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-   -   BOZ preamp project (http://www.diyaudio.com/forums/pass-labs/86555-boz-preamp-project.html)

likeDIY 15th September 2006 08:03 AM

BOZ preamp project
 
Hi all,
I'm going to build a Bride of Zen pre-amp but I have some difficulties finding some parts.
Can someone tell me the equivalent of IRF610 and TIP29GCE ?

Is IRF610 = IRF9610?

These IRF and TIP will be solded on the same side with other parts or on the other side?

I have finished the PCB as in the passdiy.com.

Thanks heap.

Cheers!

senee 15th September 2006 08:38 AM

LikeDIY,

I thinks, The IRF610 is not equivalent with TIP29GCH.
And IRF610 = N channel Mosfet
IRF9610 = P channel Mosfet
You can buy the IRF610 and IRF9610 at MOUSER and DIGIKEY

:smash:

likeDIY 15th September 2006 08:50 AM

Thanks Seene, but I didnt mean the IRF610 = TIP29, What i meant is "What are the equivalent to IRF610 and TIP29".

Babowana 15th September 2006 09:12 AM

TIP29:

The operating voltage between C and E is about 25V and current is less than 0.5A. I however would apply my "don't worry be happy" factor 2. If so, any NPN TR rated at max. VCE of 50V and 1A or bigger will be okay.

IRF610:

Buy all IRF510/ IRF520/ IRF620/ IRF630 /IRF140 /IRF240/ IRFP250N . . .
And take experiment of sound differences from them . . .
Lot of fun . . . !!!
You will love diy, Likediy . . . :D

Babowana 15th September 2006 11:05 AM

Quote:

Originally posted by Babowana


at max. VCE of 50V and 1A or bigger


My problem is I can not distinguish max and min . . .
I :bawling: that I should have said "min" . . .

likeDIY 15th September 2006 11:30 AM

On the PCB, i have seen there is a hole for the drain of the IRF, I'm a bit confused how we actually connect the drain pin and this hole, is this through a screw nut?

Babowana 15th September 2006 03:17 PM

Quote:

Originally posted by likeDIY



On the PCB, i have seen there is a hole for the drain of the IRF, I'm a bit confused how we actually connect the drain pin and this hole, is this through a screw nut?

Put whatever . . . tight size into the hole . . .
As you know, as long as the drains are "electrically" connected with R104/204 . . . fine . . .

Mad_K 15th September 2006 08:31 PM

2 Attachment(s)
Did you see my revised schematic? It saves you the trouble with the TIP29 part anyways..

Zen Mod 15th September 2006 09:26 PM

http://choky.on.neobee.net/My_BOZ.html

lohk 15th September 2006 11:54 PM

2 Attachment(s)
sorry off topic - but I really like your (and Oly's) "fuse killer" :D


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