AMT F-1 Manual English Ver
Contents
1. www amtelectronics com Safety Instructions CAUTION There are no user serviceable components inside the device Only qualified specialists must perform the device repair WARNING To avoid possible malfunctions the device must not be exposed to rain or moisture Prevent water or other liquids from getting inside the device Do not place vessels filled with liquids Such as vases etc on top of the device This symbol points out important information related to the device maintenance and operation which can be found in the accompanying documentation Please read the instruction manual carefully AUNE 10 Keep the manual at hand Pay close attention to the warning instructions Adhere to all maintenance instructions Uses only dry cloth to clean the device which must be disconnected from the power adapter Do not place the device next to heat sources avoid direct sunlight Lay the power cable in such a way that it is impossible to be stepped on Besides avoid its contacts with sharp angles etc If the plug of the power adapter is used for the device disconnection from mains it must be easily accessible Use only auxiliary devices and accessories recommended by the manufacturer Turn the device off during thunderstorms All works related the device repair must be carried out only by qualified servicing personnel IMPORTANT All servicing instructions are intended exclusively for qualified personnel Do not carry out2. ality requirements AC DC Adapter SA12DC 12V 1 25A www amtelectronics com 2 Before you start For safe transportation the device was carefully packaged by the manufacturer However if the cardboard packaging is damaged you should immediately inspect the device for the absence of external damages gt In case of damages do NOT SEND the device to manufacturer but inform the seller or transport agency since otherwise you will lose the right to damage compensation gt In order to avoid damages during storage and transportation always use original packing gt Do not allow children to play with the device and packaging materials gt Please recycle all packing materials in the way harmless to the environment gt In order to avoid the device overheating provide a sufficient airflow around it do not cover it and do not place near other heat emitting devices gt Device operation near powerful radio transmitters and sources of high frequency signals can result in appreciable deterioration of sound In this case increase the distance between the device and the transmitter and use screened cables for all interconnections CAUTION Please be aware that high volume can harm your hearing and or damage the dynamic heads of your acoustic system Before turning the device on rotate Volume controls to extreme left position counter clockwise At all times try to adhere to moderate volume level Specifications INPUT Input im
3. any repair works not specified in the instruction manual All repair works are to be carried out by qualified personnel only www amtelectronics com 1 Contents Important instructions Complete set Introduction Before you start Specifications Controls Top panel Right panel Left panel Only for qualified personnel FX LOOP mode switch Audio connections and switching Audio connections 1 channel Audio connections 2 channels Block diagram Power adapter low voltage contacts arrangement ARAARA MWWWWWWNNNFP IMPORTANT INSTRUCTIONS NON OBSERVANCE OF THE FOLOWING INSTRUCTIONS MIGHT RESULT IN YOUR DEVICE DAMAGE GUARANTEE IS VOID IF THE DAMAGES ARE CAUSED BY NON OBSERVANCE OF THESE INSTRUCTIONS gt After transportation or storage of the device under negative temperatures make sure to leave the device under room temperature in its original packaging for AT LEAST 2 HOURS gt To connect the guitar preamp to other devices use exclusively cables intended for such connections gt Under no circumstances use other types of cables such as for speakers etc CONNECTION of the guitar preamp to power adapter gt Connect the adapter only AFTER all audio connections have been accomplished gt Before connecting the preamp to power adapter make sure that the casing cables low voltage connector and power plug are free from damages no cuts cracks dents and so on and are in operable condition gt To connect the prea
