Upgrading a Rockford fosgate 601s to a 801s

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jrplz

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Joined 2010
#1
Hello Guys

I have a 601s and would like to convert it to 801s is someone on this forum up to the task also, I Have a Rockford fosgate 1000.2 that does not turn on anymore . I'm in Southern California or I could have them ship to you .


thanks guys
Jr

here is a link to upgrading to 801s
 
#2
change the mainboard 😀

naah..j/k.. 😀

the difference might be on the finals.let's take an example your amp has 2 pairs of final transistors, 801 has 4 pairs of them..

there also might has difference on the VAS or driver section such as the resistor value, etc..

what's your concern to upgrade?.more power or better sound quality?
 
#3
ishiru said:
change the mainboard 😀

naah..j/k.. 😀

the difference might be on the finals.let's take an example your amp has 2 pairs of final transistors, 801 has 4 pairs of them..

there also might has difference on the VAS or driver section such as the resistor value, etc..

what's your concern to upgrade?.more power or better sound quality?
Click to expand...

🙂 Just thought I could get some more power from the link I posted that guys seem to of made it work , but the amplifier is in real good shape Ill just put away if I cant have it done but , for now Im looking for some one that could tackle the p1000.2 and have it repaired . If you can work on it or know someone reputable to repair the amplifier please let me know , thank you for the Naah 😛 J/k
 
#4
jrplz said:
🙂 Just thought I could get some more power from the link I posted that guys seem to of made it work , but the amplifier is in real good shape Ill just put away if I cant have it done but , for now Im looking for some one that could tackle the p1000.2 and have it repaired . If you can work on it or know someone reputable to repair the amplifier please let me know , thank you for the Naah 😛 J/k
Click to expand...

i couldnt see the link 😀

what's the problem w/ the p1000.2?.car amp usually failed on finals or the supply mosfets 🙂
 
#6
The 601S has space for extra components that are found in the 801S, by adding these missing components (quite a few, but easy to find and solder on) you will only gain NO MORE than 200watts TOTAL. Is it worth it? May be, will you hear the differences....I doubt it as they will be very minimal.

Don't go thinking you will get double your power by simply adding a few components without modifying the power supply (transformer/rectifiers/fets/ect).
 
#9
jeanious2011 said:
The 601S has space for extra components that are found in the 801S, by adding these missing components (quite a few, but easy to find and solder on) you will only gain NO MORE than 200watts TOTAL. Is it worth it? May be, will you hear the differences....I doubt it as they will be very minimal.

Don't go thinking you will get double your power by simply adding a few components without modifying the power supply (transformer/rectifiers/fets/ect).
Click to expand...

All I wanted to know if it would be feasible for 200 watts per coast .
 
#13
seankane said:
It wont be reliable.

Why you ask?

Because you are mismatching date codes on FET's.

If your going to do it, do it right and replace all the FET's with matching date codes.

ANY FET's used in parallel must have matching date codes.
Click to expand...


for the best result, i couldnt agree more.change all fets w/ the same batch.

but if cost is priority, it's not like they would failed soon..at least they works.i ever built a 1000w PA with mismatched batch (it's like 7 pairs w/ 2 batch codes) and they're used roughly.they still works good until now 🙂
 
#16
ishiru said:
well, that's extremely simple to upgrade as long as you can solder the mosfet body and the SMDs 😀

i'll wait the p1000.2.but please provide us the problem since pics didnt always said it all 😛
Click to expand...

Ok just took the amplifier apart and power it up it goes right into protection mode, Little history I strongly believe the speaker wires touched and caused this but I not 100% sure . Also the amplifier to me looks good (internals that is) but Im no expert as you could see 😕

Please let me know if you guide me in fixing this 😀

IMG_20161.jpg Photo by jrplz | Photobucket
This one looks funny to me ^
IMG_20131.jpg Photo by jrplz | Photobucket
IMG_20121.jpg Photo by jrplz | Photobucket
IMG_20101.jpg Photo by jrplz | Photobucket
IMG_20091.jpg Photo by jrplz | Photobucket
IMG_20091-1.jpg Photo by jrplz | Photobucket
IMG_20081.jpg Photo by jrplz | Photobucket
IMG_20071.jpg Photo by jrplz | Photobucket
 
#19
Ok guy first please excuse my ignorance Im just going from what I seen on you tube :apathic:

on the board starting of as fallows

tc8 / Q17 = 199.8
tc9 / Q14 = 181.9


tc7 / Q16 = keep on reading high no stoping
tc8 / Q13 = 5.236

tc9 / D11 = 0.4
tc10 / D12 = 0.4

I read them on the outer legs with OHM with a fluke digital meter , Again please excuse my not knowing !

thanks
 

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#20
jrplz said:
Ok guy first please excuse my ignorance Im just going from what I seen on you tube :apathic:

on the board starting of as fallows

tc8 / Q17 = 199.8
tc9 / Q14 = 181.9


tc7 / Q16 = keep on reading high no stoping
tc8 / Q13 = 5.236

tc9 / D11 = 0.4
tc10 / D12 = 0.4

I read them on the outer legs with OHM with a fluke digital meter , Again please excuse my not knowing !

thanks
Click to expand...

LM317 and LM337 are a regulators..i'm not sure but Q16 might be failed..i have LM317.i'll check the resistance and let you know tomorrow
 
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