User Manual for the Einstein 100W Guitar Amplifier
Contents
1. A frequency corrected signal will leave this jack if you connect it to a mixer or recording device Use it to quietly compose or send an auxiliary signal to a console etc For quiet sessions just turn the master volumes to 0 Recording a loudspeaker through a microphone is the preferred choice of recording engineers The compensated out was designed as an alternative for those that don t have a studio at your fingertips Speaker Connections Einstein has 5 speaker jacks 1 for a 16Ohm load 2 for 2 16Ohm loads or 8 Ohm load and 2 for 2 8 Ohm loads or 1 4 Ohm load Confusing Oh yes Just do what it says on the jacks and you ll be fine Chapter Four Two Pre Amplifiers 4 1 Pre Amplifiers and their Jobs The Diezel Einstein comes equipped with 2 different and totally independent preamps This allows the artist to play through nearly all musical styles without having to make major changes to his her amplifier The preamps are voiced to deliver the most wanted guitar tone flavors Clean Crunch Heavy Lead This design concept delivers stellar guitar sounds with excellent playability warm dynamics and razor sharp equalization possibilities The tone controls work in an unusually wide range so a little adjustment does quite a lot As with so many things less is often more We suggest you start exploring the channels with all controls set to 12 00 o clock and the master volume just slightly cracked open To avoid hearing d2. a short while It s like stretching before exercising Power Tube Life The power tubes of your amplifier are subjected to a certain aging process Once signs of aging such as unreliability or unusual noise are detected we suggest that you replace all power tubes at once Matched tube sets age relatively evenly so our experience suggests This means that if one goes the others are not far from meeting the same fate The aging process manifests itself by a depletion of a thin layer of wolfram on the anodes This can take anywhere from 6 month to 3 years depending on the amount of use of the amplifier Chapter Three Peripheral Connections 3 1 3 1 1 Front Panel Connections The input jack IN receives your Electric Guitar signal by means of a shielded guitar cord with 1 4 mono style plug Your guitar cord is an important part of your signal chain and its quality and construction type clearly affect the overall tone of your rig Try and buy the best quality guitar cord that you can or want to afford Call us if you have doubts and need recommendations This is where the smart weak link comment comes in Cable ABC Some cords and cables sound very neutral others color the sound spectrum and or attenuate high frequencies due to capacitance inside the wire and the shield What are we talking about OK A capacitor is used in electronic crossovers amongst other things to divide low and high frequencies Capacita
3. before connecting the power cord Never start Einstein without connecting speakers to the proper terminals See 3 2 5 Power up Warm up Standby off First turn the Power switch to on facing up The indicator light will turn on This starts the tube heating process After about 40 seconds the tubes should be sufficiently heated for normal operation Your Einstein is then ready for operation and the standby switch can be turned to run also facing up Premature activation of the standby switch will lead to unnecessary tube stress and subsequent reduction of the power tube s life span Power Tube Caution Tubes are electronic components that function only with vacuum intact and under very high operating temperatures Each tube has one or more heating filaments much like a light bulb These filaments heat up the anode of the tube If you switch the standby switch to the run position before these anodes have reached their operating temperature when the anode surfaces are not heated evenly this causes undue stress to the tubes and their related components inside the amp Always give the amp its much needed warm up time even if musical inspiration hits you with a full force Operating Temperature It will take a little more time after warm up until everything inside the amp is working in sync and to its fullest potential A trained ear will notice a slightly warmer tone and better complexity in tone after playing the amp for
4. ie Safety warnings We would like to stress the importance of the following points for reasons of your personal safety product longevity and product liability e Do not use the Amplifier in or near wet locations e Do not store the Amplifier in damp or wet locations e Do not operate the Amplifier on voltages other than those designated on the rear panel of the amplifier e Do not open the panels of the amplifier No user serviceable parts inside Your Einstein operates on very high internal voltages which may still be present after the Amplifier has been turned off and disconnected for a while e Do not use the Amplifier for anything other than its designed purpose To Amplify Electric Guitar Signals e Do not use fuses other than those intended and specified for the Amplifier e Do not use 2 conductor extension cords or anything other than 3 pole grounded outlets for this appliance Your life may depend on it Please observe the following points when transporting your Einstein Einstein is a tube powered amplifier therefore it is sensitive to shock especially after playing the amplifier for a while Please store and transport your amplifier gently and try to avoid extreme temperatures which might produce condensation resulting in moisture on internal components Usually a 60 Minute acclimatization period is sufficient to ensure safe operation The amplifier should be stored in a controlled environment and it should be transported i
