diyAudio Forums Archive > Top > Amplifiers > Solid State Need to know about a MOS. FET output stage ( the Baby 300B) power amp plans - Click HERE for Original Thread gaetan8888 Hello I would like to build this MOS. FET output stage ( it's named the Baby 300B) power amp from this web page ? http://www.geocities.com/Tokyo/5913/ (click on the "MOS. FET output stage" ) Anyone did build it and test it for specs and on a spectrum analyser to see if it's odd or pair order distortion ? What would you say any about it schematic ? How good does it sound compared to a good tube amp ? Can I use a high end OPA627 or OPA637 op-amp do boost the input sensitivity ? Thank you Gaetan, Canada tomahauk this output stage have vlotage gain less than 1, if u want to have the amplitude +-30 on output, u must use preamp with +- 30V on output like this http://www.geocities.com/Tokyo/5913/hybrid.html

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