plugs or protectors in the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss if exposure exceeds the limits set forth above To ensure against potentially dangerous exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation SAVE THESE INSTRUCTIONS Page 2 20 CAUTION ATTENTION PRECAUCION VORSICHT WARNING ADVERTISSEMENT ADVERTENCIA ACHTUNG Intended to alert the user to the presence of uninsulated Dangerous Voltage within the products enclosure that may be sufficient to constitute a risk of electrical shock to persons Ce symbole est utililise pur indiquer a l utilisateur de ce produit de tension non isolee dangereuse pouvant etre d intensite suffisante pour constituer un risque de choc electrique Este simbolo tiene el proposito de alertar al usuario de la presencia de voltaje peligroso que no tiene aislamiento dentro
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