4. ded connections Two channel preliminary amplifier Ch Return AMT LEGEND AMPS R1 Microphone AC 100w 240W Three channel preliminary amplifier TRUE SELECTOR Ch Return FE Return To Return AMP Do Dee ete ees ee E cabinet www amtelectronics com 4 Lid vi iL FX RETURN a Ww z r a T o 5 Lid gt i l 1 BLA i o Oo LL z m 3 4823 5 x HEH To 383 923 O wy l EER iee O uw lt S2 833 aa bes mo wo lt f s ct m i E au gt i L p z z O 5 ei es Oo ae D x S HAHH r uo sg CNO aw O _ e w io e M pz d H TE gt rm l a EE o ia tg wi ao z CH CH COCH All the mentioned names titles and trademarks are the property of their owners AMT Electronics reserves the right to change the internal and external design of the device which won t decrease its consumer properties without preliminary notification In this connection the specifications and appearance of the device might differ from the ones shown in this document www amtelectronics com A
5. mp to the power adapter first insert the low voltage connector of power adapter into corresponding socket on the right panel of the switch and then plug the adapter into the wall outlet DISCONNECTION of the guitar preamp from power adapter gt To disconnect the guitar preamp from the power adapter first disconnect the adapter from mains and then disconnect its low voltage connector from the socket on the right panel of the guitar preamp COMPLETE SET Guitar preamp Instruction manual Packaging box Power adapter Warranty card al a e www amtelectronics com 1 INTRODUCTION Legend Amps F 1 guitar preamp is intended for studio use and live performances AMT Legend Amps is a new revolutionary series of one channel preamps J FET preamps from AMT Electronics developed with principally new approach to guitar sound formation The technology of analog modeling of the physical processes occurring in real vacuum tube limiting the guitar signals was used as the basis for the new guitar pedals series It became possible due to the application of original circuitry solutions The series channels structuring conforms to the processes occurring in real tube based devices It results in formation of the structure of limitation dynamics and range close to he ones used in popular tube amplifiers Having compact sizes and low energy consumption characteristic to semiconductor based effects AMT Legend Amps possess a numbe
6. pedance 1 0 MOhm Nom sensitivity 20dB OUTPUT Output impedance 10 kOhm Output signal level AMP mode 10dB Output signal level CAB SIM mode 10dB CH SEND Output impedance 10 kOhm Output signal level OdB CH RETURN Input impedance 1 0 MOhm Nom sensitivity OdB FX SEND Output impedance 10 kOhm Output signal level 10dB FX RETURN Input impedance 1 0 MOhm Nom sensitivity 10dB Power Voltage DC 9 12V Consumed current nom 6 0mA Power adapter optional Voltage Load current Dimensions weight Net dimensions WxHxD Net weight Overall dimmensions WxHxD GROSS weight AC DC Adapter SA12DC 12V 1 25A DC 12V 1 25 A 111x58x73 mm 0 247 kg Appr 125x83x103 mm Appr 0 3 kg A Use only external devices and accessories recommended im by the manufacturer www amtelectronics com 2 CONTROLS Front panel ara th j hehe ter ower pupply air Ms a hs rs i i i ee e h 4 Ee Li r 1 i eS j i TA f FI li ha ft iy F i i s ki a wi Z Ae Fi r ga i a oral a pi J i zP NIEP EVEL master gt VOLUM amp 1 a i ak 8 i Ps S ae IN IN DC 12W OUT DE 12W Legend amps a 1 FOOTSWITCH engages CLEAN F 1 BYPASS modes In case of connected CH SEND CH RETURN FOOTSWITCH engages CLEAN F 1 LOOP 2 F 1 operation indicator sage LEVEL adjusts the outpu
7. que 100 analog tool for your guitar sound shaping Of the entire series only AMT F 1 uses included power adapter AMT F 1 is a preamp with internal CLEAN channel and the possibility of switching to external channel any auxiliary overdrive effect by means of a fot switch AMT F 1 has the insert loop of serial type with standard 10dB level intended for connection of auxiliary effects and boosting the effect signal to standard OdB level or higher MASTER VOLUME which is sufficient to operate directly with power amplifier In case of connection to a mixer the preamp has speaker simulator mode The mode can be selected by the switch loicated on the left panel of the device AMT F 1 provides the built in power hub to supply 9 12V to external channel and auxiliary effects The bottom of AMT F 1 under the box s cover has FX Loop mode switch serial parallel which significantly expands your choices In case of connection to Ch send Ch return AMT F 1 preamp there is a bi color LED indicator located on the front panel Clean channel AMT F 1 green Lead external channel red If AMT F 1 is used in mono mode without external overdriven channels the LED is single colored and the footswitch acts as Bypass Clean channel AMT F 1 Important Note The preamps of the AMT Legend Amps series AIN like other top class devices are sensitive to power source quality For this series we do recommend to use the adapter meeting the necessary qu
