How many maximum Vcc for TIP2955 & TIP3055? - Page 2 - diyAudio
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Old 21st May 2007, 02:26 AM   #11
Leolabs is offline Leolabs  Malaysia
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+/-35V is fine for TIP2955/TIP3055.
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Old 21st May 2007, 03:37 AM   #12
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Quote:
Originally posted by djQUAN
can the TIP2955/3055 pairs be replaced by TIP35/36?

would be using it in an amp..... a quick look at their datasheets and I think it is possible?

yes, get the one with a C at the end like tip35c/36c.......
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Old 21st May 2007, 03:48 AM   #13
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I have onced used 2N3055HV rated at 100V BVCEO with rails +/-40VDC rails
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Old 21st May 2007, 04:05 AM   #14
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There is also the 2N3055HV version which can withstand slightly higher voltages than the type without the HV markings, but they are worse for audio.

Another 60V version is the 2N3055E which has a higher fT than other types and is best suited for audio. J.L.Hood used it in his 1996 Class A amp.

Similar transistors also come in another flavour MJE3055/2955 and ofcourse, as already mentioned TIP3055/2955.
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Old 21st May 2007, 04:19 AM   #15
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Quote:
Originally posted by Samuel Jayaraj
There is also the 2N3055HV version which can withstand slightly higher voltages than the type without the HV markings, but they are worse for audio.

ON Semi 2N3055HV has got same Ft 4Mhz and same other specs as normal 2N3055, there is no point for worst performance in audio....
High voltage capability doesnot lead to poor performance, but increase reliability.
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Old 21st May 2007, 04:26 AM   #16
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Kanwar, may be you should read D.Self's article called "Load Invariant amplifier".
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Old 21st May 2007, 04:38 AM   #17
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Quote:
Originally posted by Samuel Jayaraj
Kanwar, may be you should read D.Self's article called "Load Invariant amplifier".
I am not addicted to Self's amp Bible like you, sorry
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Old 21st May 2007, 09:21 AM   #18
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Default I am not addicted to Doctor Self bible also


But i am not sorry because of that....as i have readed and there are many things that i like there.

For sure, what he says is not a religion to me....i have constructed his amplifier.... and i made it twice (made it last month once more)...and the amplifier show me that he is very distant from "divine".... or, at least his "creation" are "not enougth" to my ears.

regards,

Carlos
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