This teardown is not a repair guide. To repair your Rockford Fosagte P300-12, use our service manual.

  1. Front view
    • Front view

  2. Remove the 8 coarse thread wood screws and gently pry the plate out Remove the 8 coarse thread wood screws and gently pry the plate out Remove the 8 coarse thread wood screws and gently pry the plate out
    • Remove the 8 coarse thread wood screws and gently pry the plate out

  3. Carefully remove the 3 knobs and the 1 screw between the 2 10A fuses. then the plastic face should pop off Carefully remove the 3 knobs and the 1 screw between the 2 10A fuses. then the plastic face should pop off
    • Carefully remove the 3 knobs and the 1 screw between the 2 10A fuses. then the plastic face should pop off

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  5. Crossover / Gain Power Supply and output FET's Power Supply Transformer
    • Crossover / Gain

    • Power Supply and output FET's

    • Power Supply Transformer

    • Output Filters

    • The 2 boards are held together by 4 screws on the edges of the PCB, gently pull them apart, they will only be held together by pin headers. Here you can see the 2 output filters and the power supply step up transformer

    • The board with the FEMALE pin headers is the front board with the plugs on it. the crossover network consists of JRC 4850's

  6. There are 4 of these "GA7E1S" FET's that i cant find any info on. i would assume by looking at the boards that 2 are the power supply and the other 2 are the outputs
    • There are 4 of these "GA7E1S" FET's that i cant find any info on. i would assume by looking at the boards that 2 are the power supply and the other 2 are the outputs

    • There are NO heatsinks anywhere in this unit which i find amazing. but the FETS most likely use the massive copper planes on the board as the heatsink

  7. More jelly bean logic around the board More jelly bean logic around the board
    • More jelly bean logic around the board

  8. The custom 12" driver. it appears to be a DVC driver, but it just a SVC with 2 pairs of leads going to it The custom 12" driver. it appears to be a DVC driver, but it just a SVC with 2 pairs of leads going to it
    • The custom 12" driver. it appears to be a DVC driver, but it just a SVC with 2 pairs of leads going to it

bassblaster505

Участник с: 25.01.2017

277 Репутация

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Nice, if you can do one on pulling the sub out that would be great. I think it might be glued in.

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