[sdiy] Spare MN3009 for Juno 106

Florian Anwander fanwander at mnet-online.de
Sun Jun 17 20:05:14 CEST 2018


Hello Brian

On 17.06.18 02:35 , rsdio at audiobanshee.com wrote:
> That’s a handy page.
Thanks!
> Parts are so cheap today that I’d recommend replacing the 8.2 kΩ resistors with 2.05 kΩ resistors. You have to buy 1% resistors, probably metal film, to get that value, but they’re only $0.10 in single quantity, so shipping will be more than that anyway.
>
> The reason I say this is that the 2.2 kΩ suggestion on that web page could be as much as 13% too high, resulting in a longer delay than original. Assuming the factory resistors are 5%, the 2.2 kΩ resistors could change the tone of the chorus.
>
> It’s cheap enough to literally divide the original resistor values by 4 and just spend a few pennies more to keep the delay times as close to original as possible.
Very legitimate comment. I will add that to the page


> I didn’t see resistor values for anything besides the Juno 106, so I didn’t look into it any further.
I do not elaborate this on the page, because all the schematics are 
available, and people who want to do this modification, should be able 
to do get the right values themselves.


Florian





More information about the Synth-diy mailing list