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Lexicon 284 - page 1
User Guide All Tube Class "A" Stereo Recording Amplifier and Direct Sour ce ...
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Lexicon 284 - page 2
Lexicon Inc. • 3 Oak Park • Bedford MA 01730-1441 USA • Tel: 781-280-0300 • Fax 781-280-0490 • www.lexicon.com Lexicon Part # 070-12856 Copyright 1998 Lexicon Inc., All Rights Reserved. Unpa cking and Inspection After unpacking the Signatu re 284, save a ll packing materials in case you ever need to ship the unit. Thoroughly inspect t ...
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Lexicon 284 - page 3
Introduction ..................................................................................... 1 Front Panel Controls ......... ............................................................... 2 Power and Standby ................. ............................................................... 2 Guitar Input ................. ................... ...
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Lexicon 284 - page 4
Limited Warranty Lexicon Incorporated offers the following warranty on the Signature 284 Amplifier. Duration of the Warranty This warranty will remain in effect for one (1) year from the date of original purchase. Tubes provided with the original unit are warranted to be free from defects for six (6) months from the date of original purchase. Who M ...
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Lexicon 284 - page 5
Signat ure 284 Us er Guide 1 Introduction You know the m oment — the one where the volume is cranke d to the limit and the g uitar player looks a s tho ugh his guita r might be p laying h im — as though they're locked in some ritual combat in another zone entirely. Well, this trip doesn't require illicit drugs, a rare coincidence of z ...
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Lexicon 284 - page 6
Lexicon 2 Power and Standby As w ith any tube amp, you’ll get the longest life from the tubes by u sing the P ower and Standby controls properly. The Standby switch shou ld be in the stan dby position be fore tur ning the amp on with the Power switch. After switching the Power on, allow the amp to warm up for 30 seconds or so before switching Sta ...
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Lexicon 284 - page 7
Signat ure 284 Us er Guide 3 Front Panel Controls Getting the Feel of th e Signature 284 Like any classic t ube a mp, distortion is very d ynamic in t he Sig nature 284 — The amount of distor tion is controlled b y your pl aying style a nd dynamics. To get a cleaner sound, play a little l ighter instead of changing th e amp settings. To get more ...
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Lexicon 284 - page 8
Lexicon 4 The left and righ t volume contr ols are maste r input level con trols fo r the Class “A” stereo power a mp. These controls determine loudn ess, but, more imp or- tantly, they control th e quality of the power amp’s contribution to the overall tone . Many vintag e amps have no master volume control — th e input control sets both p ...
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Lexicon 284 - page 9
Signat ure 284 Us er Guide 5 Getting the Tone Yo u Want The sonic signat ures of many different guitar sounds ar e based on power amp behavi or as much as preamp gain and tone settings. For m odern high gain t ones, use G ain Boost (pull out t he Gain knob) to get lots of prea mp di stortion, b ut kee p th e p ower amps clean b y set ting the knob ...
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Lexicon 284 - page 10
Lexicon 6 You can drive a ny combination of 8 ohm and 4 oh m guita r cab inets fro m these connectors. Be sur e that the ohm selector switch match es the rat ing for the connected cab inet. (You can, fo r example, connect an 8 Ohm cabin et to the l eft and a 4 Ohm cabinet to the right.). Although the S ignature 284 uses a low power desig n, it ha s ...
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Lexicon 284 - page 11
Signat ure 284 Us er Guide 7 The E ffects Loo p is i nstrum ent l evel (-20dB instru ment level) to allow use of stomp boxes or studio gear in the loop. The sends both carry the same signal (“ y” cord from the preamp o ut). The re turns are wired for stereo, mono, or parallel (split) operation: STEREO F or use with a single ste reo effects proc ...
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Lexicon 284 - page 12
Lexicon 8 Stere o L oop Exa mples 3. Connect the mono (or right) output of the effect to th e right r eturn of the Signature 284. 4. Set the gu itar, p reamp a nd the Left Volume co ntrol o f the Signature 284 for your loudest playing. 5. Tur n up the effect inp ut control to optimum level. 6. Set the Right Volume control of the Signa ture 284 to t ...