5. 6L6 great tube for clean sounds good blues tone also strong bass and excellent clarity Recommended bias 25 35mA 6550 very loud very good dynamics strong low end amazingly percussive Recommended bias 40 60mA KT88 KT100 similar to 6550 but very punchy with great clarity and warmth Expensive Recommended bias 35 50m 5 2 3 Life Span Power tubes last 1 to 3 years depending on care volume and frequency of use of the amplifier If you use your amp only once a month then the tubes will last much longer Really We have heard tubes that are over 10 years old but it was not a good thing Tubes age very slowly slow enough for the artist to get used to the changing tone To keep things fresh and to keep your tube dealer in business we recommend re tubing cleaning and biasing once a year if the amp is used frequently Chapter Six Layout of Controls 6 1 6 2 6 3 6 4 Manual Channel Selection The 2 channels of the Einstein can be selected manually by activating the select switch for either channel Alternatively a foot switch can be connected to remotely control the channel selection Master 2 On Off Master 2 can be used for all channels and can also be remotely controlled via the included foot switch This allows instant volume boost or cut without fiddling with the amp Once adjusted to suit your needs for the gig it s a thing of pure beauty You can select the Master 2 function via the Diezel 2 button foot
6. User Manual for the Einstein 100W Guitar Amplifier Diezel USA Salwender International 1147 W Collins Ave Orange CA 92867 714 538 1285 http www salwender com Table of Contents Chapter One Safety and Warranty 1 1 1 2 Safety Warnings Warranty information Chapter Two Using your Einstein 2 1 2 1 1 2 1 2 2 1 3 2 1 4 pE Mains Connections power and Standby Mains connect to power outlet Power up Warm up Standby off Power tube caution Operating Temperature Power Tube Information Chapter Three Peripheral Connections 3 1 3 1 1 3 1 2 3 1 3 32 3 2 1 3 2 2 3 2 3 3 2 4 3 2 Front Panel Connections Signal In Connection Information Cable Selection Rear Panel Connections Send Return Loop Parallel and Serial Return Reasons for Dynamic Losses in the Effects Loop Compensated Out Speaker Connections Chapter Four The Two Pre Amplifiers 4 1 4 1 1 4 1 2 4 2 4 2 1 Pre Amplifier Duties Channel One Channel Two Pre Amplifier Tubes Noise and Microphonics Chapter Five Power Amplifier 5 1 5 1 1 5 1 2 5 1 3 3 2 32 1 Tone and Volume of the Power Amplifier Master Volume Presence Deep Power Amplifier Tubes Function 5 2 2 Selection 5 2 3 Life Span Chapter Six Functions and Switches 6 1 Channel Selection 6 2 Master 2 on off 6 3 Channels Chapter Seven Maintenance and Cleaning 7 1 Cleaning had Care 7 3 Tube Change Chapter One Safety and Warranty 1 1
7. amage Channel One low to medium gain Clean Tone is a very sensitive subject because there are so many different ideas on how a clean amp should sound like Clean tonal textures require much higher dynamic range than distorted sounds From hard and percussive sounds to soft warm and blossoming tone Einstein was designed to offer as many of the clean varieties as possible Your choice of guitars and pickups will have a large part in this equation 4 2 4 2 1 Channel one has three modes selectable by a toggle switch near the channel one gain knob The modes pre select different gain stages in the pre amp allowing this channel to span the range from extreme clean to a heavy crunch A player that does not require a clean channel can use these modes for alternate distortion sounds Channel Two high gain This channel is voiced for single notes or for very heavy and massive rhythm guitar Due to its slight midrange accent and very high gain it possesses a good punch will play with ease and gain authority to rule any stage or studio The less is often more rule applies here also Pre amplifier Tubes The pre amps are equipped with 12AX7 tubes in all positions The pre amp tubes are not designed to produce high power output Therefore their life expectancy is much higher than that of the power amplifier tubes This is not to undermine their utter importance in overall sound and response of the amplifier Also annoying de
