AMT E-1 Manual English Ver
Contents
1. 0dB at max position of Level corresponds to the output signal levels of real tube based preamps Thus you have adjustable signal level allowing you to connect your preamp to any input RETURN DIRECT LINE and so on including INPUT POWER AMP The architecture and features of the guitar preamps of AMT Legend Amps series v The preliminary amplifiers of the series are one channel devices with passive bypass v The devices of Legend amps series are equipped with 2 outputs direct preamp OUT and CAB SIM a separate output for connection to line in The sound character of E 1 guitar preamp AMT Legend Amps Series Legend Amps E 1 is the preliminary amplifier for the fans of juicy sound with resilient mids It emulates the Lead channel of such legend as ENGL Fireball AMT Legend Amps E 1 is the resilient aggressive distortion which ENGL amps are famous for The wide range of sensitivity adjustment allows you to receive classic biting rock sound with minimum efforts At bigger distortion the sound acquires metallic colors with great sustain bright flageolets and readability of even complex chords at any distortion level characteristic for Engl amps A CAUTION The AMT Legend Amps series preamps as any other top class devices are very demanding when it comes to i the power source quality We insist that you use either a 9V battery 6F22 or the power adapter corresponding to the necessary quality require2. ANVIT onere J AMT LA E 1 one channel preliminary guitar amplifier Designed to be connected directly to power amplifier input or RETURN connector SAFETY RULES CAUTION The unit contains no user serviceable parts Only qualified professionals can carry out repair of the device WARNING To avoid malfunctions the device must not be exposed to rain or moisture The device interior must not be exposed to water or other liquid Do not place containers filled with liquids such as vases etc on top of the device AN This symbol indicates important information about the 3 operation of the device and its servicing as reflected in the accompanying documentation Please read the instruction manual carefully 1 Keep the instruction manual at hand 2 Please pay attention to the warning signs 3 Do not forget to follow all the instructions contained in the manual 4 Before cleaning the device unplug it from the power adapter Use only dry cloth to clean the device 5 Do not place the device near heat sources avoid direct sunlight 6 Lay the mains cord in such a way that it is not stepped upon Make sure it is not in contact with sharp angles etc If the mains plug or the socket of the adapter is used to switch the device off they must be easily accessible 7 Use only auxiliary devices and accessories recommended by the manufacturer 8 Disconnect the device from the power adapter when using power adapter during thunder
3. ION of the guitar preamp to the power adaptor gt The connection to the power adapter is to be made only when all other audio connections have been completed gt Before connecting the guitar preamp to the power adapter make sure that the housing the cable and the mains plug of the power adapter are intact no cuts cracks dents etc and are in operative condition gt In order to connect the preamp to the power adapter FIRST insert the power adapter low voltage connector to the corresponding socket on the right panel of the preamp and THEN insert the power adapter s plug into the mains DISCONNECTION of the guitar preamp from the power adapter gt To disconnect the guitar preamp from the power adapter FIRST disconnect the power adapter s plug from the mains and THEN disconnect its low voltage connector from the socket on the right panel of the guitar preamp COMPLETE SET The complete set includes 1 The guitar preliminary amplifier 2 Instruction Manual 3 Packaging box 4 Warranty card www amtelectronics com 1 Legend Amps E 1 guitar preliminary amplifier is intended for both studio work and live performances AMT Legend Amps is the new revolutionary series of 1 channel J FET based preamps from AMT Electronics designed as a result of totally different approach to the guitar sound formation INTRODUCTION In the basis of the new series of guitar preliminary amplifiers lies the technology of analog mo
4. N Input Impedance 1 0 MOhm Nominal sensitivity 20dB OUT Output Output impedance 10kOhm Output signal level 10dB CAB SIM Output Output impedance 10kOhm Output signal level 10dB Power supply Battery 6F22 Voltage DC 9V Current consumption Approx 6mA Power adapter optional Recommended AC DC Adapter SAO9DC 9V 1 11A AC DC Adapter SA12DC 12V 1 25A Voltage DC 9V or DC 12V Dimensions Weight NET dimensions WxHxD NET weight w o battery GROSS dimensions WxHxD GROSS weight w o battery 111x58x73 mm 0 23 kg Approx 125x83x103 mm Approx 0 3 kg Use only auxiliary devices and accessories recommended by the manufacturer Arrangement of contacts in a low voltage socket of the adapter PacnonooxeHve KOHTAKTOB Ha HHSKOBONBTHOM pasbeme CeTeBord afantTepa DC www amtelectronics com 2 CONTROLS FRONT PANEL 1 Guitar preamp operation indicator 2 LEVEL controls the output volume level of the preamp 3 OUT for connection to the power amplifier s input 4 CAB SIM for connection to Line Input of a mixer 5 LOW sets the low frequencies level 6 MID sets the middle frequencies level 7 HIGH sets the high frequencies level 8 IN for guitar connection 9 GAIN sets the guitar preamp sensitivity level 10 FOOTSWITCH switches between PREAMP BYPASS Right Panel 11 Power adapter connector 12 Bottom cover of the guitar preamp WARNING All conn
