AMT SS-11 Manual English Ver
Contents
1. fire or electric shock do not let any foreign objects or liquids inside the device Tubes replacement To replace the tubes 1 Remove the upper protection cover 26 by unscrewing 4 four screws Remove bottom cover of the preamp by unscrewing 4 four screws Remove old tubes Install new tubes 5 Screw the bottom and upper protection covers on their places Use only the tubes recommended by the manufacturer for replacement ee iy AUDIO CONNECTIONS AND SWITCHING AN WARNING All connections are to be made ONLY after the gt preamp power supply has been DISCONNECTED Possible audio connections with external devices Audio connections AyoMocoegMHeHna p Digital delay f Or processor 7 ae or OUTPUT Guitar RETURN OUTPUT SEND INPUT Guitar cabinet T Pct bene amp tebe t08 oe O seasssss lt il TO RETURN PA speaker PA speaker Power amplifier www amtelectronics com 3 om S 11 Block diagram S 11 5rox cxema REO ORIVE INPUT I BLUE DC 300V DC 300V DC 300V CLEAN VOLUME l i TONES TACK CRUNCH DC 300V TERE RGA i AA A A KEG g rop dvdr EAD g 5 OC tv iN SUP OC 300w OC 12V DRIVE I Kil et 12 em CRUNCH mT lt n ee 12 aa J AMT Electronics reserves the right to alter design and exterior of the device without preliminary notice which in no way will affect its consumer value The de2. To switch SS 11 first insert the power adapter low voltage jack into the corresponding socket on the rear panel of the guitar preamp and then plug the adapter into the wall outlet SWITCHING THE PREAMP OFF To switch the guitar preamp off first turn off the guitar amplifier used with SS 11 Then disconnect the power adapter of the guitar preamp SS 11 COMPLETE SET The complete set includes Guitar preamp Power adapter Instruction manual Packaging Warranty card oe www amtelectronics com 1 SS11A and SS 11B floor preamps are intended for use both in studio and live on stage for standard tuning playing as well as lower one Before starting the serial production of AMT SS 11 guitar preamp we conducted a number of audio tests and experiments As a result we arrived to the conclusion that in order to satisfy various tastes of the guitarists army SS 11 would be produced in at least two versions based on the same platform While developing SS 11 we were guided by the following concept the quality sound at minimum size and maximum functionality with full bodied tube based pre amplification on the basis of quality electronic components INTRODUCTION Architecture of SS 11 v tube based 4 stage overdrive channel 2x12AX7 with high anode supply voltage 300V v three separate CLEAN CRUNCH LEAD channels CRUNCH and LEAD have common tone controls but separate sensitivity and output level controls plus separate
3. and accessories while operating the device Tubes 12AX7 ECC 83 INPUT Impedance Sensitivity RETURN Impedance Sensitivity OUTPUT Output impedance Output signal level TO AMP mode Output signal level TO MIX mode SEND Output impedance Output signal level Power supply Voltage Current Power adapter Voltage Current Dimensions Weight Net dimensions WxHxD without power adapter Net weight without power adapter Overall dimensions WxHxD GROSS weight 1 0 MOhm 20dB 1 0 MOhm 10dB 10kOhm 10dB 10dB 10kOhm 10dB DC 12V 0 56A DC 12V 1 25A 119x57x103 mm 0 52 kg Appr 206x83x140 mm Appr 0 8 kg www amtelectronics com 2 AIT cocco CONTROLS FRONT PANEL L 2 3 4 CON ODO U ad 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 TO AMP TO MIX output signal level switch LEVEL LEAD LEAD channel volume level LOW DRIVE channel low frequency adjustment OUTPUT to amplifier linear input of mixer in accordance with switch 1 position LEVEL CR volume level adjustment for CRUNCH channel DRIVE channel operation indicator RETURN connection to external effects unit output 10dB LEVEL volume level adjustment for CLEAN channel CLEAN channel operation indicator LOW CLEAN channel low frequency adjustment T SHIFT of CRUNCH channel highlights middle and high frequencies MID CLEAN channel middle frequ
4. AIT occon SS 11 Guitar preamplifier User s manual www amtelectronics com Safety precautions CAUTION High voltage Danger Even after the device has been switched off the internal circuits might be alive with up to 500V voltage To avoid the electric shock DO NOT REMOVE ARIN the bottom or top covers The device does not contain DO NOT OPEN any user serviceable parts The preamp can be repaired only by qualified personnel Please disconnect the device from mains if not in use WARNING To avoid fire or electric shock do not let rain or water inside the device Do not place any liquid containing vessels on top of the device The icon means the presence of live and dangerous voltage J N inside the device and the danger of electric shock r ri k i This icon points out important information related to the ATN device operation and maintenance contained in enclosed EO 4 documentation Please read the instruction manual carefully Keep the manual at hand Pay attention to warnings Follow all operational instructions Use only dry cloth for device cleaning Do not forget to switch the device off 5 Please do not block ventilation slots When connecting the device follow the instructions provided by the manufacturer 6 Please do not place the device nearby heat sources avoid direct sunlight 7 Do not step on the mains cable avoid sharp angles etc If the mains plug or plug adapter of the device ar
