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F5 Turbo Builders Thread
F5 Turbo Builders Thread
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Old 4th September 2019, 01:00 PM   #5711
JeffYoung is offline JeffYoung  Ireland
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F5 Turbo Builders Thread
Nice casework!

Still, I'd have been tempted to use the 308 valve cover in the background...
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Old 4th September 2019, 07:13 PM   #5712
elwood625 is offline elwood625  United States
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Those are the valve covers on the "wall of dead" engines. I thought about using the 308 and the Maserati 4AC twin turbo as they are close to the same physical size. Someday..
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Old 10th September 2019, 05:36 PM   #5713
rhthatcher is offline rhthatcher  United States
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F5 Turbo Builders Thread
Built and tested 2 PSUs for a pair of V3 Monos. I used temporary 0R47 resistors to test, chokes will go in the amp chassis.

Chassis and amp boards will come next. Also need to do some mosfet matching.
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Old 10th September 2019, 08:15 PM   #5714
AudioSan is offline AudioSan  Norway
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I belive that is bleeder resistors you have soldered. they need to be around 2.2Kohm 5W.
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Old 10th September 2019, 08:30 PM   #5715
rhthatcher is offline rhthatcher  United States
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F5 Turbo Builders Thread
AudioSan - The bleeders are 2K2 3W. Same as I have used in Aleph J and standard F5.
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Old 10th September 2019, 09:39 PM   #5716
AudioSan is offline AudioSan  Norway
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I saw it now i thought that was the 0.47ohm resistors you were talking about.
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Old Yesterday, 03:24 PM   #5717
thompsontechs is offline thompsontechs
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Hello guys/ladies. I'm building a 2 channel F5T V2 with the V# boards. I've been sourcing parts and have a quick question for you...


Both the FQA12P20 and N20 are now obsolete, I search the forum and found several people who have used other packages.



Would these be suitable? Some of the values on the Datasheet look good others, are what brought me here to ask those with more knowledge.



Q3-4 IRFP9240PBF
Q5-6 IRFP240PBF


Thanks guys, I do appreciate your time.


JT
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Old Yesterday, 04:15 PM   #5718
Dennis Hui is online now Dennis Hui  Canada
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F5 Turbo Builders Thread
Many have successfully used IRFP240/IRFP9240 in their F5/F5 turbo builds.

Cheers,
Dennis
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Old Yesterday, 07:45 PM   #5719
thompsontechs is offline thompsontechs
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Thanks Dennis
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