Related Manuals for Engl Retro Tube
Summary of Contents for Engl Retro Tube
- Page 1 Retro Tube Full Tube Guitar Amplifier Operator´s Manual Please, first read this manual carefully!
- Page 2 Tube Tube Technology Technology...
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Page 3: Table Of Contents
Table of Contents page Introduction Features and Functionality at a Glance special notes, Contents Front Panel Features: 6, 7 Preamp section: Input, Channel 1 - Control Features Preamp section: Channel 2 - Control Features 8, 9 Gain Boost, Channel 1< >2 selection 9, 10 Power Amp section: Master A and Master A/B feature, Stand By Power switch... - Page 4 Congratulations and thank you for choosing the ENGL Retro Tube amp! It's all in the name: The Retro Tube line is a new generation of ENGL amps that dips into a deep well of classic sounds. Plug in and you will be able to pull up the typical tones of the iconic guitar heroes who wrote the book on rock.
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Page 5: Features And Functionality At A Glance
Your ENGL Retro Tube Amp puts at your disposal: 1. a logical control feature array, utmost ease of use remarkably intuitive handling with two channels Top-shelf sound-shaping options remarkable versatility and different voicings. Channel 1 features a Bright sound switch; Channel 2 features the Tone sound option for a precise sound tuning of mid frequencies. -
Page 6: Special Notes, Contents
It is equipped with several safety features that require further explanation to prevent malfunctions. Contents: 1. ENGL Retro Tube Amp Head type E765 - 100 watts or type E762 - 50 watts; 2. mains cord; 3. this manual; 4. Two interchangeable front panel frames, one in red ("Rocking Red") - Page 7 If you want just a touch of preamp overdrive, I recommend the following settings for single-coil pickups: Set the Gain knob between 7 and 10 and deactivate Gain Boost. For humbuckers, set the knob between 5 and 8 to get moderate overdrive. Then when you need a grittier tone perfect for playing rock riffs, all you have to do is activate the Gain Boost in Channel 1.
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Page 8: Preamp Section: Channel 2 - Control Features
RetroTube amp's FX loop, you can reduce the level at the FX Loop Send jack (30) to somewhere between -20 dB and -10 dB by setting the two channel Volume knobs between 1 and 4. Older effects pedals usually don't handle high input levels well. Even a -10 dB signal can cause undesirable distortion. -
Page 9: Gain Boost, Channel 1< >2 Selection
S.A.C. Port (21) or via a footswitch connected to jack 24. For even greater convenience, you could also use the optional ENGL Z-9 Custom Footswitch to select the two channels in combination with the two Gain Boost stages directly by simply tapping the Z-9's four channel-switching buttons. - Page 10 – very practical for shaping tone and controlling volume on the fly at gigs. Note that the four channel switches on the ENGL Z-9 foot controller let you access Channel 1 and Channel 2, and each directly in combination with Gain Boost and Master A/B modes.
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Page 11: Rear Panel Features
To learn if a given feature may be controlled remotely, refer to its description herein. You'll find a configuration table showing the Retro Tube Amp's functions on page 23. The ENGL Z-9 Custom Footswitch is optional. - Page 12 Use this ¼" (6.3 mm) stereo jack to connect a conventional footswitch with two switching functions, for example, the ENGL Z-4 (2 x off/on - Single Pole Single Throw or SPST for short). This type of footswitch lets you access...
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Page 13: Power Amp Section: Power Tube Fuse (P.t.f.)