8. encies around 120Hz without influencing the overall dynamic range of the power amplifier Diezel Co is not responsible for disintegrating speaker cabinets Power Amplifier Tubes Function As the name suggests the power amp section is the part of the amplifier that produces output power measured in watts Preamp signals are sent to the power amp s which amplifies this signal to a level that is acceptable for loudspeakers Guitar amplifiers utilize several different types of power amps which differ in output power and tone We chose the tube type power amplifier for its tried and true performance and familiar tonal behavior Selection Diezel Co installs the most reliable and best sounding tubes that are currently available in sufficient quantities So it is possible that tube brand and tube type will change during production You can fine tune your Einstein by having different type and brands of tubes installed however it is imperative that the amp is biased properly Einstein utilizes 4 power tubes organized in 2 pairs with dual bias possibility This allows use of 2 different pairs of power tubes either the same or the different types Yes this means that in a 4 tube Einstein you can mix 6550 s with EL34 s or 6L6 s with KT88 s etc Cool A quick and a general overview of the most common tube types for the Einstein EL34 6CA7 aggressive slender low end higher total harmonic distortion Recommended bias 30 35mA 5881
9. etter way Use the Parallel loop and the Volume control in the rear determines how much effect signal is being added to the original signal which now still flows through the amplifier There is always an analog connection between the send and return jacks a parallel loop Important You must set the mix control on the effects unit to 100 wet when using the parallel loop Otherwise there will be nasty phasing problems resulting in unsatisfactory tone The signal portion that is unaffected by the mix control in the effects unit would reach the amplifier at a different time due to the cabling and cause phasing cancellations Top 5 Reasons for dynamic losses in the effects loop Many different factors can be responsible for loss of dynamics aside from those mentioned in 3 2 2 ADA conversion A vital point that often leads to frustration is a maladjusted output level of an effects unit If the output level is too high then it will cause unwanted distortion in the power amp If it is too low then the rig 3 2 4 3 2 5 will not sound punchy and might get lost in the band sound When used in the serial loop the output of the effects unit determines the ultimate drive signal strength of the power amp The output level should be matched to give the best possible sound with all channels without over driving the power amp section Unless this is desired for power amp distortion Headroom adjustments of 10 are usually sufficient Compensated Out
10. fects like crackling noises and low dynamics are directly related to defective pre amp tubes Like all other tubes 12AX7 tubes come in many different gain stages and offer a wide variety of tonal behavior Our choice for production was made to ensure a wide variety of tones with low noise and good reliability Microphonics and Bad Noises The overall performance of pre amp tubes is easily influenced by external mechanical factors Malfunction in these external components will manifest themselves by a sudden high pitched feedback sound The input stage is especially suspect to these phenomena If one encounters microphonic tube behavior then the first tube should be checked as a rule Pre Amplifier tubes can also cause a hum or other bad noises like crackling or ticking Chapter Five Power Amplifier 5 1 Skl 5 1 2 Tone and Volume of the Power Amplifier Master Volume As the name suggests this controls the overall volume of the amplifier There is also a second selectable master volume control which allows volume adjustments via remote control device while playing Presence 5 2 J21 5 2 2 The presence knob controls frequencies over 3kHz Treble is produced and dispersed in a very small beam from the speaker so be sure to position yourself in the projection area of the speaker when making adjustments Deep The Deep Control is an active bass control contrary to conventional bass controls It controls the frequ
11. his is normal but will melt your ice cream and definitely ruin your beer Never put beverages on top of the amp where they could spill and flow inside the amplifier Will you rue the loss of your beverage first or the loss of your amplifier Tube Change Tube changes are only to be performed by authorized service personnel If power tubes with different values than the stock tubes are to be installed then the amplifier must be re biased before operation can be resumed The amplifier uses a two circuit bias system It is quick and easy to accomplish biasing but we recommend that you refer to trained professionals to attempt this procedure Salwender International and the Diezel Company wish to express their gratitude and congratulate you on your decision to purchase the Diezel Einstein Amplifier
