MIG-LR/S Tube Preamp for Transistor Leslies: Unterschied zwischen den Versionen
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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 and 1SH24b may be used; choose anode resistor (22kOhms to 47kOhms) to yield anode voltage of 12 to 15 V. ICs used are CD4066 and CD4069 (best soundig are from Phillips/NXP). | 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 CD4066 and CD4069 (best soundig are from Phillips/NXP). | ||
'''[http://www.keyboardpartner.de/hammond/lesliemods.htm Complete description (old KeyboardPartner site)]''' | '''[http://www.keyboardpartner.de/hammond/lesliemods.htm Complete description (old KeyboardPartner site)]''' | ||
Version vom 19. September 2013, 13:46 Uhr
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 CD4066 and CD4069 (best soundig are from Phillips/NXP).
Complete description (old KeyboardPartner site)
Dokumentation/Installation Manual - Download als PDF
(english) Documentation/Installation Manual - Download as PDF
