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NJM4558D opamps will be discontinued...
Posted: Thu Sep 11, 2025 10:05 pm
by laurie
https://www.mouser.com/PCN/Nisshinbo_Mi ... 5_0081.pdf
This means that no new designs using our favorite NJM4558D opamps in a couple of years.
Re: NJM4558D opamps will be discontinued...
Posted: Fri Sep 12, 2025 6:09 am
by Pepe
WHAT?!
Well, these are on the market for around 50 years, so that was a very long life-span. But still ...
Re: NJM4558D opamps will be discontinued...
Posted: Fri Oct 03, 2025 6:56 am
by fuzzbuzzfuzz
Interesting. I wonder how the “M” and “C” variants they will continue to manufacture sound?
Side note: I see already a hierarchy appearing in used sales of TS and SD-1s based on the specific 4558 chip installed with the more sought after chip variant commanding the higher price (presumably related to age dating the pedal AND sound).
Re: NJM4558D opamps will be discontinued...
Posted: Sun Oct 05, 2025 7:12 pm
by laurie
I just grabbed 250 of them, just in case they are in short supply in the future.
Re: NJM4558D opamps will be discontinued...
Posted: Tue Oct 07, 2025 2:53 am
by fuzzbuzzfuzz
laurie wrote: ↑Sun Oct 05, 2025 7:12 pm
I just grabbed 250 of them, just in case they are in short supply in the future.
How did you purchase those Laurie?
Re: NJM4558D opamps will be discontinued...
Posted: Tue Oct 07, 2025 8:19 am
by laurie
fuzzbuzzfuzz wrote: ↑Tue Oct 07, 2025 2:53 am
laurie wrote: ↑Sun Oct 05, 2025 7:12 pm
I just grabbed 250 of them, just in case they are in short supply in the future.
How did you purchase those Laurie?
I used my account at mouser.ca