Laney BC 250 Manuale utente
MODEL : BC250MODEL : BC250
Laney
USER MANUAL
BC SERIES
Care of your Laney amplifier will prolong it's life.....and yours!. If you follow these guidelines your equipment will give you
years of playing pleasure
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. As an example in the United Kingdom the cable colour code for
connections are as follows.
EARTH OR GROUND - GREEN/YELLOW
NEUTRAL - BLUE
LIVE - BROWN
220V
Laney
Congratulations on your decision to purchase a Laney amplifier.
Laney products are designed with ease of operation as a primary objective, however to ensure you derive the best from your
new amplifier, it is important you take time to read this user manual and to familiarise yourself with the control functions and
facilities available
INTRODUCTION
BEFORE
SWITCHING ON
This manual has been written for easy access of information. The front and rear panels of each unit are graphically illustrated,
with each control and feature numbered. For a description of the function of each control feature, simply check the number
with the explanations adjacent to each panel.
When you first recieve your Laney amp, follow these simple procedures:
(i) Ensure that the amplifier is set at the correct voltage for the country it is to be used in.
(ii) Connect your instrument with a high quality sheilded instrument cable. Use of cheap cables will compromise the sound of
your instrument and your amplifier.
If there is a problem with your Laney amplifier
DON'T DO
PHONE YOUR DEALER!
1
{
1
MODEL BC250
2
10 12
97
34
11
5
2
DYNAMICSDYNAMICS
HORNSHORNS
BRIGHTBRIGHT
FULLFULL
INJECTINJECT
DIRECTDIRECT
BC-250BC-250
INPUTINPUT
EQUALIZATIONEQUALIZATION
MASTERMASTER
VOLUMEVOLUME
TREBLETREBLE
BASSBASS
GAINGAIN
ACTIVEACTIVE
PASSIVEPASSIVE
HIHI
LOLO
COMPCOMP
3k2Hz3k2Hz
1k6Hz1k6Hz
800Hz800Hz400Hz400Hz200Hz200Hz
100Hz100Hz
22
33
11
00
1010
44
55
66
77
88
99
33
22
44
55
55
11
00
11
22
33
44
++
--
33
22
44
55
55
11
00
11
22
33
44
++
--
99
88
77
66
55
44
1010
00
11
33
22
POWERPOWER
68
SENDSEND
RETURNRETURN
EFFECTS LOOPEFFECTS LOOP
INTERNALINTERNAL
(8 OHM)(8 OHM)
SPEAKERSSPEAKERS
(8 OHM)(8 OHM)
EXTERNALEXTERNAL
MINMIN
POWERPOWER
11
00
TO AVOID FIRE HAZZARDTO AVOID FIRE HAZZARD
REPLACE ONLY WITH REPLACE ONLY WITH
SAME TYPE AND RATING.SAME TYPE AND RATING.
110-120V :-T6.3A110-120V :-T6.3A
220-240V :-T3.15A220-240V :-T3.15A
~~
~~
CAUTIONCAUTION
THIS APPARATUS THIS APPARATUS
MUST BE EARTHED.MUST BE EARTHED.
SUPPLYSUPPLY
VOLTAGEVOLTAGE
~~
CAUTIONCAUTION
TO REDUCE THE RISK OF ELECTRICTO REDUCE THE RISK OF ELECTRIC
SHOCK DO NOT REMOVE COVER.SHOCK DO NOT REMOVE COVER.
NO USER SERVICABLE PARTSNO USER SERVICABLE PARTS
INSIDE.REFER SERVICING TO INSIDE.REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.QUALIFIED SERVICE PERSONNEL.
WARNINGWARNING
TO REDUCE THE RISK OF FIRETO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK DO NOTOR ELECTRIC SHOCK DO NOT
EXPOSE THIS APPLIANCEEXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE.TO RAIN OR MOISTURE.
85748574
MAXIMUM POWER CONSUMPTIONMAXIMUM POWER CONSUMPTION
500W 50/60Hz500W 50/60Hz
~~
SERIAL No.SERIAL No.
MADE IN THE U.K. BY BLT INDUSTRIES LTD.MADE IN THE U.K. BY BLT INDUSTRIES LTD.