25 Power Tube V8 Fuse (Retro Tube 50 Amp - E762: Power Tube V6 Fuse ) A fuse in the rear chamber of this fuse drawer protects the V8 (Retro Tube 50: V6) power tube. It is designed to blow in the event of an electrical problem with tube V8 (Retro Tube 50: V6). -
Page 14: 29 Noise Gate Threshold Level
In addition the Noise Gate can be controlled remotely (on/off) via a footswitch connected to jack 22 (for details refer to chapter 22) or via the ENGL Custom Footswitch Z-9 (refer to chapter 21 for details). If you want to control the Noise Gate remotely via footswitch, you must set the Threshold knob to 10 o'clock or beyond. -
Page 15: Fx Loop: Send, Return, And Balance
1/4" plugs. The FX Loop can be controlled remotely (: on/off) via a footswitch connected to jack 22 (for details refer to chapter 22) or via the ENGL Custom Footswitch Z-9 (refer to chapter 21 for details). In the signal path, the... -
Page 16: Power Amp Section: Poweramp Output 4, 8 16 Ohms
34 Power Tube V6 Fuse (Retro Tube 100 Amp - E765) A fuse in the rear chamber of this fuse drawer protects the V6 (Retro Tube 100) power tube. It is designed to blow in the event of an electrical problem with tube V6 (Retro Tube 100). -
Page 17: Handling And Care
Running the amp at mains voltages exceeding the nominal mains input voltage over longer periods can also shorten component life. * Replace tubes with selected tubes that satisfy ENGL selection criteria to forestall microphonic properties, undesirable noise and unbalanced power amp signals. -
Page 18: Troubleshooting
* The amp fails to respond when you try to control switching functions remotely using a footboard such as the Z-4 or a MIDI switcher such as the ENGL Z-11. -> Are the footboards or switching loops connected to the corresponding footswitch jacks (22, 23, 24)? ->... - Page 19 -> You may be looking at a faulty tube or another defect. In this case, be sure to take the preamp to an authorized, professional service center. * The speaker is emitting humming noises: -> Is there a connection (for example, via a shielded circuit) between the amp and another device that is grounded via a power plug of its own? Two or more circuits sharing a common electrical ground line can cause audible hum.
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Page 20: Detailed Specifications And Ratings
AT89C2051 µC with internal 2K Flash Memory Processor, software: for software source code; Upgradeable with external Programmer; System interface: Proprietary ENGL asynchronous data protocol Serial Amp Control (S.A.C.) approx. 71 x 27 x 27 cm (l x h x d);... - Page 21 Tube Map: E762: Mains Transformer E765: Output Transformer amp chassis as viewed from above; Input Input Front panel the tubes and their function: V1 - ECC83 (12AX7): input stage, 2. gain stage; grade: FQ selected V2 - ECC83 (12AX7): Channel 2 driver stage, 4. stage; grade: selected V3 - ECC83 (12AX7): FX buffer stage, poweramp driver stage;...
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Page 22: Remote Control Options
Gain Boost simply by tapping the four channel switching buttons, and lets you control two special functions, for example, Tone and FX Loop. As an alternative to the Z-9 footswitch, you can also connect the ENGL Z11-S.A.C. MIDI Switcher (S.A.C. Out) to the amp's S.A.C. Port for use as a MIDI interface. - Page 23 Column 1 lists the Function button on the Z-9. Column 2 lists the sound-shaping and special functions that can be assigned to it. Column 2 lists sound-shaping and special functions on the ENGL Retro Tube Amp that can be controlled remotely via the Z-9 Custom Footswitch.
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Page 24: Mounting Instructions: Front Panel Frame
Mounting Instructions: front panel frame CAUTION: Switch the amp off and pull the mains plug before you remove the front panel frame! Remove the front panel frame: pull the front panel frame (without the grille!) until the locking mechanism unlatches; raise it slightly then remove it from front of the Amp. - Page 25 Mounting Instructions: front panel frame Fix the clasps on the front panel frame: boreholes for the clasps; place the first clasp; attach this clasp with two screws; tighten the screws carefully; assemble the second clasp in the same way on the opposite side of the hole.
- Page 26 Mounting Instructions: front panel frame CAUTION: Switch off the amp and pull the mains plug before you fit the front panel frame! Install the front panel frame: insert the bottom part of the front panel frame in the two milling grooves located at the base panel of the amp's housing;...
- Page 27 Space for User Notes:...
- Page 28 Tube Tube Technology Technology Gerätebau GmbH Germany Internet: http://www.engl-amps.com Text, design, graphics, Amp photo and layout by Horst Langer, Amp Designer...
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