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Op-amp Based RIAA Phono Preamp for MM ... - DIY …
https://diyaudioprojects.com/Chip/Opamp-Phono-Preamp/
Design Considerations - Op-amp based Phono Preamp. The circuit is a non-inverting IC based filter with significant gain. Four of the components in the feedback loop determine the proper RIAA compensation. Slight variation in …
Best DIY preamp | diyAudio
https://www.diyaudio.com/community/threads/best-diy-preamp.164887/
Dodd Audio has just released a kit version of their tube buffer preamp for $350. I own a Pass B1 but every commercial review I've come across on the Dodd preamps rank them as some of the best you can buy. Dodd is offering the kit …
Discrete vs op-amp for pre-amp | diyAudio
https://www.diyaudio.com/community/threads/discrete-vs-op-amp-for-pre-amp.355119/
I am considering a high-end preamp/dac build and was thinking what would give me the best results when choosing between a high-end op-amp and discrete components like a JFET differential amplifier with a BJT push/pull output stage in class A mode. I can see that a lot of hobby builders tend to...
Notes on Audio Op-Amps - Tangentsoft
https://tangentsoft.net/audio/opamps.html
This is a jellybean chip that was popular for audio back in the 80's. Open up an old CD player or preamp, and there's a pretty good chance you'll find a TL072. The 071 is the single version, and the 072 is the dual. There is also a letter or three in there, which indicates the part's tolerance and sometimes a variation code.
Audio Designs With Opamps
https://sound-au.com/dwopa.htm
Designing With Opamps - Part 1. There are few audio frequency designs today that do not use operational amplifiers (op-amps, or just 'opamps'). Over the years, the poor opamp has been much maligned, with mainly spurious claims about 'audibility', distortion, and other so-called defects. There are even people who will compare the bass ...
5 Simple Preamplifier Circuits Explained - Homemade ...
https://www.homemade-circuits.com/small-amplifier-circuit/
I think the audio signal level from set top box is not sufficient for the FM module. Please suggest me a good quality stereo audio small signal preamplifier circuit which can work from 5 or 6 volts single supply, that would not load the set top box, preferably using good low noise op-amp with detailed circuit and parts label.
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