5. Tone SHIFT switches serial insert FX LOOP OUTPUT channel connection to specialized guitar amps with standard level of 10dB TO AMP mode as well as directly to mixing console with standard level of 10dB with guitar cabinet simulation feature TO MIX mode Ss v the preamp outputs are equipped with the improved semi conductor buffers providing not only the signal enrichment with low harmonics but also smooth transition to additional slight limitation inherent in devices using vacuum triode based insert v SS 11 uses the new guitar cabinet emulator based on filed effect transistors possessing better natural sounding when connected to line in v the special attention was paid to the quality of triodes anode supply the preamp uses specially developed high voltage transducer eliminating penetration of amplified signal pulse interferences SS 11 Channels Description LEAD offers an ample supply of overdrive and dense stringy sound great for aggressive rhythm parts as well as melodious solos with excellent readability CRUNCH differs in lesser overall sensitivity and more open sound structure The wide range of sensitivity adjustment allows to obtain the sound starting from slight crunch to nearly LEAD channel s heavy sound CLEAN offers classic clean sound with slight limitation in maximum sensitivity mode and crystal clear and bright one within the range of moderate sensitivity CLEAN channel has a separate 3 way tone control sensiti
6. e used for disconnection from mains they are to be easily accessible 8 Use only auxiliary devices and accessories recommended by the manufacturer Disconnect the device during thunderstorms or when the device is not used for a long time 9 Any work related to the device repair must be done by qualified service personnel 10 WARNING All instructions related to the device servicing are intended exclusively for qualified personnel To avoid the electric shock DO NOT fulfill repair works not described in the instruction manual All repairs must be done by qualified personnel AUNE www amtelectronics com 1 Contents Important Complete set Introduction Before you start Specifications Controls Front panel Only for qualified personnel Tubes replacement Connections Block diagram BWWWWWNDNYYN FP PF IMPORTANT If the device was transported or stored in cold environment it is necessary to leave the device in its original packaging for at LEAST 2 hours before switching it on Use only the cables specified for corresponding connections of the guitar preamp to other devices Please do not use other types of cables e g speaker cables etc SWITCHING THE PREAMP ON Please switch the device on only after you have completed all audio connections Before switching the preamp on make sure that the housing the connection cables and the power adapter mains plug are free from damages cuts cracks dents etc and are intact
7. encies adjustment DC 12V rear panel for power adapter connection HIGH CLEAN channel high frequency adjustment T SHIFT of LEAD channel highlights middle and high frequencies BRIGHT tone correction of CLEAN channel GAIN of CLEAN adjusts sensitivity level SEND signal output to external effects unit 10dB Operation indicator of DRIVE in CRUNCH mode GAIN CR adjusts sensitivity level of CRUNCH channel INPUT for guitar connection Operation indicator of DRIVE channel in LEAD mode GAIN LEAD adjusts sensitivity level of LEAD channel HIGH DRIVE channel high frequency adjustment MID DRIVE channel middle frequency adjustment Tubes protection cover CRUNCH LEAD foot switch to switch between CRUNCH and LEAD CLEAN DRIVE foot switch to switch between CLEAN and DRIVE www amtelectronics com 3 AN WARNING All connections are to be made ONLY when the power supply of the guitar preamp has been SWITCHED OFF ONLY FOR QUALIFIED PERSONNEL a DANGER High voltage 4 Even after the device has been switched off the internal circuits might be alive with up to 500V voltage To avoid the electric shock DO NOT REMOVE the bottom or top covers The device does not contain any user serviceable parts The preamp can be repaired only by qualified personnel Please disconnect the device from mains if not in use The circuits of the preamp are alive with the high voltage AIN current To avoid possible damage or injuries related to L
8. vice specifications and exterior might differ from the ones shown in this document www amtelectronics com www amtelectronics com 4 4 12 i I i amass if Kiz HaT ONT Kia DC 300V A DC 12V RETURN
9. vity and output level adjustment and BRIGHT switch Before You Start To provide safe transportation the device was carefully packed by the manufacturer However if the the packaging is damaged it is necessary to visually inspect the device gt if you detect any damages DO NOT ship the device to our address but inform the vendor and transportation company otherwise you ll lose your compensation right In order to avoid damages during transportation or and storage use the original packaging at all times Do not allow children to play with the device and the packaging Please recycle all avoid environmental contamination packaging to Y YV V WV To avoid the device overheating provide enough air circulation around it do not cover it and do not place it next to heat generating equipment v Using the device nearby powerful radio transmitters and high frequency signals sources might result in significant decrease in sound quality If this is the case increase the distance between the device and transmitter and use shielded cables for all connections WARNING Please pay attention to the fact that loud sounds might impair your hearing or and damage your speakers Before switching the device on please turn the VOLUME control knobs to extreme left position counterclockwise Try to use moderate volume levels at all times www amtelectronics com 2 Specifications Use only manufacturer recommended devices
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