[sdiy] [OT] LM13700 spotted in commercial product of big Manufacturer

Tom Wiltshire tom at electricdruid.net
Sat May 14 16:54:45 CEST 2022


Because, in DIP form at least, the device has been discontinued. The SMD part will probably stick around, but it's not exactly going to ever be a major seller.

> On 14 May 2022, at 15:13, Quincas Moreira via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> I don’t understand… why would the LM13700 not be a wise choice? It’s an excellent OTA used in numerous applications!
> 
> On Sat 14 May 2022 at 8:54 Steve via Synth-diy <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
> Howdy,
> 
> the bassguitar amplifer "Rumble 40" by none less than Fender,
> 
> has, in area D..C / 6..7  on page 1, and others, a LM13700.
> 
> Is that just a not-wise choice, or do they know it won't be buried in
> the ancient parts graveyard for a while?
> 
> Scroll a bit down, to the left, there's a captcha field, after getting
> through it, one can download.
> 
> https://elektrotanya.com/fender_rumble_40_v3_sch.pdf/download.html <https://elektrotanya.com/fender_rumble_40_v3_sch.pdf/download.html>
> 
> 
> - Steve
> 
> 
> 
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> 	
> Quincas Moreira
> Director | QMA
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> email:  quincas at gmail.com <mailto:quincas at gmail.com>
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