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Duncan 84-50 Tube Owner's Manual

Tube guitar amplifier

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84-50 TUBE AMPLIFIER
SEYMOUR DUNCAN
OWNER'S MANUAL
5427 Hollister Ave.
Santa Barbara, CA. 93111
Ph. 805.964.9610
Fax 805.964.9749

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Summary of Contents for Duncan 84-50 Tube

  • Page 1 84-50 TUBE AMPLIFIER SEYMOUR DUNCAN OWNER'S MANUAL 5427 Hollister Ave. Santa Barbara, CA. 93111 Ph. 805.964.9610 Fax 805.964.9749...
  • Page 2 Boost #1 - +6 dB @ 1khz Boost #2 - +8 dB @ 1kflz Crunch Boost - +8 dB @ 6kHz Speaker Options: Seymour Duncan King Tone Classic 12" (50 Watt) Seymour Duncan King Tone Classic 10" (50 Watt) X 2 Voltage Requirements: I 00v - Japan 120v - U.S., Canada...
  • Page 3 Congratulations on your purchase of the Seymour Duncan Research 84-50 Tube guitar amplifier. The 84-50 is the product of an intense research and development effort. Our object was to provide guitarists with an affordable, all-tube amplifier, which sounded great. The 84-50 is based on classic principles of tube guitar amplifier design. An all-tube preamp drives a quartet of EL-84 power tubes, which provide the sweetest, most musical tone possible.
  • Page 4 PERFORMANCE APPLICATIONS AND GUIDELINES The name of the 84-50 Tube amp reflects its design - the amp uses a quartet of EL-84 type tubes to produce 50 watts of power. The EL-84 tube was chosen specifically for its rich, sweet tone qualities, especially when pushed to distortion.
  • Page 5: Effects Loop

    6kHz for added definition and bite to your dirty sound. TONE TIP Your 84-50 Tube will get the richest, most dynamic tone when the power amp section is working hard; i.e. when the master volume control is up around 4 or 5. With the preamp volume around 6-7 and the master at 4-5, the 84-50 Tube will produce a punchy "clean"...
  • Page 6 IMPORTANT: In order for the Quadra tone Footswitch to have full control over the various functions, make sure the amp is in the green (clean) channel and all Boosts and Crunch are off (pushed in) on the front panel. Then simply plug the Programmable Footswitch into the "4 Function"...
  • Page 7: Sample Settings

    Sample Settings Note: This combination uses the red channel only. GainBoost2 and Crunch Boost are pulled to achieve "Scorching Lead." To achieve remote switching between these sounds, a Quadra Tone programmable footswitch must be used.
  • Page 8 Note your favorite 84-50 Tube Tones:...
  • Page 9 84-50 Tube Amp Rear Panel 1. Primary fuse - for 100V & 120V operation, use a 2A/250V slo-blo - for 220V & 240V operation, use a 1A/250V slo-blo 2. AC cord 3. 4 ohm speaker output 4. 8 ohm speaker output.
  • Page 10: Maintenance

    THERE ARE NO USER SERVICEABLE PARTS INSIDE. If your amp requires ser-vice, contact the Seymour Duncan factory for the name of your nearest Authorized Service Center. PLEASE NOTE: WE CANNOT ACCEPT UNITS SHIPPED TO THE FACTORY WITHOUT A RETURN AUTHORIZATION NUMBER.
  • Page 11: Troubleshooting

    Seymour Duncan Service Center, or call (805) 964-9610 for a Return Authorization number. No units will be accepted by Seymour Duncan without an RA number.
  • Page 12 Seymour Duncan factory, at the address below or to a Seymour Duncan Authorized Service Center. In the event a product is to be returned to the Seymour Duncan Factory for repairs, A RE7URN AUTHORIZATION MUST BE OBTAINED PRIOR TO SHIPPING BY CALLING OR WRITING THE COMPANY FOR THE RA NUMBER.