12. n a suitable flight case Make sure the amplifier gets transported in its normal operating position not upside down or on its side The Einstein s design incorporates a very potent power amplifier It is configured to deliver satisfying guitar tones at most volume levels In its normal operational volume level 75 80dB it will provide beautiful tones with very little coloration For reasons of your own safety please do not run the amplifier above these levels for extended periods of time without wearing a hearing protection Hearing Loss is a long term ailment and is not normally curable Warranty Diezel G m b H of Munich Germany offers a 1 year transferable warranty on the Einstein 100W Guitar Amplifier The product must be registered and a dated sales receipt must accompany the registration Excluded from this warranty are all vacuum tubes and any abuse done to the amplifier Also excluded from this warranty are damages resulting from failing to follow the Safety Warnings mentioned in the section 1 1 Diezel USA is the local executor of this warranty Customer is responsible for shipping charges to Diezel USA in Orange California unless other arrangements were made in advance Chapter Two Using Your Einstein 2 1 211 Mains Connections Power and Standby Mains Connection to Power Outlet Please make sure that both switches Power and Standby are in the off position before connecting to the mains circuit Verify line voltage
13. nce in a cable cuts your guitar s high end to a certain degree Generally the longer of a cord you use the more of the cord s inherent characteristics will be audible Cable Selection In certain circumstances it is desirable to match a guitar cord to a specific instrument One may use the otherwise undesirable qualities of a cord to one s advantage if one has the time and patience to experiment with different cords and guitars This should be done while playing with your band or while recording Sometimes it is difficult to tell a component s true advantages until it is used in the right context A guitar that has very piercing highs could theoretically be tamed down somewhat by using a long guitar cord that offers some high end attenuation The loops of your Einstein send signals at higher levels and impedances which makes this section of wiring less sensitive You should still use reliable and good quality wiring for all loops 3 2 32 3 2 2 Due Rear Panel Connections Send Return Loop The system consists of 2 separate Loops It allows creation of effects path in either serial or parallel configurations The individual channel volume controls determine the signal strength at the send jacks The range is to 10dB The output impedance is 4 7 kQ To use the Send Return Loops connect the Send to the return or input or in of the effects unit Be sure to adjust the input level of the effects uni
14. switch Actually you can also use a readily available single button foot switch with a 1 4 connector Channels e Channel One Control perimeters include Gain Volume Treble Mid and Bass A 3 position toggle switch selects preset gain modes e Channel Two Control perimeters include Gain Volume Treble Mid and Bass This channel can be selected via the toggle switch or via the Diezel 2 button foot switch Effects Mix control Rear panel This control determines the amount of effect signal in the parallel loop Chapter Seven Maintenance and Cleaning 7 1 7 2 7 3 Cleaning Never use anything wet to clean the amplifier any amplifier Usually it is sufficient to wipe down the outside of the amp with a slightly moist cleaning rag Do not use abrasive cleaning chemicals Sometimes a vacuum cleaner can be used to remove dust and dirt from nooks and crevices Do not remove the chassis from the housing to clean the amp the inside of your amp carries dangerous Voltages Care Be gentle with this Amplifier Any mechanical shocks extreme temperature changes damp environments and other extreme conditions dust wind can substantially shorten tube life In some cases even the amplifier life Do not block the air circulation grilles in the front and in the back of the amp Do not push the amp right up against objects that would interfere with its normal airflow The top of the amplifier might get warm after a prolonged use t
15. t to the amplifiers level Most effects units have led bar or other level control devices The Output of the effects unit must be connected to one of the return jacks parallel or serial If you use the parallel return then the signal can be mixed to the original signal via the rear panel mounted Volume control Parallel or Serial Which is better for you Read on There are 2 ways to handle effects signals The serial loop interrupts the signal path of the Einstein and the signal is sent to the processor becomes processed then sent back to the serial return into the power amp Digital effects units often digitize this signal once received then process the signal convert it back to analog then send it to the amp This is called ADA analog digital analog conversion It is necessary for digital effects units digitize your guitar signal so that the processor can read and understand signal Your tubes however need an analog signal to operate so the processor converts the signal back to analog before it goes back to the amp Generally even in highest quality effects processors this causes a change in the original signal typically a loss of tonality and warmth also noticeable as a harder sound When you use the serial loop for an effects unit like this then your signal will have been ADA converted at least once Tone junkies and vintage freaks alike will more than likely have hives developing by now But as always there is a b
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