INPUTS: ACTIVE. Input jack for active or high output instruments such as those with built in pre-
amplifiers. PASSIVE. Input jack for most passive instruments such as those without built in
pre-amplifiers.
GAIN: Sets the overall gain of the amplifier to suit the instrument being used. Set as high as possible
without distortion, then adjust the overall volume to suit. The gain control may need re-adjusting after EQ
changes.
COMPRESSOR: Compresses the input signal, giving a punchier sound. Use in conjunction with GAIN
control.
HI: Boosts the high frequencies
LO: Boosts the extreme low frequencies, especially useful on 5 string bass guitars.
BASS: Sets the Bass frequency response.
GRAPHIC EQ: Six band graphic equaliser, use to set the middle frequencies. For best sound set the
sliders to gradual curves and avoid extremes.
TREBLE: Sets the high frequency response.
VOLUME: Sets the overall listening level of the amplifier.
FULL: Engages a speaker control system which controls the tightness of the bass response.
BRIGHT: Switches in increased attack and sparkle to the upper frequencies.
HORNS: Switches in the HF units fitted to the unit.
DIRECT INJECT: XLR socket for direct injection of the amplifier signal to a mixing desk or power
amplifier. This provides a low impedance output signal (Balanced output, Pin 1: Ground, Pin2: Hot, Pin
3:cold
1
2
3
4
9
5
6
7
8
{
10
11
12
10
3
MODEL BC250
12
11
SENDSEND
RETURNRETURN
EFFECTS LOOPEFFECTS LOOP
INTERNALINTERNAL
(8 OHM)(8 OHM)
SPEAKERSSPEAKERS
(8 OHM)(8 OHM)
EXTERNALEXTERNAL
MINMIN
POWERPOWER
11
00
TO AVOID FIRE HAZZARDTO AVOID FIRE HAZZARD
REPLACE ONLY WITH REPLACE ONLY WITH
SAME TYPE AND RATING.SAME TYPE AND RATING.
110-120V :-T6.3A110-120V :-T6.3A
220-240V :-T3.15A220-240V :-T3.15A
~~
~~
CAUTIONCAUTION
THIS APPARATUS THIS APPARATUS
MUST BE EARTHED.MUST BE EARTHED.
SUPPLYSUPPLY
VOLTAGEVOLTAGE
~~
CAUTIONCAUTION
TO REDUCE THE RISK OF ELECTRICTO REDUCE THE RISK OF ELECTRIC
SHOCK DO NOT REMOVE COVER.SHOCK DO NOT REMOVE COVER.
NO USER SERVICABLE PARTSNO USER SERVICABLE PARTS
INSIDE.REFER SERVICING TO INSIDE.REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.QUALIFIED SERVICE PERSONNEL.
WARNINGWARNING
TO REDUCE THE RISK OF FIRETO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK DO NOTOR ELECTRIC SHOCK DO NOT
EXPOSE THIS APPLIANCEEXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE.TO RAIN OR MOISTURE.
85748574
MAXIMUM POWER CONSUMPTIONMAXIMUM POWER CONSUMPTION
500W 50/60Hz500W 50/60Hz
~~
SERIAL No.SERIAL No.
MADE IN THE U.K. BY BLT INDUSTRIES LTD.MADE IN THE U.K. BY BLT INDUSTRIES LTD.
POWER: Mains/power on/off switch.
SPEAKER OUTPUTS: Allowing the conection of an 8 Ohm extension cabinet.
EFFECTS LOOP: SEND, sends the pre-amplifier signal to an external effects processor if required (signal
level nominal -6dB). RETURN, effects return, accepts the output of an external effects processor (signal level
nominal -6dB).
Technical Specifications
Maximum Power Consumption 500 Watts
Supply Voltage (Factory Preset) 115/230 Volts
Supply Frequency 50/60 Hz
Output Power 250 Watts @ 4 Ohms
Input Impedance Passive 1 Meg Ohm
Input Impedance Active 200 k Ohm
FXLoop/Line Level (All Nominal) -6dB
FX Send/Return Impedance 1k/10K Ohm
Speaker Impedance 8 Ohms
Extension Speaker Impedance 8 Ohm
Speaker Size 15" 375cms + 2 x HF drivers
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