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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 May Enforce the Warranty
This warranty may be enforced by the original purchaser and subsequent owners during the warranty period,
so long as the original dated sales receipt or other proof of warranty coverage is presented when warranty
service is required.

What is Covered and What is Not Covered
Except as specified below, this warranty covers all defects in material and workmanship in this product. The
following are not covered by the warranty:

1. Damage resulting from:

A. Accident, misuse, abuse, or neglect.
B. Failure to follow instructions contained in your Owner's Manual.
C. Repair or attempted repair by anyone not authorized by Lexicon.
D. Failure to perform recommended periodic maintenance.
E. Causes other than product defects, including lack of skill, competence, or experience of user.

2. Damage occurring during any shipment of this product (claims must be presented to the carrier).
3. Damage to any unit which has been altered or on which the serial number has been defaced,

modified, or removed.

What We Will Pay For
We will pay all labor and material expenses for covered items. Payment of shipping charges is discussed in
the next section of this warranty.

How You Can Get Service
If your unit needs service, please write or telephone us and we will advise you where the unit should be taken
or sent. If you write us, include your name, complete address, daytime telephone number and description of
the problem(s). Please do not return your unit to the factory without our prior authorization.

If it is necessary to ship the product for service:

A. You must pay for any initial shipping charges, but if the necessary repairs are covered by the warranty,

we will pay the return shipping charges via a carrier of our choice to any destination within the United
States.

B. The unit should be packed securely, and we suggest that it be insured.
C. Do not include accessories such as power cords or manuals.

Whenever warranty service is required, a copy of the original dated sales receipt must be presented.

Limitation of Implied Warranties
Any implied warranties, including warranties of merchantability and fitness for a particular purpose, are
limited in duration to the length of this 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; or

2. Any other damages, whether incidental, consequential, or otherwise.

How State Law Relates to the Warranty
Some states do not allow limitation on how long an implied warranty lasts and/or do not allow the exclusion or
limitations of incidental or consequential damages, so the above limitations may not apply to you.

This warranty is not enforceable outside of North America. This warranty gives you specific legal rights, and
you may also have other rights which vary from state to state.

Summary of Contents for Signature 284

Page 1: ...User Guide All Tube Class A Stereo Recording Amplifier and Direct Source ...

Page 2: ...e 284 save all packing materials in case you ever need to ship the unit Thoroughly inspect the unit and packing materials for signs of damage Report any shipment damage to the carrier at once report equipment malfunction to your dealer 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...

Page 3: ...el Matching 7 Stereo Loop Examples 8 Dual Mono Effect 9 Mono Loop Example 9 Split Loop Examples 10 Rear Panel Guitar Input 10 Applications 11 General Notes 11 Direct Recording 11 Recording with Directs and Microphones 11 Low Volume Live Setup 12 High Volume Live Direct 12 High Volume Live Slave 12 Example Settings 13 Using the Signature 284 with non Guitar Sources 15 Power Amp for Tube Warmth 15 H...

Page 4: ...rvice please write or telephone us and we will advise you where the unit should be taken or sent If you write us include your name complete address daytime telephone number and description of the problem s Please do not return your unit to the factory without our prior authorization If it is necessary to ship the product for service A You must pay for any initial shipping charges but if the necess...

Page 5: ... bleeding into the drums and the vocal mics and you can forget about playing that loud at home The good news is that the Signature 284 was designed to solve this problem by delivering the touch and tone of a cranked up amp without the bone crushing volume It uses a low wattage power section so when you crank it up to the point where the magic happens the volume level is relatively low The stereo p...

Page 6: ...period of time more than an hour or so switch to Standby and turn Power off Guitar Input jacks are provided at both the front and rear Select one of these for your guitar input The rear panel input is provided as a convenience for custom installations the input at the front panel overides any input at the rear panel This is the preamp input sensitivity control It controls the amount of preamp over...

Page 7: ... playing what you feel Tone Controls Bass Midrange Treble and Presence The tone controls on the Signature 284 are very powerful even small adjustments can make big changes to the sound There are no wrong settings Whatever sounds good is right Eachcontrol coversa differentbandoffrequencies Bass Midrange andTreble are independent changes made to one will not effect the others The effect of the Prese...

