Quelltext der Seite MIG-LR/S Tube Preamp for Transistor Leslies

[[Datei:MIG-L.jpg|450px|thumb|right|'''The MIG-L Leslie Tube Overdrive worked with a real tube. It can be mounted on your Leslie's active crossover circuit board with two screws and four wires.
''']]

Due to '''quality issues''' on russian surplus tubes available on the market today, the MIG-LR tube preamp is no longer available by KeyboardPartner. I don't have any parts or PCBs left. But if you happen to get one of these tubes, you can '''make your own MIG-LR''' by etching a PCB and soldering your own parts. Tubes 1SH18b (1J18b) and 1SH24b (1J24b) may be used; choose anode resistor (22kOhms to 47kOhms) to yield anode voltage of 12 to 15 V on 28V power supply. ICs used are CMOS logic types CD4066 and CD4069 (best sounding are made by Phillips/NXP).

'''[http://www.keyboardpartner.de/hammond/lesliemods.htm Complete description (old KeyboardPartner site)]'''

'''[http://www.keyboardpartner.de/hammond/diagrams/MIG-LRII-d.pdf Dokumentation/Installation Manual - Download als PDF]'''

'''[http://www.keyboardpartner.de/hammond/diagrams/MIG-LRII-e.pdf (english) Documentation/Installation Manual - Download as PDF]'''

'''[http://www.keyboardpartner.de/hammond/diagrams/MIG-LR_schem.pdf Latest version, schematic]'''

'''[http://www.keyboardpartner.de/hammond/diagrams/MIG-LR_layout.pdf Latest version, layout]'''

'''[http://www.keyboardpartner.de/hammond/diagrams/MIG-LR_silk.pdf Latest version, silk/parts placement]'''

'''[http://www.keyboardpartner.de/hammond/diagrams/tubes/Russen/ Russian tube datasheets are available here]'''