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Lexicon 284 - page 13
Signat ure 284 Us er Guide 9 Mono Loop Exam ple Rear Panel Connections Inserting Two Mono Effects processor s in parallel in t he Signature 284 E ffec ts Loop Dual Mono Effects Inserting a Mono E ffect in t he Signature 284 E ffec ts Loop The Left channel has Effect 1 only; the Right channel has Effect 2 only. You must use the Left Return. ...
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Lexicon 284 - page 14
Lexicon 10 In a mono si tuation (live or laying down a mono track), try run ning the effects through only t he r ight si de (100% wet). T his allows yo u to ha ve two guitar feeds. The left is to tally d ry guitar, th e r ight is gu itar effects. In a live situation, this gives you the flexibility of adjusting the dry/effect bala nce from the conso ...
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Lexicon 284 - page 15
Signat ure 284 Us er Guide 11 The S ignatu re 284 is diff erent from most amps in that it is optimized for recording vs. on-stage performance. Its low output power amp makes it possible to achieve g reat ton e at low volume levels. K eep t his in mind in situations where you ne ed lots of o n stag e volume and remember to set th e cont rols to prod ...
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Lexicon 284 - page 16
Lexicon 12 Low volum e live setup High volume live direct High volume live slave Applications ...
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Lexicon 284 - page 17
Signat ure 284 Us er Guide 13 Example Settings Applications Here are some settings for you to try. Guitar and pickup types are shown i f they contribute significantly to the sound. 1 Clean Stratocaster/Neck pickup 2 Clean Funk Stratocaster/Bridge and Neck pickups 3 Clean Country Stratocaster, Telecaster 4 Jazzy Single-coil, Humbucker 5 60's Vo ...
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Lexicon 284 - page 18
Lexicon 14 Applications 6 Texas Blues Stratocaster/ Neck 7 80's Marshall Humbucker (Bridge) 8 High Gain Humbucker (Neck and Bridge) 9 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) ...
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Lexicon 284 - page 19
Signat ure 284 Us er Guide 15 Power Amp for Tube Warmth Using the Sign ature 28 4 with non -Guitar Sour ces Applications Although desi gned pri marily for guitar, the Si gnatu re 284 can be quite use ful for processing oth er sources. Its rack moun t design, effects loop, multiple stereo outputs and the ability to operate with no speakers connected ...
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Lexicon 284 - page 20
Lexicon 16 Applications Looking for a more radical effect than can be obtained with a tub e mic preamp? Depending on how drast ic you want to be, run the vocal through either the Guitar input (easy on the gain!) or the effects return. Here a gain, the Signat ure 284 ha s some thing to offe r as an alter native way to process a source. There a re se ...
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Lexicon 284 - page 21
Signat ure 284 Us er Guide 17 Precautions and Maintenance General Maintenance The Signature 28 4 requi res no m aintenance. It is, howe ver, good electrical practice to clean all connecto rs once a year. An occasional dusting of the exterior surface with a soft cloth helps maintain the unit's finish. Do no t u se an y ab rasive chemicals or cl ...
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Lexicon 284 - page 22
Lexicon 18 Preamp Tubes: 3 x 12AX7 Gain: pull for boost Tone Controls: Bass, Midrange, Treble, Presence Effects Loop Stereo send: 2 x 1/4” unbalanced, -20dB Stereo return: 2 x 1/4” unbalanced. -20dB Power Amp Type: Stereo, Class “A” Tubes: 2 x EL 84 Power: 2 x 3 Watts RMS Controls: Left Volume, Right Volume Outputs Speakers: Left (8/4 Ω ) ...
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Lexicon 284 - page 23
Lexicon Part # 070-12856 Lexicon Inc. 3 Oak Par k Bedford MA 01730-1441 USA Telephone 781-280-0300 Fax 781-280-0490 www.lexicon.com ...
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