Gallien-Krueger B250, B600, B 115 Combo Technology
Gallien-Krueger
209-0180-A, 303-0180-A,
303-1180-A, 303-2180-A
Other Affected Assemblies
gallien
technology Engineering Change Order
Customer Name:
Model:
Assembly Description:
Assembly Numbers:
XX
All in Process
X
All in Stock
Beginning Serial Number:
Backline 250, 600, 115 Combo,
and 210 Combo
206-0181-A
Next Buy
X
Next Production RunAll in Service
Reason For Change
Pre-Amp revoiced to sound more like the 400RB-IV.
Continued on ECO Supplement Page
Description Of Change
Revoicing of the pre-amp to sound more like the
400RB-IV. Replaced certain resistors mentioned
below to change the structure of the output
waveform.
Current Rev #:
Distribute To:
Originator:
Approved by:
Effective Date:
Document Update
Artwork
Assembly Dwg.
Board Artwork
X
BOM
Control Form
X
Costing
Fab Drawing
Inspection Proc.
X
Part Master File
X
Schematic
Service Manual
Test Procedure
Distribution
Accounting
Assembly
Customer
X
Engineering
X
Incoming Q.C.
Planning
X
Production Eng.
X
Purchasing
Q.A.
Receiving
Service
Test
Vendor
New ECO Rev #:
A1 A2
Page:
Of:
1
Enrique Hernandez
2/15/2005
DateEffective
Initials
Noli
TC
Noli
Noli
Date
Initials
2
Continued on ECO Supplement Page
Part Number
Description
060-5622-0 1/8W, 5.62K
206-0181, 2/1/2006
X
Drawing(s) attached
Parts Added
Qty Qty
Ref. Designator
Parts Deleted
Ref. Designator
1
R48
6181A2.sch-1 - Tue Feb 22 14:14:56 2005
gallien
technology Engineering Change Order
Other Affected Assemblies
209-0180-A, 303-0180-A,
303-1180-A, 303-2180-A
Gallien-Krueger
Customer Name:
Model:
Assembly Description:
Assembly Numbers:
XX
All in Process
X
All in Stock
Beginning Serial Number:
Backline 250, 600, 115 Combo,
and 210 Combo
206-0181-A
Next Buy
X
Next Production RunAll in Service
Reason For Change
Pre-Amp revoiced to sound more like the 400RB-IV. Costing
Continued on ECO Supplement Page
Description Of Change
Revoicing of the pre-amp to sound more like the
400RB-IV. Replaced certain resistors mentioned
below to change the structure of the output
waveform.
Add a 47.5K resistor as well to bass and treble
circuit that is missing, and should be there, it
is designated R99 on the schematic 206-0181-A3.
Current Rev #:
Distribute To:
Originator:
Approved by:
Effective Date:
Document Update
Artwork
Assembly Dwg.
Board Artwork
X
BOM
Control Form
X
Fab Drawing
Inspection Proc.
X
Part Master File
X
Schematic
Service Manual
X
Test Procedure
Distribution
Accounting
Assembly
Customer
X
Engineering
X
Incoming Q.C.
Planning
X
Production Eng.
X
Purchasing
Q.A.
Receiving
Service
Test
Vendor
New ECO Rev #:
A2 A3
Page:
Of:
1
Enrique Hernandez
3/11/2005
DateEffective
Initials
Noli
TC
Noli
RAG
ATM
Date
Initials
2
Continued on ECO Supplement Page
Part Number
060-2213-0
206-0181, 2/1/2006
Description
1/8W, 22.1K
X
Drawing(s) attached
Parts Added
Qty Qty
Ref. Designator
Parts Deleted
Ref. Designator
1
R48
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