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Related Manuals for Oldfield Amplifiers Dual 40
Summary of Contents for Oldfield Amplifiers Dual 40
- Page 1 Oldfield Amplifiers User Guide Dual 40 - 6740...
- Page 2 Thank You Welcome to the Oldfield family and thank you for putting your trust in Oldfield Amplifiers. We value that trust as much as we feel confident you will enjoy your new Oldfield amplifier. Your new Oldfield amplifier is built to provide you with the best tonal experience and durability available in a guitar amplifier.
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Page 3: Table Of Contents
Table Of Contents Important Safety Instructions.............4~5 Overview....................6 Front Panel Controls And Features............7 Rear Panel Controls And Features………………………………….……8 Tube Layout…………………………………….……………………………9 Warranty…………………………………………………………..….…….10 Operational Notes………………………………………………..….…….11... -
Page 4: Important Safety Instructions
Important Safety Instructions Δ For your safety read, retain, and follow all instructions. Heed all warnings. Δ Only connect the power supply cord to an earth-grounded AC receptacle. This amplifier is designed to operate on standard North American 115V AC and should only be plugged in to a receptacle meeting those specifications. - Page 5 Δ CAUTION: By nature vacuum tubes get very hot during operation. Do not touch vacuum tubes until they have sufficiently cooled. Δ Oldfield amplifiers are capable of producing very high sound pressure levels which may cause temporary or permanent hearing damage. Use care when setting and adjusting volume levels during use.
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Page 6: Overview
Overview Congratulations on your purchase of a new Oldfield Dual 40 amplifier. The Dual 40 is capable of producing a vast array of tones with its two channels and expanded functionality. The Dual 40 is well suited for just about any style of music and any playing situation. -
Page 7: Front Panel Controls And Features
Front Panel: Controls And Features (Reference the front panel viewing left to right) 1. Amplifier Input: Connect your instrument 9. Channel Two Treble: Rotating the control with a proper instrument cable to the Amplifier clockwise will increase the high end frequency Input jack. -
Page 8: Rear Panel Controls And Features
Rear Panel: Controls And Features (Reference the front panel viewing left to right) 1. Fuse: Replace only with a 3A slo-blo jacks can be used at the same time to drive fuse. Never install a larger fuse than specified. multiple cabinets. Do not connect a combined Failure to install the properly rated fuse could speaker load less than 4ohms or greater than result in damage to the amplifier. -
Page 9: Tube Layout
RECTIFIER TUBE: 5R4. Replace only with high quality 5R4 (or compatible) tube. POWER TUBES: EL34 (x2). Replace only with a high quality matched duet of EL34 tubes. The Dual 40 is a fixed biased amplifier and therefore will need to be re-biased when changing output tubes. - Page 10 Footswitch Controller 1. Channel Selector: Stomp the Channel footswitch to switch the Dual 40 between channels. When the amplifier is operating on channel one the indicator light is turned on. The amplifier panel switch must be in the channel 2 position in order for the footswitch to work.
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Page 11: Warranty
Warranty The following warranties apply to the original owner of the amplifier. All warranty work must be performed by Oldfield or an authorized technician for the warranty to be in effect. Warranties do not cover normal wear and tear or abuse. Failure to comply with the safety precautions outlined earlier in the owner’s manual will void all warranties. -
Page 12: Operational Notes
Operational Notes The Oldfield Dual 40 amplifier offers the player a lot of functionality and at first glance can appear to be somewhat complicated to operate. A little experimentation goes a long way to understanding all the tones hidden inside your Dual 40 so don’t be afraid to flip some switches and twist some dials to broaden your understanding.
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