Do you have a question about the COBHAM 251 and is the answer not in the manual?
Details on physical mounting, dimensions, and grounding requirements for the amplifier.
Information on connectors, wire types, and voltage ratings for electrical setup.
Highlights functional and cosmetic differences of the 251-003 variant from the base model.
Specific installation instructions and drawings for the 251-003 model.
Operation information unique to the 251-003 Passenger Speaker Amplifier.
Details exceptions and unique features of the 251-006 Passenger Speaker Amplifier.
Installation information and drawings specific to the 251-006 variant.
Operational details unique to the 251-006 Passenger Speaker Amplifier.