ENGL Screamer 50 E330
Contents
1. 1 ENGL Custom Footswitch Z 5 Connect it to the Custom Footswitch Port 19 port via a 9 pin computer cable Functions Direct access to Clean Clean amp Lo Gain Crunch Clean amp Hi Gain Soft Lead Lead amp Lo Gain Heavy Lead Lead amp Hi Gain as well as V L S and Reverb This is a very convenient yet compact solution 2 Dual footswitch e g ENGL Z 4 Connect it to the amp via a stereo 1 4 cord You will need one dual footswitch for switching channels via Jack 20 and another footswitch for switching V L S and Reverb via Jack 21 Functions Clean Lead Gain Lo Hi V L S Reverb With this solution you can t activate the channels Crunch and Heavy Lead directly i e this requires an intermediate switching operation 3 MIDI Switcher e g ENGL Z 11 Connect the board to the amp via two stereo 14 cords The buttons on the Switcher control Clean Lead Gain Lo Hi V L S and Reverb If you program the diverse switching configurations to different MIDI program locations e g Gain Hi amp Lead amp Master Lo amp Reverb you can activate the desired configuration directly via a MIDI board e g ENGL Z 12 This type of control option is extremely versatile we recommend it highly if you intend to use the amp in conjunction with a MIDI system e g MIDI effects devices Technical Data Rated power approx 50 watts at 8 or 16 ohms Tubes V1 input tube ECC 83 12AX7 FQ Grade V2 V3 ECC 83 12AX7 s2. Screamer SO Guitar Amplifier Operators Manual Please first read this manual carefully ENGL Sereamer 50 delivers the sonic goods tons of tone and palette of hip sounds from squeaky clean to hi gain shred and everything in between This all tube beast is your first choice for many different sound styles With a host of practical features and a clearly arranged control panel handling this amp is a piece of cake The Screamer s opulent visuals are certainly arresting but its unique creamy tube tone and silky spring reverb truly set this amplifier apart The Screamer comes complete with a bit of technical wizardry which you ll find useful where it counts most out there in the real world of rehearsing and gigging Among these features are a Lo Hi Gain switch which in effect doubles your choice of channels from two Clean and Lead to four the afore mentioned plus Crunch and Heavy Lead You also get two different connection systems for different footswitches conventional 1 4 jacks as well as a port for the ENGL compact footswitch Z 5 optional And then there s the ingenious feature V L S an adapted version of the extremely popular and highly practical Master A B switching circuit found on high end ENGL heads Quality components excellent workmanship and strict quality control ensure this amp retains its value You ll find guidelines on care and maintenance of tube amps on the last page of the manual Please read and heed these
3. before operating your amp You ll also come across boxes shaded grey throughout the manual These are located between the descriptions of the amp s functions and contain handy tips on the preceding function All critical information pertaining to the operation of this amp is preceded by NOTE or CAUTION Please pay particular attention to these safety tips The ENGL team wishes you all the best may you and your amp enjoy a harmonically rich future together Frontpanel Lead Lead Screamer 50 Input Clean Lead Bass Middle Treble Presence Reverb Volume Gaia rene Master ang a at a aaa ae go Br B B B B B B B B E y Stand By Power 1 2 3 4 5 6 T 8 9 10 11 13 14 15 1 Input Input unbalanced input Plug your guitar cord in here 2 Clean Input sensitivity control Gain for the Clean and the Crunch channels Clean set the Gain button 11 to the Lo position Crunch set the Gain button 11 to the Hi position A TIP from the Designer Gain settings depend on what type of pickups are installed in your guitar The recommended setting for humbuckers or active pickups lies between the 10 and 1 o clock positions and 12 to 3 o clock for single coils for a pure clean response the Gain button must be in the OFF position 3 Bright Alters the EQ by boosting the upper treble range effectiveness decreases at higher Gain 2 4 settings the Bright feature affects all channels
