2SC1583

[BJ]

Tony Allgood wrote:
> 
> Hi,
> 
> I am looking for two 2SC1583 npn pairs. I want to build the TB303 filter
> with these and then do a comparison with 3046 and 2210 pairs to see if
> there is a difference in output. I don't suppose for a minute that there
> will be an appreciable difference, but so many websites out there say
> that the best clones use the Japanese part, so I have got to try it just
> to find out. So if anyone knows of any suppliers, preferably in the UK,
> give me a shout. Roland UK have informed me that the part is no longer
> made and they carry no stock. I used the SSM2210 in the VCO I made, and
> I certainly do not believe that the 2SC1583 expo, strange as it is, has
> any effect on the VCO output.
> 
> I will also shortly be doing a comparison between a LM13700 and the
> BA662A VCA.

Please do I'm intrested in the results, i recall the BA662 was a 
typical Roland device in the erlier days of analogue at Roland. 

I have used the 2SC583 and can say so much that it worked well for me
anyway.
2SC1583 is a japanese device.

Reg
BJ