Theory and measurement

• Distortion in JFET input stages
• Measurement of speaker distortion

DIY projects

• PRICELIST
• OPENAMP1 - MM phono preamplifier open project
• Audio Buffer
• PRE4 preamp with 2SK170(simple-differential input)
• Dispre 2 - JFET (complementary-differential input)
• ZT15VA power supply documentation
• ZT15VA power supply image

Reference components

• PhonoFet - preamplifier for MM cartridge
• pre standard preamplifier
• SYMFET (08/2010)
• PA4 Power Amplifier
• Contact