4. effect on the signal Turn clockwise to blend in an effect connected to the loop to the dry signal parallel passive At the EFFECT position only the wet signal i e the signal sent from the FX device is fed to the power amp serial passive NOTE If no effects processor is connected to this loop leave this control in the DRY position 25 26 Poweramp Output 8 ohms parallel Parallel 8 ohm speaker outs connected internally in parallel Connect an 8 ohm cabinet or in the case of the Combo E330 its internal speaker here Alternatively two 16 ohm cabinets can also be connected to these two outputs 27 Poweramp Output 16 ohms serial 16 ohm speaker out connected internally in series with Jack 28 Connect a 16 ohm cabinet here Two 8 ohm speakers are connected to Jacks 27 and 28 for example a combination of the internal 8 ohm speaker of the Combo E330 and an external 8 ohm cabinet e g the ENGL models E112 or E412 CAUTION If you intend to use a 16 ohm cabinet only make absolutely certain you connect it to Jack 27 Jack 28 is only enabled when a speaker is connected to jack 27 28 Poweramp Output 16 ohms serial 16 ohms serial This is an auxiliary output connected in series with Jack 27 This jack is designed for one application for only when you are driving a combination of two 8 ohm cabinets speakers This output may only be used when an 8 ohm speaker is connected to Jack 27 See the example for Item 27 NOTE Never operate the ampli
5. the Lead channel A TIP from the Designer When you ve adjusted the amp to relatively loud levels and high Gain settings reduce the amount of Lead Presence 8 and Treble 7 to prevent annoying feedback that is generated when your guitar s pickups and the speaker interact something in the 8 to 12 o clock range should do just fine 9 Reverb Reverb control adjusts the portion of the reverb signal and increases reverb intensity if you rotate it clockwise the reverb can be switched on off via the respective footswitch connected to jack 19 or 21 10 Lead Volume Volume control for the Lead channel pre FX loop influences the Send level Use this knob to dial in the desired balance of levels between the Lead and Clean channels 11 Gain Lo Hi When you press this button the input sensitivity of both channels is increased The Hi Gain function actually turns Clean into a Crunch channel and Lead into a Heavy Lead channel It can also be activated via a suitable footswitch connected to Jack 19 or 20 the Gain Lo Hi button is automatically disabled when you connect a footswitch The yellow LED illuminates to indicate Hi Gain mode is active 12 Clean Lead Channel selector pushbutton for Clean and Lead modes red LED indicate Lead mode This function can also be activated via the respective footswitch connected to jack 19 or 20 Once a footpedal is connected the channel selector pushbutton is deactivated 13 Master Master volume control for p
6. this case reduce the signal s level via the Level control 32 Line Out Frequency Compensated The frequency corrected balanced Line output jack XLR Pin 2 and 3 signal Pin 1 Ground or not connected depending on the setting of switch 29 This signal can be routed directly to a mixing console or a recording unit The line out is located post poweramp in the signal chain so ensure the poweramp is activated and a load is connected to one of the output jacks A A TIP from the Designer The Line Out s output level is influenced by the following factors By the input level Gain the Volume control settings for the various channels to some degree by voicing control settings and by the Master volume level First dial in the desired sound combination at the front panel Then adjust levels at FX devices or signal processors if connected Now use the Level control to adjust the Line level The Line output is not overloaded until the Overload LED illuminates brightly and continuously You can push the level up to this point to match a mixing console or recorder s input level requirement Use the respective device s input sensitivity or gain control to fine tune level adjustments The different options for controlling the Screamer 50 amp remotely AXcaution AN BALANCED LINE OUTPUT DO NOT OPE RISK OF ELECTRIC SHOCK F X LOOP M FOOTSWITCH FOOTSWITCH PORT 10 NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE ce
