Obsolete transistors

Måsen · 7th August 2005, 07:47 PM

Hi!

Transistors V712 and V713, Motorola 7320001 (TO3), on this power amplifier are dead.
I can not find new transistors.
Can I use replacement transistors? What brand/type?
Transistors V710/V711 are BD529/BD530.

http://hem.bredband.net/scarl/Sonab.jpg

/Stefan

Netlist · 7th August 2005, 08:41 PM

These are tough ones but something like a MJ15001 or so would surely do the trick.

/Hugo

djk · 9th August 2005, 08:04 AM

They were probably 2N3055.

MJ15003
MJ15015
MJ15022/24
MJ21194

7th August 2005, 07:47 PM	#1
Måsen diyAudio Member Join Date: Nov 2004 Location: Sandviken	Obsolete transistors Hi! Transistors V712 and V713, Motorola 7320001 (TO3), on this power amplifier are dead. I can not find new transistors. Can I use replacement transistors? What brand/type? Transistors V710/V711 are BD529/BD530. http://hem.bredband.net/scarl/Sonab.jpg /Stefan

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7th August 2005, 08:41 PM	#2
Netlist diyAudio Moderator Join Date: Jan 2003	These are tough ones but something like a MJ15001 or so would surely do the trick. /Hugo

9th August 2005, 08:04 AM	#3
djk diyAudio Member Join Date: Feb 2001 Location: USA	They were probably 2N3055. MJ15003 MJ15015 MJ15022/24 MJ21194

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