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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            replacement tubes (special selection criteria) to avoid 
microfonic properties, undesireable noise and unbalanced performance.

We reserve the right to make unannounced technical upgrades!

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 professional. 
Be sure the unit is switched off and unpluged!  
Caution! Tubes can get very hot and cause skin burns.
Always use high quality cables.
Never operate the amp through 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 to your own. Consult qualified  
service personnel!
Never expose the amplifier to extreme humidity or dampness!
Please read the instructions carefully before operating the unit!
Only operate the amplifier in a manner it is designed for and therefore 
note this operational instructions!    

ENGL Gerätebau GmbH, Germany

Internet: www.engl-amps.com

Text, design, grafics and layout by Horst Langer

Summary of Contents for Thunder 50 Type E322

Page 1: ...Please first read this manual carefully Operator s Manual Guitar Amplifier Thunder 50 ...

Page 2: ...speakers 4 Bass Bottom end voicing control 5 Middle Mid range voicing control 6 Treble Upper range voicing control Thunder 50 is an all tube guitar amp fully loaded with all key features Next to its sonic qualities the beauty of this amp is rooted in simplicity With its uncluttered sensibly arrayed control features the Thunder comes complete with everything you need to dial in first class sound Ha...

Page 3: ...er The standby switch is also well suited for muting the amp for brief breaks for instance when you re switching guitars 12 Power AC power on off Suggested Gain settings for the Crunch channel Remarks and Tips With the settings we ve called Light Crunch and Deep Crunch you can exploit the entire spectrum of the amp s different channels Soft Lead will roughen up the edges of the Clean channel sound...

Page 4: ...cessor is connected to this loop leave this control in position Dry 19 20 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 E320 and E322 its internal speaker here Alternatively two 16 ohm cabinets can also be connected to these two outputs 21 Poweramp Output 16 Ohms serial 16 ohm speaker out connected ...

Page 5: ... stereo cords The buttons on the Switcher control Clean Lead and Crunch Lead If you program the diverse channels to different MIDI program locations you can activate all three channels 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 WRITE MIDI CH...

Page 6: ...on 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 professional Be sure the unit is switched off and unpluged Caution Tubes can get very hot and cause skin burns Always use high quality cables Never operate the amp through an ungrounded outlet Never bridg...

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