7. A TIP from the Designer For a crisp glassy tone set the Bright switch to the On position This setting boosts the treble response of muddy pickups 4 Lead Gain control pot for the Soft Lead channel and the Heavy Lead channel It controls the amount of preamp overdrive in the Lead mode Soft Lead set the Gain button 11 to the Lo position Heavy Lead set the Gain button to the Hi position CAUTION Extremely high gain and volume levels in the Lead mode can produce strong feedback Avoid feedback squeals they lead to hearing loss and damaged speakers A TIP from the Designer To get Crunch sounds and Rhythm sounds set this control between the 9 and 12 o clock s position depending on the type of pick up and leave the Gain 11 pusbutton in the Off position 5 Bass Bottom end voicing control of the preamps s passive EQ 6 Middle Mid range voicing control of the preamp s passive EQ 7 Treble Upper range voicing control of the preamp s passive EQ A TIP from the Designer To get an idea of this amp s capabilities I suggest you set the tone control pots Bass 5 Middle 6 Treble 7 and Lead Presence 8 to the 12 o clock position For extremely soft lead blues or jazz sounds try setting the Treble knob to somewhere in the 8 to 11 o clock range For aggressive metal riffs or spanky funk sounds go for something in the range of 11 to 3 o clock 8 Lead Presence This control defines the Treble response in the poweramp stage for
8. LL Attention Please read the following This guitar amplifier can produce high volume levels Exposure to high volume levels may cause hearing damage Leave tube replacement and power amp biasing to qualified professionals Be sure the unit is switched off and unplugged Caution Tubes can get very hot and burn skin when touched Always use high quality cables Never plug the amp into an ungrounded outlet Never bridge a defective fuse and be sure replacement fuses feature identical ratings Pull the AC mains plug before replacing fuses Never open the chassis or attempt repairs on your own Consult qualified service personnel Never expose the amplifier to extreme humidity or dampness Please read the instructions carefully before operating the unit Be sure to operate and handle this amp as it was designed for To this end please heed the instructions in the operator s manual You ll find an additional pamphlet accompanying this owner s manual entitled Instruction for the prevention of fire electric shock or injury of persons Be sure to read it before you plug the preamp in and switch it on 0060 OOO 8000080 O AANAAUONNONAUAOAANUUUCUONONANOUONOANUOUONANAUUONOCORUCCCONCUCETENINHA EEE ENGL Geratebau GmbH Internet www engl amps com Text design grafics photographies and layout by Horst Langer We reserve the right to make unannounced technical upgrades
9. elected V4 ECC 83 12AX7 standard V5 V6 5881 6L6GC matched set Fuses external 1 AT slow at 230 Volts 2 AT slow in the 100 and 120 Volts models internal 1 25 AT slow at 230 Volts 2 5AT slow in the 100 and 120 Volts models Important Replace fuses only against same type and rating Power consumption 155 watts max Dimensions Combo E330 approx 57 5 x 48 x 27 cm 22 6 W x 18 9 H x 10 6 T Head E335 approx 57 5 x 27 x 27 cm 22 6 W x 10 6 H x 10 6 T Weight Combo approx 22 kg 48 4 lbs Head approx 18 kg 39 6 Ibs Tube array Output Transformer v5 v6 v4 V3 v2 v1 Power Transformer Reverb Connector Handling and Care Protect the amp from mechanical knocks tubes Let the amp cool down before you transport it approx 10 minutes Tubes need about 20 seconds to warm up after you switch the power on and furtheron a few minutes before they reach their full power capability Avoid storing the amp in damp or dusty rooms they are hard on jacks switches and potentiometers Make sure air can circulate at the rear and top of the amp to allow for adequate cooling increases component life Never operate the amp without an adequate load Replace tubes with select ENGL replacement tubes special selection criteria to avoid microfonic properties undesireable noise and unbalanced performance OO CO O OOO LULL LLL LLL ELLE LLL LEE L
10. fier without a sufficient load otherwise you may damage or destroy the power amp Ensure your cabinet s specifications match the respective output s specs Possible speaker combinations 1 x 8 ohms or 2 x 16 ohms Jacks 25 and 26 or 1 x 16 ohms Jack 27 or 2 x 8 ohms Jacks 27 and 28 29 Line Out Ground This switch assigns Pin 1 of the XLR socket to ground position Ground to Pin 1 You ll find this option is handy when you want to shield the circuit you have routed to a mixing console or recording device In order to come up with an unbalanced signal e g for feeding the signal to a computer for HD recording purposes you ll need a cord equipped with an XLR connector on one end and an RCA connector or 14 plug on the other Pin 2 is used to carry the signal and Pin 1 as the ground set the switch to the position Ground to Pin 1 With this application an unbalanced circuit you may encounter a ground loop caused by the respective grounds of the two devices which will generate audible hum NOTE Pin 1 of the balanced line may only be connected to ground on one end either at the amp or mixer recording device otherwise it may cause a ground loop which in turn generates undesirable hum 30 Level Signal level control for the frequency corrected line output it is used to match the amp s signal level at the Line output to the mixing console or recorder s input 31 Overload This LED denotes the Line output is overloading in
