<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Before dsp became ubiquitous, we used to regularly use ne5517s or lm13700 in consumer audio for volume control and limiting circuits .  Used to buy these by the millions.  I’m sure they’re still used by some companies.</div><div dir="ltr"><br><blockquote type="cite">On May 14, 2022, at 3:44 PM, Quincas Moreira via Synth-diy <synth-diy@synth-diy.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div>Interesting.</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat 14 May 2022 at 9:54 Tom Wiltshire <<a href="mailto:tom@electricdruid.net">tom@electricdruid.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div style="word-wrap:break-word;line-break:after-white-space"><br><div>
<div>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.</div>

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<div><br><blockquote type="cite"><div>On 14 May 2022, at 15:13, Quincas Moreira via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a>> wrote:</div><br><div><div dir="auto">I don’t understand… why would the LM13700 not be a wise choice? It’s an excellent OTA used in numerous applications!</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat 14 May 2022 at 8:54 Steve via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">Howdy,<br>
<br>
the bassguitar amplifer "Rumble 40" by none less than Fender,<br>
<br>
has, in area D..C / 6..7  on page 1, and others, a LM13700.<br>
<br>
Is that just a not-wise choice, or do they know it won't be buried in<br>
the ancient parts graveyard for a while?<br>
<br>
Scroll a bit down, to the left, there's a captcha field, after getting<br>
through it, one can download.<br>
<br>
<a href="https://elektrotanya.com/fender_rumble_40_v3_sch.pdf/download.html" rel="noreferrer" target="_blank">https://elektrotanya.com/fender_rumble_40_v3_sch.pdf/download.html</a><br>
<br>
<br>
- Steve<br>
<br>
<br>
<br>
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</blockquote></div></div>-- <br><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><table width="500" cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse;font-family:Lato,sans-serif;font-size:13px;color:rgb(97,97,97)"><tbody style="font-family:Lato,sans-serif"><tr style="font-family:Lato,sans-serif"><td style="font-family:Lato,sans-serif"><table cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse;font-family:Lato,sans-serif"><tbody style="font-family:Lato,sans-serif"><tr style="font-family:Lato,sans-serif"><td valign="top" width="100" style="padding:0px 8px 0px 0px;vertical-align:top;font-family:Lato,sans-serif"><img alt="QMA" width="100" src="https://img.mysignature.io/p/d/b/2/db2c62d7-5170-5fef-927b-d8a4167b4321.png?time=1561593407" style="width: 100px; border-radius: 10%; font-family: Lato, sans-serif;" data-unique-identifier=""></td><td valign="top" style="font-size:1em;padding:0px 15px 0px 8px;vertical-align:top;font-family:Lato,sans-serif"><table cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse;line-height:1.4;font-family:Georgia,serif;font-size:12.09px;color:rgb(0,0,1)"><tbody style="font-family:Georgia,serif"><tr style="font-family:Georgia,serif"><td style="font-family:Georgia,serif"><div style="font-stretch:normal;font-size:1.2em;line-height:normal;font-family:Georgia,serif">Quincas Moreira</div></td></tr><tr style="font-family:Georgia,serif"><td style="padding:4px 0px;font-family:Georgia,serif"><div style="font-family:Georgia,serif">Director | QMA</div></td></tr><tr style="font-family:Georgia,serif"><td style="font-family:Georgia,serif"><span style="font-family:Georgia,serif;color:rgb(100,100,100)">mobile: </span> <span style="font-family:Georgia,serif"><a href="tel:5534988825" style="font-family:Georgia,serif;color:rgb(0,0,1)" target="_blank">5534988825</a></span></td></tr><tr style="font-family:Georgia,serif"><td style="font-family:Georgia,serif"><span style="font-family:Georgia,serif;color:rgb(100,100,100)">site: </span> <span style="font-family:Georgia,serif"><a href="http://quincasmoreira.com/" style="font-family:Georgia,serif;color:rgb(0,0,1)" target="_blank">quincasmoreira.com</a></span></td></tr><tr style="font-family:Georgia,serif"><td style="font-family:Georgia,serif"><span style="font-family:Georgia,serif;color:rgb(100,100,100)">email: </span> <span style="font-family:Georgia,serif"><a href="mailto:quincas@gmail.com" style="font-family:Georgia,serif;color:rgb(0,0,1)" target="_blank">quincas@gmail.com</a></span></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table><table cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse;font-family:Lato,sans-serif;font-size:13px;color:rgb(97,97,97)"><tbody style="font-family:Lato,sans-serif"><tr style="font-family:Lato,sans-serif"><td style="display:block;padding:15px 0px 0px;font-family:Lato,sans-serif"></td></tr><tr style="font-family:Lato,sans-serif"><td style="border-top-width:1px;border-top-style:solid;padding-top:5px;font-size:10px;font-family:Arial;border-top-color:rgb(238,238,238)"><br></td></tr></tbody></table></div></div></div></div>
_______________________________________________<br>Synth-diy mailing list<br><a href="mailto:Synth-diy@synth-diy.org" target="_blank">Synth-diy@synth-diy.org</a><br><a href="http://synth-diy.org/mailman/listinfo/synth-diy" target="_blank">http://synth-diy.org/mailman/listinfo/synth-diy</a><br>Selling or trading? Use <a href="mailto:marketplace@synth-diy.org" target="_blank">marketplace@synth-diy.org</a><br></div></blockquote></div><br></div></blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><table width="500" cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse;color:rgb(97,97,97);font-family:Lato,sans-serif;font-size:13px"><tbody><tr><td><table cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse"><tbody><tr><td valign="top" width="100" style="padding:0px 8px 0px 0px;vertical-align:top"><img alt="QMA" width="100" src="https://img.mysignature.io/p/d/b/2/db2c62d7-5170-5fef-927b-d8a4167b4321.png?time=1561593407" style="width:100px;border-radius:10%" data-unique-identifier=""></td><td valign="top" style="font-size:1em;padding:0px 15px 0px 8px;vertical-align:top"><table cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse;line-height:1.4;font-family:Georgia,serif;font-size:12.09px;color:rgb(0,0,1)"><tbody><tr><td><div style="font-stretch:normal;font-size:1.2em;line-height:normal;font-family:Georgia,serif">Quincas Moreira</div></td></tr><tr><td style="padding:4px 0px"><div style="font-family:Georgia,serif">Director | QMA</div></td></tr><tr><td><span style="font-family:Georgia,serif;color:rgb(100,100,100)">mobile: </span> <span><a href="tel:5534988825" style="color:rgb(0,0,1);font-family:Georgia,serif" target="_blank">5534988825</a></span></td></tr><tr><td><span style="font-family:Georgia,serif;color:rgb(100,100,100)">site: </span> <span style="font-family:Georgia,serif"><a href="http://quincasmoreira.com/" style="color:rgb(0,0,1)" target="_blank">quincasmoreira.com</a></span></td></tr><tr><td><span style="font-family:Georgia,serif;color:rgb(100,100,100)">email: </span> <span><a href="mailto:quincas@gmail.com" style="color:rgb(0,0,1);font-family:Georgia,serif" target="_blank">quincas@gmail.com</a></span></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table><table cellspacing="0" cellpadding="0" border="0" style="border-spacing:0px;border-collapse:collapse;color:rgb(97,97,97);font-family:Lato,sans-serif;font-size:13px"><tbody><tr><td style="display:block;padding:15px 0px 0px"></td></tr><tr><td style="border-top:1px solid rgb(238,238,238);padding-top:5px;font-size:10px;font-family:Arial"><br></td></tr></tbody></table></div></div></div></div>
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