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-   -   ? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one? (http://www.diyaudio.com/forums/solid-state/63606-d666ac-b646ac-vs-c2705-a1145-one-substitute-one.html)

nina 2nd September 2005 06:39 PM

? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
 
I got schematic that using the following transistors: D666AC, B646AC. However, a vendor gave me C2705 and A1145 instead.


I wonder if which one is the substitution of which one?


:confused: :confused: :confused:

destroyer X 2nd September 2005 06:46 PM

2Sc2705 is NPN as 2SD666AC.... so, they may be equivalent
 
And the others may be PNP and equivalents too.

Good luck

regards,

Carlos

nina 2nd September 2005 07:01 PM

Re: 2Sc2705 is NPN as 2SD666AC.... so, they may be equivalent
 
Quote:

Originally posted by destroyer X
And the others may be PNP and equivalents too.

Good luck

regards,

Carlos

So,
2SC2705 is ~ 2SD666AC
and
2SA1145 is ~ 2SB646

Thanks Carlos!

destroyer X 2nd September 2005 08:31 PM

You welcome.
 
regards,

Carlos

Magura 2nd September 2005 11:44 PM

Hey what is this, Carlos is speaking a language that I actually understand.....and I think it's even right on topic...now that's great news :)


Magura :)

dimitri 3rd September 2005 01:24 AM

hey nina,
Nikko Electronics has both 646/666
http://www.nikko-electronics.net/sea...b3f24e9f6d5edb

Greg Erskine 3rd September 2005 01:53 AM

Quote:

Originally posted by Magura
Hey what is this, Carlos is speaking a language that I actually understand.....and I think it's even right on topic...now that's great news :) Magura :)

arh ha ! Magura, if you admit to not usually understanding Carlos's posts....then how do you know he posts off topic???....answer me that. :D

Magura 3rd September 2005 01:56 AM

Quote:

Originally posted by Greg Erskine



arh ha ! Magura, if you admit to not usually understanding Carlos's posts....then how do you know he posts off topic???....answer me that. :D


Well, usually his posts contains a photo of a girl or the like.


Magura :)

Greg Erskine 3rd September 2005 02:11 AM

Quote:

Originally posted by Magura
Well, usually his posts contains a photo of a girl or the like.
Yes, but that girl is the amp construction supervisor or assembly assistant, and the pictures of food are the energy source required to build amps at the Carlos's hectic pace. ;)

Magura 3rd September 2005 02:22 AM

Quote:

Originally posted by Greg Erskine


Yes, but that girl is the amp construction supervisor or assembly assistant, and the pictures of food are the energy source required to build amps at the Carlos's hectic pace. ;)


I rest my case;)

The construction supervisor is quite pretty as I remember:D

Magura :)


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