many thanks to Jacob Erland (www.gyraf.dk) for his DIY projects!

• UREI 1176 FET compressor [gyraf audio]
• SSL MIXBUS stereo compressor [gyraf audio]
• Calrec EQ [gyraf audio]
• Gyratec G IX Tube Mic Preamp [gyraf audio]
• Gyraf Tube Pultec Equalizer [gyraf audio]
• Teletronix LA2 [just startet]
• Cd Player
• Repairing a Soundcraft 2400 analog desk
• EMT 140 plate reverb
• DIY TFT computer screen attachment
• SPL transient designer
• Frontpanels (schaeffer apparatebau frontpanel designer)
• OP amps [easy explained!]
• Making Front Panels
• Etching the “printed circuit boards”
• Matching FETs
• test equipment
• ML-303 ... a Roland TB-303 clone
• labcam
• studiowindow
• DIY studio [in progress]
• Gigaset repair DIY [german]