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WARNING:

 When using electrical products, basic cautions should always be followed, including the following:

1. 

Read these instructions. 

2. 

Keep these instructions safe.

3. 

Heed all warnings.

4. 

Follow all instructions.

5. 

Do not use this apparatus near water. 

6. 

Clean only with a dry cloth.

7. 

Do not block any of the ventilation openings. Install in accordance with manufacturer’s instructions. 

8. 

Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including  amplifiers) that produce heat.

9. 

Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider 

than the other. A grounding type plug has two blades and a third grounding plug. The wide blade or third prong is provided for your safety. If the provided 
plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 

10. 

Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point they exit from the apparatus.

11. 

Only use attachments/accessories provided by the manufacturer.

12. 

Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when 

moving the cart/apparatus combination to avoid injury from tip-over.

13

Unplug this apparatus during lightning storms 

or when unused for long periods of time.

14. 

Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as when power-supply 

cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not 
operate normally, or has been dropped.

15. 

Never break off the ground pin. Connect only to a power supply of the type marked on the unit adjacent to the power supply cord.

16. 

If this product is to be mounted in an equipment rack, rear support should be provided.

17. 

Note for UK only: If the colours of the wires in the mains lead of this unit do not correspond with the terminals in your plug‚ proceed as follows:

    a) The wire that is coloured green and yellow must be connected to the terminal that is marked by the letter E‚ the earth  symbol‚ coloured green or
         coloured green and yellow.
    b) The wire that is coloured blue must be connected to the terminal that is marked with the letter N or the colour black.
    c) The wire that is coloured brown must be connected to the terminal that is marked with the letter L or the colour red.

18.

This electrical apparatus should not be exposed to dripping or splashing and care should be taken not to place 

objects containing liquids, such as vases, upon the apparatus.

19. 

Exposure to extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably in 

susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently 
intense noise for a sufficient time.
    The U.S. Government’s Occupational Safety and Health Administration (OSHA) has specified the following 
permissible noise level exposures: According to OSHA, any exposure in excess of the above permissible limits could 
result in some hearing loss. Earplugs or protectors to the ear canals or over the ears must be worn when operating 
thisamplification system in order to prevent a permanent hearing loss, if exposure is in excess of the limits as set forth 
above. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all 
persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be 
protected by hearing protectors while this unit is in operation.

An apparatus with Class I construction shall be connected to a mains socket outlet with a protective connection. Do not defeat the safety purpose of the 

polarized or grounding-type plug.

The mains plug or appliance coupler is used as the disconnect device and shall remain readily operable.

 

The user should allow easy access to any 

mains plug, mains coupler and mains switch used in conjunction with this unit thus making it readily operable. 

L20T

-112

IMPORTANT SAFETY INSTRUCTIONS

Duration Per 

Day in Hours

8
6
4
3
2

1 ½

1

½

¼ or less

Sound Level dBA, 

slow response

90
92
95
97

100
102
105
110
115

Summary of Contents for L20T-112

Page 1: ...ALL TUBE CLASS A HERITAGE AMPLIFIER L20T 112OPERATING INSTRUCTIONS 1 3 ...

Page 2: ...do not correspond with the terminals in your plug proceed as follows a The wire that is coloured green and yellow must be connected to the terminal that is marked by the letter E the earth symbol coloured green or coloured green and yellow b The wire that is coloured blue must be connected to the terminal that is marked with the letter N or the colour black c The wire that is coloured brown must b...

Page 3: ...rhalb des Gehauses warnen die von Ausrichender Starke sind um einen elektrischen Schlag verursachen zu konnen Intended to alert the user of the presence of important operating and maintenance Servicing instructions in the literature accompanying the product Dieses Symbol soll den Anwender vor unsolierten gefahrlichen Spannungen innerhalb des Gehauses warnen die von Ausrichender Starke sind um eine...

Page 4: ...0 V 5 0 6 0 H z P re set Factory O p tion 1 0 0 1 1 0 1 2 0 V T 1 6 A L 2 5 0 V 2 2 0 V 2 4 0 V T 6 3 0 mA L 2 5 0 V C u stom Design ed 1 2 M in imu m 8 O h m Imp ed an ce FX Loop sid e ch ain typ e n omin al 7 5 0 mV level T 3 1 5 mA L 2 5 V Birch p lyw ood cab in et con stru ction for op timu m sou n d q u ality an d road w orth in n ess 5 0 W 2 0 W FS2 For C lean DriveC h an n el R everb O N O ...

Page 5: ...st began building valve amplifiers in my parent s garage Since then we have moved on from strength to strength developing an extensive range of guitar bass public address and keyboard amplification products along with a list of Laney endorsees that includes some of the world s most famous and respected musicians At the same time we believe we have not lost sight of the reason Laney was founded in ...

Page 6: ...tyle of playing Perfect for stage and studio use Every Lionheart product is extensively play tested by experienced guitarists before being shipped to our customers Only when the unit is finished to our complete satisfaction is it assigned its own unique build number which is then hand stamped onto the rear mounted plaque Your L20T 112 should give you years of trouble free amplification however ple...

Page 7: ...l retro sound and feel that only a quality tube amplifier can deliver Now use your guitar volume to control the amount of distortion Wind it up for distortion back it off a little for clean Adds brightness and life to the treble frequencies of your guitar when on the clean channel Adds edge and picking emphasis when on the drive channel The switch has more effect at low CleanVolume Drive control s...

Page 8: ...sounds The reverb in the L20T 112 is a legendary Sound Enhancements aka Accutronics reverb the only choice for that authentic reverb sound The tone control works in a similar fashion to the Tone control you probably have on your guitar except that it uniquely works at the other end of the amplification chain This has the ability to not only control the overall top end response but also reduce uppe...

Page 9: ...d rating is installed and it in turn blows the amplifier has suffered a malfunction at this point check the output tubes and replace faulty ones if required Should tubes not be the problem the amplifier should be checked out by a qualified technician Do not try using a fuse of greater value Using a fuse that is too large in current rating may cause serious irreparable damage to the amplifier Fuses...

Page 10: ...L20T 112 features aTilting Mechanism to allow use in either the upright or tilted back position Employez cette caractéristique de conception avec prudence en raison de la facilité avec laquelle l amplificateur peut être déplacé entre directement et en arrière inclinées des positions seulement utilisation l amplificateur sur une surface de niveau et stable N actionnez pas l amplificateur sur un bur...

Page 11: ...QUICK START SETTINGS suggestions only experiment L20T 112 ...

Page 12: ...USER SETTINGS Store your own cool sounds L20T 112 ...

Page 13: ...s can be a crackly noise hiss hum and microphony The preamp tubes can safely be changed with no other action required if they fail or reduce in performance Typical output tube problems can be blown HT fuse sound lacking in punch sound lacks extreme highs or lows and low level hum The Output tubes can be replaced singularly if you replace them with the exact same type AND grade as factory fitted ot...

Page 14: ...r use shielded or microphone cable for any speaker connections as this will not be substantial enough to handle the amplifier load and could cause damage to your amplifier system Caution These professional loudspeaker systems are capable of generating very high sound pressure levels Use care with placement and operation to avoid exposure to excessive levels that can cause permanent hearing damage ...

Page 15: ...hm L20T 112 WITH LT 212 EXTENSION CABINET FX Input Output FX Controller The internal loudspeaker may be unplugged and an extension cabinet added ensure that the correct impedance socket is used The internal loudspeaker should be plugged into the 8 Ohms socket L Z B1 2 3 4 L Z B1 2 3 4 ...

Page 16: ...NOTES L20T 112 ...

Page 17: ......

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