Aleph 5 -- Parts

billy · 4th January 2003, 03:47 PM

Hello, can i use the following parts on the Aleph 5?

Irf9530 / 9540 ---> Irf9610 ?
MPSA 42 / BC550 ---> MPSA18 ?
IRFP250 / 150 ---> IRFP244 ?

Beside , i saw some other maybe OEM product for the IRFP244, the price is cheap, is it bad quality ? and the sound is bigger different with the original product ?

Mad_K · 4th January 2003, 04:10 PM

the substitutes are ok, but I would rather use 9510 (if possible) for the 9610 subst.

try to get q's from a well known company; fairchild, st, harris, ir etc.

kirc · 9th January 2003, 11:28 AM

MPSA42 work just fine (instead of MPSA18 or ZTX450). My ZEN V4 also work fine with BC550.

Instead of IRF9610 Aleph5 will work fine with IRF9620. I simply don't prefer IRF9530 or IRF9540 becouse this is more powerfull mosfet and have different sound (worse) than original. IRF9620 is more easy to get than IRF9610.

About IRFP250 - Zen V4 works fine with IRFP250N and probably there is no reason that you don't use it if you are unable to get IRFP240 or IRFP244.

br,
LEON

4th January 2003, 03:47 PM	#1
billy diyAudio Member Join Date: Dec 2001 Location: Hong Kong	Aleph 5 -- Parts Hello, can i use the following parts on the Aleph 5? Irf9530 / 9540 ---> Irf9610 ? MPSA 42 / BC550 ---> MPSA18 ? IRFP250 / 150 ---> IRFP244 ? Beside , i saw some other maybe OEM product for the IRFP244, the price is cheap, is it bad quality ? and the sound is bigger different with the original product ?

4th January 2003, 04:10 PM	#2
Mad_K diyAudio Member Join Date: Sep 2002 Location: Norway	the substitutes are ok, but I would rather use 9510 (if possible) for the 9610 subst. try to get q's from a well known company; fairchild, st, harris, ir etc. __________________ Mads K

9th January 2003, 11:28 AM	#3
kirc diyAudio Member Join Date: Aug 2001 Location: Slovenia	MPSA42 work just fine (instead of MPSA18 or ZTX450). My ZEN V4 also work fine with BC550. Instead of IRF9610 Aleph5 will work fine with IRF9620. I simply don't prefer IRF9530 or IRF9540 becouse this is more powerfull mosfet and have different sound (worse) than original. IRF9620 is more easy to get than IRF9610. About IRFP250 - Zen V4 works fine with IRFP250N and probably there is no reason that you don't use it if you are unable to get IRFP240 or IRFP244. br, LEON __________________ Music is a part of my life, DIY is my life.

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