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Summary of Contents for Lexicon Signature 284
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Page 1: User Guide
User Guide All Tube Class "A" Stereo Recording Amplifier and Direct Source... - Page 2 Acknowledgement The Signature 284 All Tube Class "A" Stereo Recording Amplifier and Direct Source was designed by John McIntyre, and is custom- manufactured for Lexicon by Actodyne General Inc. Copyright 1998 Lexicon Inc., All Rights Reserved.
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Page 3: Table Of Contents
Power and Standby ... 2 Guitar Input ... 2 Gain ... 2 Getting the Feel of the Signature 284 ... 3 Tone Controls (Bass, Midrange, Treble and Presence) ... 3 Volume ... 4 Getting the Tone You Want ... 5 Rear Panel Connections ... -
Page 4: Limited Warranty
Exclusion of Certain Damages Lexicon's liability for any defective product is limited to repair or replacement of the product, at our option. Lexicon shall not be liable for: 1. Damages based upon inconvenience, loss of use of the product, loss of time, interrupted operation, commercial loss;... -
Page 5: Introduction
The stereo power amp in the Signature 284 uses two EL 84s in a Class A configuration. Its output power is rated at 3 Watts (RMS) per side. (Don’t be put-off by this seemingly small number. -
Page 6: Front Panel Controls
Power switch. After switching the Power on, allow the amp to warm up for 30 seconds or so before switching Standby to On. To protect speakers and other audio equipment connected to the Signature 284 (as well as your ears), switch the amp to Standby before inserting a guitar cord into the input jack. -
Page 7: Getting The Feel Of The Signature 284
Getting the Feel of the Signature 284 Like any classic tube amp, distortion is very dynamic in the Signature 284 — The amount of distortion is controlled by your playing style and dynamics. To get a cleaner sound, play a little lighter instead of changing the amp settings. -
Page 8: Volume
On a typical tube amp the sweet zone where this sonic magic happens doesn’t come in to play until the amp is cranked past 7 or so. Because the Signature 284 is designed with an extended sweet zone, you’ll find that even with clean preamp settings, the power amp begins to add it’s own character to the tone as the... -
Page 9: Getting The Tone You Want
7 or so to push the power amps harder. You’ll notice that the amount of “sag” (power amp compression) increases as you turn the Volume controls beyond 5. When set up this way, the Signature 284 is most responsive to nuances of touch and style — the tone is totally authentic, the voice is yours alone. -
Page 10: Rear Panel Connections
(You can, for example, connect an 8 Ohm cabinet to the left and a 4 Ohm cabinet to the right.). Although the Signature 284 uses a low power design, it has plenty of power to drive any 1 or 2 speaker guitar cabinet rated at 4 or 8 Ohms. (4x12 half-stacks that can be split for stereo also sound great.) As the type of cabinet has a big... -
Page 11: Effects Loop
1. Turn both the input and output of the effect all the way down and bypass the effect. 2. Connect the right send of the Signature 284 to the mono (or right) input of the effect. Rear Panel Connections Once levels are set and matched, connect the left side of the loop. -
Page 12: Stereo Loop Examples
5. Turn up the effect input control to optimum level. 6. Set the Right Volume control of the Signature 284 to the same position as the Left Volume. (No sound will be heard from the right side yet.) 7. -
Page 13: Dual Mono Effect
Signature 284 User Guide Inserting Two Mono Effects processors in parallel in the Signature 284 Effects Loop The Left channel has Effect 1 only; the Right channel has Effect 2 only. Inserting a Mono Effect in the Signature 284 Effects Loop... -
Page 14: Split Loop Examples
Creating a Split Loop with a Mono Effect inserted in the Signature 284 Effects Loop Your guitar can be connected to the Signature 284 via either the front or rear panel input jacks. The rear panel input is provided as a convenience for custom installations. -
Page 15: Applications
Signature 284 User Guide The Signature 284 is different from most amps in that it is optimized for recording vs. on-stage performance. Its low output power amp makes it possible to achieve great tone at low volume levels. Keep this in mind in situations where you need lots of on stage volume and remember to set the controls to produce the tone you want —... -
Page 16: Low Volume Live Setup
Applications Lexicon Low volume live setup High volume live direct High volume live slave... -
Page 17: Example Settings
Signature 284 User Guide Here are some settings for you to try. Guitar and pickup types are shown if they contribute significantly to the sound. Clean Stratocaster/Neck pickup Clean Funk Stratocaster/Bridge and Neck pickups Clean Country Stratocaster, Telecaster Jazzy Single-coil, Humbucker... - Page 18 Applications Texas Blues Stratocaster/ Neck 80's Marshall Humbucker (Bridge) High Gain Humbucker (Neck and Bridge) Singing Lead Stratocaster/Neck 10 One Size Fits All Any pickup, any type music (Use guitar volume control to go from Clean to High Gain) Lexicon...
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Page 19: Using The Signature 284 With Non-Guitar Sources
Slave outputs have no compensation circuit and therefore a flatter overall signal response.) The small size and big tone of the Signature 284 make it a perfect harp amp. In fact, the Signature 284 can be the center piece of the ultimate jamming rig. All you need are your harps, a high-impedance microphone and the Signature 284, and you're ready to sit in. -
Page 20: Vocals
Connect the stereo outputs of the processor to the stereo effects returns of the Signature 284. Set the Volume controls to 5 or less. Different results will be obtained from the Slave and Recording outputs - be sure to compare. -
Page 21: Precautions And Maintenance
Signature 284 User Guide The Signature 284 requires no maintenance. It is, however, good electrical practice to clean all connectors once a year. An occasional dusting of the exterior surface with a soft cloth helps maintain the unit's finish. Do not use any abrasive chemicals or cleaners as these will damage the surface. -
Page 22: Specifications
Separate ground lift switches (push for ground lift) Slave: 2 x 1/4” unbalanced, +4dB No compensation Dimensions: 19.0” x 3.50” x 10.5” 19” rack mount standard, 2U high Weight: 24 lbs Power: 115 VAC, 60Hz, 100 Watts Safety Compliance: CLA (City of Los Angeles) Lexicon... - Page 23 Lexicon Inc. 3 Oak Park Bedford MA 01730-1441 USA Telephone 781-280-0300 Fax 781-280-0490 www.lexicon.com Lexicon Part # 070-12856...
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