Page 8: ...s own character to the tone as the Volume controls are turned up past 5 It is important to realize that the Volume controls of the Signature 284 should be used to dial in tone not loudness The low power design is one of the main features that makes this a superb recording amp and direct source When connected to a recording or PA mixer loudness is determined at the console fader settings monitor se...

Page 9: ...ormal mode pushed in but crank it up to 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 For tones that emphasize the Class A characteristics of the power amp...

Page 10: ...when using the amp without speakers The slave outputs carry post power amp signals attenuated to line level 4dB unbalanced Their primary purpose is to provide a means of getting more on stage volume for live use by driving a stereo slave power amplifier connected to guitar cabinets As these outputs are derived from the power amp outputs they carry the voice and tone of the whole amp exactly as sen...

Page 11: ...the preamp Use the RIGHT return only In recording situations where you are tracking with effects be sure to listen with the effects in the loop There s a big sonic difference between inserting effects like delay chorus flange reverb etc in the effects loop of a guitar amp and adding them at the console When inserted in the loop the amp speaker or speaker simulators add warmth compression and some ...

Page 12: ...lume control of the Signature 284 to the same position as the Left Volume No sound will be heard from the right side yet 7 Turn up the effect output control until the left level matches the right The effects unit is now properly set 8 Connect the second channel of the effect to left side of the loop Rear Panel Connections Inserting a Stereo In Stereo Out processor in the Signature 284 Effects Loop...

Page 13: ...ions Inserting Two Mono Effects processors in parallel in the Signature 284 Effects Loop Dual Mono Effects Inserting a Mono Effect in the Signature 284 Effects Loop The Left channel has Effect 1 only the Right channel has Effect 2 only You must use the Left Return ...

Page 14: ...t the balance during the mix Youcanalsothinkofthisasamonoparallel loop The rightchannel isunaffected guitar tone the left channel is the effects level Split Loop Examples Rear Panel Guitar Input 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 Plugging into the front panel inp...

Page 15: ...o dial in the amount of power amp distortion you want in your sound Set your levels at the channel fader s of the console In most live situations you ll need to reinforce the loudness of the 284 The slave amp and recording outputs are provided for that purpose Use the recording outputs to feed the mixing console Reinforce the front of house and stage monitor mixes from the console as you would wit...

Page 16: ...Lexicon 12 Low volume live setup High volume live direct High volume live slave Applications ...

Page 17: ...ngs for you to try Guitar and pickup types are shown if 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 Vox Humbucker Bridge ...

Page 18: ...s 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 ...

Page 19: ...eady to sit in When using the Signature 284 as a harp amp you ll find that it has more than enough gain for even the raunchiest tone To start out keep things pretty clean Gain pushed in and set to 3 4 Left and Right Volume at around 5 To add more grit and compression experiment with the effect of raising either the Gain control for more preamp distortion or the Volume controls for more power amp d...

Page 20: ...ontrols to 5 or less Different results will be obtained from the Slave and Recording outputs be sure to compare Re amping a guitar track means to take a previously recorded guitar track and process it through a guitar amp This is not often done but sometimes it s nice or necessary to go back and change the settings on the amp after the track has been laid down The best way to do this is to record ...

Page 21: ...ture 284 contains no user serviceable parts Refer all service to qualified technical personnel Do not expose amplifier to moisture rain water direct sunlight or extreme temperatures Connectamplifieronlyto anAC powersupplythatmeetsthe specifications listed on the rear of the unit Always ensure that the amplifier is properly grounded Make sure that the amplifier has adequate air circulation near the...

Page 22: ...uts Speakers Left 8 4 Ω Right 4 8 Ω Separate passive loads for left and right speaker outputs Recording 2 x XLR balanced 4dB Compensation separate speaker simulators smooth bright Separate ground lift switches push for ground lift Slave 2 x 1 4 unbalanced 4dB No compensation General 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 Compl...

Page 23: ...Lexicon Part 070 12856 Lexicon Inc 3 Oak Park Bedford MA 01730 1441 USA Telephone 781 280 0300 Fax 781 280 0490 www lexicon com ...

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