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U S E R ' S
M A N U A L
Electric Guitar Amplifier
(with AGX™ Technology)
May be covered by one or more of the following: U.S. Patents #4538297, 4647876, 4696044, 4745309, 4881047, 4893099, 5124657, 5263091, 5268527,
5319713, 5333201, 5402498 and 5493617. Other patents pending. Foreign patents pending.
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Summary of Contents for Rocktron Rampage R20
- Page 1 U S E R ' S M A N U A L Electric Guitar Amplifier (with AGX™ Technology) May be covered by one or more of the following: U.S. Patents #4538297, 4647876, 4696044, 4745309, 4881047, 4893099, 5124657, 5263091, 5268527, 5319713, 5333201, 5402498 and 5493617. Other patents pending. Foreign patents pending.
- Page 2 Your Rocktron Rampage R20 electric guitar amplifier has been tested and complies with the following Standards and Directives as set forth by the European Union: Council Directive(s): 89/336/EEC, 73/23/EEC Standard(s): EN55 013: 1990/A12:1994, EN55 020: 1988, EN60 065: 1993, EN60 555-2: 1987, EN60 555-3:...
- Page 3 PRECAUTIONS ................1 Front Panel ..................2 Back Panel ..................3 Specifications................4...
- Page 4 Rocktron Corporation 2870 Technology Drive Rochester Hills, MI 48309 Phone: (248) 853-3055 (248) 853-5937 Fax: World Wide Web: http://www.rocktron.com E-mail: rocktron@eaglequest.com...
- Page 5 PRECAUTIONS NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO PROVIDE YEARS OF TROUBLE FREE USE. THIS UNIT REQUIRES CAREFUL HANDLING. • All warnings on this equipment and in the operating instructions should be adhered to and all operating instructions should be fol- lowed.
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Page 6: Front Panel
Front Panel INPUT jack Connect your guitar output to the 1/4" input jack with a shielded guitar cable. OVERDRIVE GAIN control Adjusts the amount of amplification in the preamp when the OVERDRIVE channel is active. Turn the knob clockwise to increase distortion. -
Page 7: Rear Panel
Rear Panel AGX™ (Automatic Gain Expander) Rocktron's patented AGX™ system solves the long standing problem encountered by guitar players when using high gain distortion. The AGX™ circuit expands the gain of the amplification circuit only when required based on the input level. When no signal is present, the AGX™ circuit expands down the amplifi-... - Page 8 R20 Specifications Model No. Power Output 20 Watts Speaker Parameters 8 " Velocity® High Definition by Rocktron Dimensions 12.5"W x 9"D x 13.8"H (318 x230 x 350mm) Weight 10.82lbs. (4.9Kg) Reverb Spring Power Requirement 100 Volts AC, 50/60Hz or 117 Volts AC, 50/60Hz...
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