11. ower amp output The feature to switch between two Master volume levels V L S Lo or Hi can be accessed by means of the respective footswitch connected to jack 19 or 20 Adjust the ratio between the two volume levels with the V L S Ratio pot see chapter 18 14 Stand By Power amp standby switch Use this switch to silence 0 position the amp when you take a lengthier break The amp s tubes stay warm which means that it is ready to roll immediately when you switch it back to full power The standby switch is also well suited for muting the amp for brief breaks for instance when you re switching guitars 15 Power AC power on off Rear Panel M Axcrution AN BALANCED LINE OUTPUT FoorswircH FOOTSWITCH DO NOT OPEN FX Loop ENGU POWERAMP OUTPUT ORT RISK OF ELECTRIC SHOCK DO NOT EXPOSE THIS pe inor 50 COO 00 00 Oz ie SOAP iia m a ee ee mss oy G Broen i I I LET 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 31 16 AC Socket Connect an AC cord here CAUTION Ensure you use an intact AC cord with an insulated plug only Before you power the amp up ensure the voltage value printed beside the AC socket corresponds to the available current 17 AC Fuse Box Contains mains fuse rear chamber and spare fuse front chamber NOTE Ensure replacement fuses bear identical ratings refer to the table 18 V L S Ratio Use this potentiometer
12. terminal Impotant Note You can use standard dual footswitches that connect the mono or stereo contact of the 1 4 jack and its ground An LED that serves as a status indicator can also be connected in series power requirements approx 10 20 milliamperes depending on function In practice though we ve found that not every footswitch by every manufacturer under the sun is compatible If you choose to use the ENGL Z 3 basic plastic version without LED display or ENGL Z 4 rugged metal version with LED display footswitches you won t encounter any compatibility problems A TIP from the Designer If you want to control the amplifier via a MIDI system use jacks 20 and 21 and a Looper or MIDI Switcher e g ENGL Z 11 Use two stereo 1 4 cords to connect the ENGL MIDI Switcher Z 11 optional You can then preset the four switching functions Clean Lead Gain Lo Hi V L S and Reverb via the Switcher store your custom switching setups as different MIDI programs and activate the presets via a MIDI board e g ENGL Z 12 22 F X Loop Send Signal output for the Effects loop Connect this output to a signal processor s input return jack via a shielded cable with 1 4 plugs 23 FX Loop Return Signal input for the Effects loop Connect this input to a signal processor s output send jack via a shielded cable with 1 4 plugs 24 Balance FX mix control for the Effects loop Rotate the knob to the DRY position for the pure amp signal i e no
13. to determine the balance between the two master volume levels We deliberately left the knob off this pot but you can rotate the shaft to dial in the desired preset If you re operating the amp without a footswitch Master Hi high volume mode is active and this pot is disabled You can switch between the Lo and Hi Master volume levels via a standard dual footswitch connected to Jack 21 or via the MIDI Switcher or the Custom Footswitch connected to Jack 19 Turn the pot s shaft clockwise to turn up the Master Lo level 19 Custom Footswitch Port Connect the ENGL Custom Footswitch Z 5 optional to this port Sub D 9 pin This special footswitch lets you activate the four channels directly via dedicated buttons V L S Volume Level Switching and reverb are activated via two additional buttons When the Z 5 footswitch is connected the Clean Lead and Gain Lo Hi buttons on the front panel as well as footswitch Jacks 20 and 21 are disabled 20 Footswitch Clean Lead Gain Lo Hi 1 4 stereo jack for a dual footswitch executes the following functions 1 Channel switching between Clean and Lead mono terminal 2 Gain Lo Hi switches from Clean to Crunch during Clean mode and from Soft Lead to Heavy Lead during Lead mode stereo terminal 21 Footswitch V L S Reverb 1 4 stereo jack for a dual footswitch executes the following functions 1 Switching between the two Master volume levels Hi and Lo mono terminal 2 Reverb on off stereo
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