Laney B1-2-3 Series Schematic
B
Series
Service Manual
B1
b2
b3
Laney www.laney.co.uk
To Internal / Hi SocketTo Internal / Hi Socket
2+
1-
2-
1+
-
+
Warning This equipment must be earthed.Warning This equipment must be earthed.
Power Consumption
Power Consumption
~50-60Hz
750Watts ~50-60Hz
750Watts
Supply VoltageSupply Voltage
115V
~~115V
~
230V
230V
~
CAUTION
RISK OF ELECTRIC SHOCK - DO NOT OPENRISK OF ELECTRIC SHOCK - DO NOT OPEN
Made inthe United Kingdom byBLT Industries Ltd.
Toreduce the riskof electric shock donot remove covers.
Toreduce the riskof electric shock donot remove covers.
No userserviceable parts inside. Referservicing to
No userserviceable parts inside. Referservicing to
2+
2-
Serial No:-Serial No:-
Avis
Avis
Risque dechoc electrique - ne pasouvrir.
Risque dechoc electrique - ne pasouvrir.
Caution
Caution
qualified personnelonly.
qualified personnelonly.
Attention.
Attention.
Debrancher lecordon d’alimentation
Debrancher lecordon d’alimentation
avant touteintervention.
avant touteintervention.
Warning
Warning
Toreduce the riskof fire or electricshock do not
Toreduce the riskof fire or electricshock do not
expose thisappliance to rain ormoisture.
expose thisappliance to rain ormoisture.
Caution
Caution
Refer to users manual for recommended
Refer
to users manual for recommended
speaker connections.
speaker
connections.
1-
1+
+
Speakon - BLT Part Nos 10682Speakon - BLT Par t Nos 10682
Cable UCable U
Bi-Amp/Hi
k
k
Min Load
Min Load
c
c
o
o
2 Ohms
2
Ohms
L
L
k
k
c
c
o
o
l
l
n
n
U
U
Push ToResetPushTo Reset
Internal/Hi
!
Sub/LoSub/Lo
k
k
c
c
o
o
L
L
k
k
c
c
o
o
l
l
n
n
U
U
Min Load
Min Load
2 Ohms
2
Ohms
Bi-Amp/Lo
2+
2-
1+
To Sub / Lo SocketTo Sub / Lo Socket
15 inch Loudspeaker
15 inch Loudspeaker
Nos . 41522
Part Nos . 41522
Par t
(B3
(B3 only)
+
only)
Active CrossoverActive Crossover
-+0-+0
1 1
2
3
4 4
5
Amp ModeAmp Mode
Internal+Sub
Internal Only
Internal Only
5
Level
Hi
Lo
Footswitch
Bi-amp
Pre-Amp
Pre-Amp
AuxInAux
2
Out
Out
In
3
B2 and B3 Cabinet Wiring Details
Effects
Effects
Loop
Loop
Send
0dB
-10dB
Bypass
Return
Pre EqPre Eq
Direct
Direct
Inject
Inject
Post EqPost Eq
PAD
1-
Cable QCable Q
+
-
+
-
+
-
Drawing number 3189
Drawing number 3189
Issue 1
Issue
by RJF
Drawn
Drawn by RJF
Date
Date 05/12/00
Updated
Updated
1
05/12/00
B2/B3 Combo
B2/B3 Combo
Details
Wiring Details
Wiring
On
+
2 off 10 inch Loudspeakers
2 off 10 inch Loudspeakers
Nos . 41026
Part Nos . 41026
Par t
+ B3))
(B2
(B2 + B3))
-
Fostex HornFostex Horn
View from Rear of Speaker Plate (unprinted face)
Shows switch orientation
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