8. r of unique features found in real tube preamps and amplifiers Preamps included into AMT Legend Amps series provide excellent playing dynamics characteristic to real tube based devices and are in no way inferior to them v With the limitation range similar to tube channel the preamps of the series ensure terrific thickness and power to the resulting sound Working with AMT Legend Amps preamps you won t feel the urge to cut out the most informative middle frequencies which in turn will provide great readability of your guitar in the sound mix v Like tube preamps AMT Legend amps provide gradual increase of the limiting stages number as the gain grows S The series preamps use passive circuits of tone shaping which are in full conformity with the tone controls during original tube overdrives v The high level of output signal of AMT Legend Amps 10 dB at max Level position corresponds to the tube preamps output signal levels Thus you have adjustable signal level which makes it possible to connect the preamps to any input RETURN DIRECT LINE etc including INPUT POWER AMP Sound Character and Operation Principles of AMT Legend Amps F 1 AMT F 1 is the first among the basic modules of the entire AMT Legend Amps series You can use AMT F 1 to build a complex of multi channel preamp from mono channels of AMT Legend Amps series P 1 B 1 M 1 R 1 S 1 The series is constantly expanding thus giving you a chance to obtain a uni
9. t signal level of AMT F 1 CLEAN F 1 preamp MASTER VOLUME adjusts the output signal level of AMT F 1 preamp and connected external channels o N OO UI Right panel LOW adjusts the low frequency level MID adjusts middle frequency level HIGH adjusts high frequency level GAIN adjusts the sensitivity level of guitar preamp in relation to guitar signal INPUT FX RETURN FX SEND 9 OUT DC 12V DC 12V output for connection of external channels 10 IN DC 12V for connection of DC 12V power adapter 11 INPUT for your guitar connection 12 FX RETURN input for connection with an external effect s output 13 FX SEND output for connection with an external effect s input www amtelectronics com 3 Left panel j rn CH SEND CH RETURN OUTPUT AMP CABLSIM 4 dB 10 dB 14 CH SEND output for connection to external preamp s input 15 CH RETURN input for connection with an external preamp s output please use only mono jack 16 OUTPUT for connection with an power amplifiers input or mixer s line input selected by AMP CAB SIM switch 17 17 AMP CAB SIM switches between output signal levels emulation cabinet on off of OUTPUT 18 OUT DC 12V DC 12V output for powering external channels CAUTION All connections are to be carried out only when the power of the preamp has been SWITCHED OFF BYPASS AN mode For qualified personnel only There are no
10. user serviceable components inside the device The device repair must be done only by qualified AN specialists 8 Ifthe device has not been used for a prolonged period of time it is necessary to remove the battery from the device To avoid possible malfunctions and injuries related to fire or electric shock prevent various objects and liquids from getting inside the device FX LOOP Mode Switch A WARNING FX LOOP mode is to be selected with AN disconnected power supply and all other cables of the guitar preamp DO NOT USE the device without the back cover DO NOT TOUCH the circuit board and other components behind the cover with your hands or objects To switch between FX LOOP modes parallel serial Remove the bottom cover of the guitar preamp by unscrewing 4 four screws Carefully position the micro switches as follows parallel loop mode P switch to ON S switch to opposite position serial loop mode S switch to ON P switch to opposite position WARNING DO NOT position the micro switches in the same direction e g both to ON Replace the bottom cover of the guitar preamp and fix it in place by means of the 4 four screws PARALLEL NAPASINENbHbIM SERIAL NOCNEQOBATENbHbIM www amtelectronics com 3 ANVIT soss AUDIO CONNECTIONS AND SWITCHING AMT LA F 1 guitar preamp possesses a wide range of functional possibilities To operate AMT LA F 1 you can use the recommen
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