[sdiy] Vintage transistor ID's? !!help!!

[Christophe Janot]

alltransistors.com will be your friend ;-)

Le 5 juin 2012 à 17:02, Steve Maietta a écrit :

> Hey all, I am leading a few of my students on the path of reverse engineering and cloning a vintage Electro-Harmonix guitar amplifier. (A Mike Matthews Freedom Amp)  
> 
> We're moving right along but are stumped with the ID and finding suitable replacement of a few old, black blob transistors..
> 
> In the preamp section:
> FS37000
> 2N5133
> 
> In the power amp section:
> FS37001 
> FS37003
> 
> These next are big TO3 package, heatsinked. NPN/PNP pair i'm assuming..
> FS37004
> FS37005
> 
> If anyone could help it would be great!!!!    
> Are these PNP/NPN and what would be a current replacement?  wev'e got one week left!
> 
> thanks a ton!
> ~Steve
> 
> and yes I plan on sharing all the info and drawings when we're done..
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