Timeline for What is causing this Op-Amp Distortion
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 27, 2017 at 20:23 | answer | added | ThreePhaseEel | timeline score: 4 | |
| Aug 27, 2017 at 18:43 | answer | added | Olin Lathrop | timeline score: 6 | |
| Aug 27, 2017 at 17:42 | comment | added | Bimpelrekkie | -1 for not mentioning that what is crucial: what opamp you're using Almost no opamp can drive a low impedance speaker and certainly not 15 W. If you'd be using a suitable opamp then probably you would have mentioned that because then you'd know not all opamps are the same. | |
| Aug 27, 2017 at 17:14 | comment | added | analogsystemsrf | With heavy bass, say 100Hertz, the power supply may not have the charge storage to provide current to the speaker, even if the OpAmp has the output current rating. Also, 1 volt across 8 ohms requires 120 milliAmps (0.12 amps) and no standard opamp will handle that (heatsinking required). | |
| Aug 27, 2017 at 17:12 | comment | added | Andy aka | An op-amp is not a power amp but you can get some op-amps that are called power op-amps. | |
| Aug 27, 2017 at 17:09 | answer | added | bobflux | timeline score: 2 | |
| Aug 27, 2017 at 17:08 | answer | added | Nils Pipenbrinck | timeline score: 8 | |
| Aug 27, 2017 at 16:51 | history | asked | Cal Hensley | CC BY-SA 3.0 |