5. deling of the physical processes occurring within the real triode tube during guitar sound clipping It became possible thanks to the application of authentic circuitry design solutions The overamplification channels structure complies with the processes occurring in real tube based devices Due to that we managed to build the structure of sound clipping dynamics and scope very close to those in popular tube based amplifiers Having minimum sizes and power consumption characteristic to semi conductors the effects of AMT Legend amps series possess a number of unique features inherent in full scale tube based preamps and amplifiers v The preamps of the AMT Legend Amps series provide excellent playing dynamics characteristic for full scale tube based amplifiers and are in no way inferior to them v With the clipping scope similar to the tube produced one the effects of the series give you terrific density and power of sound Using AMT Legend Amps you won t feel like cutting out the most informative middle frequencies which in turn will provide great readability of your guitar in any mix v The preamps of AMT Legend Amps series like tube preamps provide players with gradual increase of the number of clipping stages as sensitivity grows S The preamps of the series use passive circuits of tone shaping completely corresponding to the controls used in original tube based overdrive v The high level of the output signal in AMT Legend Amps 1
6. ections must be made only when the guitar preamp has been SWITCHED OFF BYPASS mode Only for qualified personnel There are no user serviceable parts inside the device The device must be repaired only by qualified specialists If the device has not been used for a long time it is necessary to remove the battery from the device To avoid any possible damages or injuries related to inflammation or electric shock do not let any foreign objects get inside the device Battery installation replacement Only use replacement batteries recommended by the manufacturer To install replace a battery 1 Remove the bottom cover of the guitar preamp 12 by means of unscrewing 4 four screws 2 Remove the old battery and disconnect it from the device 3 Connect the new battery to the device and replace it 4 Replace the preamp bottom cover and fasten it by means of the 4 four screws www amtelectronics com 3 AUDIO CONNECTIONS AND SWITCHING CAUTION All connections are to be carried out only when the preamp has been disconnected from the mains BYPASS mode The diagrams of possible audio connections of the E 1 guitar preamp with external devices One channel connection version Audio connections Ayguocoemuneuua PA speaker Power amplifier PA speaker Guitar To RETURN Adapter Amplifier Head Guitar AC 100V 240V M PA speaker Power amplifier PA speaker www amtelectronics com 3
7. i Legend E1 Block diagram if Legend E1 5rox cxema fis E TK JFET TK OC 9V Sje va FSWITCH LOW LA MD LA HIGH LA PA speaker Audio connections 4 channel PA speaker AygnocoegnHenna 4 kanana Power amplifier To RETURN DIRECT SOUND Digital delay or processor All the used names titles and trademarks are the property of their owners AMT Electronics reserves the right to introduce changes into the design and appearance of the device which in no way will decrease its consumer qualities without preliminary notification In this connection the actual specifications and the appearance of the device may differ from the ones shown in the present document www amtelectronics com www amtelectronics com 4 4
8. ments recommended AC DC Adapter SAO9DC 9V 1 11A or AC DC Adapter SA12DC 12V 1 25A Before you start To ensure Safe transportation the unit was carefully packed at the manufacturing facility However if the packaging box is damaged you should immediately inspect the unit visually for the lack of external damage gt if you detect any damages please DO NOT send the device to the manufacturers address but notify the seller or transportation company otherwise you ll lose your right to compensation In order to avoid damages during storage or transportation please use the original packaging at all times Do not allow children to play with the device or the packaging Please recycle all packaging materials to avoid any harm to environment Vv VV WV To avoid the device overheating provide sufficient air circulation around it Do not cover it and don t place it close to heat emitting sources www amtelectronics com 2 gt Using the device near powerful radio transmitters and high frequency sources might result in significant worsening of sound quality If this is the case increase the distance between the device and transmitter and use shielded cables for all connections J N WARNING Please mind that high sound volume can damage your ears and or speakers Before switching the device on turn VOLUME control to the extreme left position counter clockwise Try to stick to a moderate sound volume at all times I
9. storm 9 If you don t use the device for a long time please remove the battery from the device 10 Any works related to the device repair must be carried out only by qualified service personnel 11 WARNING All service instructions are intended exclusively for qualified personnel Do not carry out any repairs not described in the instruction manual The repair works must be carried out only by qualified specialists www amtelectronics com 1 Contents Important instructions Complete set Introduction Before you start Specifications Power adapter low voltage connector contacts arrangement Controls Top panel Right panel Only for qualified service personnel Battery installation replacement Audio connections and switching Audio connections 1 channel preamp Audio connections 2 channel preamp Audio connections 4 channel preamp Block diagram BRHRWWWWWWWWNHYONDNYYN FE IMPORTANT INSTRUCTIONS THE FAILURE TO OBSERVE THE FOLLOWING INSTRUCTIONS MIGHT RESULT IN YOUR DEVICE DAMAGE THE GUARANTEE IS VOID IF THESE INSTRUCTIONS ARE NOT FOLLOWED gt After transportation or storage of the device under low temperatures keep the device inside its original packaging under the room temperature for AT LEAST 2 HOURS before using it gt To connect the guitar preamp to other devices use exclusively the cables intended for such connections gt DO NOT use other types of cables e g speaker cables and SO On CONNECT
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