OPERATING INSTRUCTIONS - 1.1 L20H ALL TUBE ‘CLASS A’ HERITAGE AMPLIFIER LANEY AMPLIFICATION w w w. l a n e y. c o .
L20H IMPORTANT SAFETY INSTRUCTIONS WARNING: When using electric products, basic cautions should always be followed, including the following. 1. Read all safety and operating instructions before using this product 2. The product should be powered by a three pin `grounded (or earthed) plug connected to a power socket with a grounded earth outlet. 3. All safety and operating instructions should be retained for future reference 4. Obey all cautions in the Operating instructions and on the back of the unit 5.
L20H Intended to alert the user to the presence of uninsulated ‘Dangerous Voltage’ within the products enclosure that may be sufficient to constitute a risk of electrical shock to persons. Este simbolo tiene el proposito de alertar al usuario de la presencia de ‘(voltaje) peligroso’ que no tiene aislamiento dentro de la caja del producto que puede tener una magnitud suficiente como para constituir riesgo de corrientazo.
L20H Laney OPERATING INSTRUCTIONS BEFORE SWITCHING ON After unpacking your amplifier check that it is factory fitted with a three pin 'grounded' (or earthed) plug. Before plugging into the power supply ensure you are connecting to a grounded earth outlet. If you should wish to change the factory fitted plug yourself, ensure that the wiring convention applicable to the country where the amplifier is to be used is strictly conformed to.
L20H Laney OPERATING INSTRUCTIONS Dear Player, Thank you very much for purchasing your new Laney product and becoming part of the worldwide Laney family. Each and every Laney unit is designed and built with the utmost attention to care and detail, so I trust yours will give you many years of enjoyment. Laney products have a heritage which stretches back to 1967 when I first began building valve amplifiers in my parent’s garage.
L20H Laney 1 2 3 OPERATING INSTRUCTIONS 4 5 6 7 8 9 10 11 12 13 15 14 FRONT PANEL CONTROLS HI INPUT: ‘Hi’ stands for high gain. This input is designed for the connection of low output level guitars making it well suited for guitars with single coiled or low gain humbucker type pickups. Use of high gain pickups in this input may drive the preamp too hard causing a "mushy" sound. Only use good quality guitar cable. LO INPUT: ‘Lo’ stands for low gain.
L20H Laney OPERATING INSTRUCTIONS ability to drive the output stage at higher Drive Volume settings. Setting a high level on the Drive control and a low setting on the Drive Volume will give you a punchy hard rock lead tone, with the ability to again drive the output tubes at higher Drive volume settings. Having set the Drive and Drive Volume controls to your desired sound try backing off your guitar volume and tone controls for lots of other cool sounds.
L20H Laney OPERATING INSTRUCTIONS L20H REAR 2 MAXIMUM POWER CONSUMPTION 80 WATTS 50/60Hz 1 HT FUSE T315mA L 0 WARNING THIS APPARATUS MUST BE EARTHED WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. MODEL CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONEL.
L20H Laney OPERATING INSTRUCTIONS EFFECTS LOOP RETURN: Connect the output from your external effects to this socket. The effects loop allows you to connect external effects such as tremolos, chorus and delays to your amplifier. A portion of the signal leaves the amplifier via the `Send’ socket and comes back from the effects via the `Return` socket. Use the output level control on your FX to control how loud the FX return signal sounds.
L20H Laney OPERATING INSTRUCTIONS QUICK START SETTINGS - suggestions only, experiment! Off CLEAN BLUES BLUES LEAD ROCK Page 10 /16
L20H Laney OPERATING INSTRUCTIONS USER SETTINGS - Store your own cool sounds Page 11 /16
L20H Laney OPERATING INSTRUCTIONS TUBE AMPLIFIER SURVIVAL TIPS Tube amplifiers generally sound much warmer/sweeter than solid state transistor amplifiers but they also need a little more respect due to the fragile glass tubes themselves. The L20H uses top quality tubes, three 12AX7 preamp tubes, and four EL84 output tubes which should give you years of trouble free service, however like all tube amps; it is important to treat it with a certain amount of care. "" " " Take care when moving the amplifier.
OPERATING INSTRUCTIONS Input FX Controller L20H CONNECTIONS WITH FX Output L20H Laney 8 Ohms Laney www.laney.co.uk INPUT LINK OUT 8 OHMS IMPEDANCE 60W RMS POWER RATING SERIAL NUMBER: MADE IN THE UK BY LANEY 4 Ohms L20H WITH EXTENSION CABINETS Laney www.laney.co.uk INPUT LINK OUT 8 OHMS IMPEDANCE 60W RMS POWER RATING SERIAL NUMBER: MADE IN THE UK BY LANEY Laney www.laney.co.
OPERATING INSTRUCTIONS BLOCK DIAGRAM The FX loop is a side chain type V1a FX SEND FX RETURN BRIGHT V2a CLEAN VOLUME V2b 16 OHM SOCKET BRIGHT EQ DRIVE BRIGHT MID V1b PAD LO INPUT 8 OHM SOCKET TREBLE HI INPUT BASS L20H Laney REVERB 4 OHM SOCKET V3 V4 V5 V6 V7 DRIVE VOLUME REVERB LEVEL FOOTSWITCH TONE TONE CONTROL General Notes Amplifier connection: In order to avoid damage, it is advisable to establish and follow a pattern for turning on and off your equipment.
L20H Laney OPERATING INSTRUCTIONS SPECIFICATIONS Supply Voltage: Factory Pre-set Option ~100V, ~120V, ~220V, ~230V, ~240V 50/60Hz Mains Fuse: (~220V>240V = T630mA L 250V) (~100V>120V = T1.6A L 250V) HT Fuse: T315mA L Power Consumption: 50W Output Power Rating: 20W FX Loop: Side Chain type, nominal 750mV level.
Laney POWER TO THE MUSIC LANEY AMPLIFICATION w w w. l a n e y. c o . u k In the interest of continued product development, Laney reserves the right to amend product specification without prior notification.
