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Rockford Fosgate P300-12 Teardown

Escrito Por: bassblaster505 (e 2 outros contribuidores)
Publicado em: March 27, 2018
  • Comentários: 26
  • Favoritos: 0
  • Visualizações: 6,1 mil

Rockford Fosgate P300-12 Teardown

Escrito Por: bassblaster505 (e 2 outros contribuidores)
Publicado em: March 27, 2018
  • Comentários: 26
  • Favoritos: 0
  • Visualizações: 6,1 mil

Teardown

O que você precisa

Este teardown (desmontagem analítica) não é um guia de reparo. Para reparar seu/sua Rockford Fosagte P300-12, use o nosso manual de serviço.

  1. Rockford Fosgate P300-12 Teardown, Rockford Fosgate P300-12 Teardown: passo 1, imagem 1 %32

    • Front view

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  2. Rockford Fosgate P300-12 Teardown: passo 2, imagem 1 %32 Rockford Fosgate P300-12 Teardown: passo 2, imagem 2 %32 Rockford Fosgate P300-12 Teardown: passo 2, imagem 3 %32

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

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  3. Rockford Fosgate P300-12 Teardown: passo 3, imagem 1 %32 Rockford Fosgate P300-12 Teardown: passo 3, imagem 2 %32

    • 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. Rockford Fosgate P300-12 Teardown: passo 4, imagem 1 %32 Rockford Fosgate P300-12 Teardown: passo 4, imagem 2 %32 Rockford Fosgate P300-12 Teardown: passo 4, imagem 3 %32

    • 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

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  6. Rockford Fosgate P300-12 Teardown: passo 5, imagem 1 %32

    • 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

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  7. Rockford Fosgate P300-12 Teardown: passo 6, imagem 1 %32 Rockford Fosgate P300-12 Teardown: passo 6, imagem 2 %32

    • More jelly bean logic around the board

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  8. Rockford Fosgate P300-12 Teardown: passo 7, imagem 1 %32 Rockford Fosgate P300-12 Teardown: passo 7, imagem 2 %32

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

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Autor(a)

com 2 outros contribuidores

bassblaster505

Membro desde: 01/25/17

539 Reputação

Autoria de 4 guias

Emblemas: 2

23 comentários

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

Cometa Soulstar - Responder

I have the 10” version of this sub but believe the amp is identical. I’d like to steal the amp from this to use in a new enclosure. Any idea how many ohms this could drive?

Ian Pitts - Responder

Im not sure, when i did this teardown i never thought about doing an ohms test on the driver. it might be a 2 ohm driver, but if you have the 10”, pop the plate amp out and stick a meter on the driver lol

bassblaster505 -

I have a p300-12 , but the box shape is all wrong for my ‘07 FJ. What obstacles do you see after the teardown for transplanting the amp and sub into a custom fit box? Thanks in advance!

Jason Todd - Responder

i dont see any issues with that idea. just when you get a new box get one thats similar in volume as the original and also sealed as i have no idea how the driver would perform in a vented enclosure. just keep the original rockford box so if you decide to sell it down the line you can reinstall it

bassblaster505 -

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