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NEVE BA283 AMPLIFIER BOARD DOCUMENTATION
Operating and Technical Service and Repair Documentation for
OBSOLETE NEVE EQUIPMENT manufactured prior to 1980. This
documentation is posted here as a service to those who have this
equipment and are trying to maintain, service or repair it.
We believe this documentation to be free of any copy rights and/or errors,
but if you know of any infringements or errors or alternate versions please
contact us at mailto:[email protected] as soon as possible with this
information.
THE BA283 AMPLIFIER PCB CAME IN A NUMBER OF VERSION
DECODE INFO FOR THE VARIOUS VERSIONS
B = Board or PCB assembly
A = Amplifier
283 = the three digit part number designation for the assembly
VERSIONS: note that most version suffixes here have two letters and these happen to indicate the edge card pin
numbers of the portion of the circuit board that is "stuffed" and there is a third "A" letter designation added to those
versions where the TO-3 output transistor is remoted off actual card assembly.
BA283AV = fully populated with both a pre or "gain" amplifier and an output amplifier
BA283AVA = BA283AV with remoted TO-3 output transistor TR3
BA283AM = 1/2 populated with only an output amplifier and NO pre or "gain" amplifier
BA283AMA = BA283AM with remoted TO-3 output transistor TR3
BA283NV = 1/2 populated with only a pre or "gain" amplifier and NO output amplifier
BA283S = don't see these often but appears nearly identical to BA283AM
The most common version would be BA283AM
all BA283 boards have pads and traces such that they can be fully stuffed and converted to BA283AV