Forssel-Tube-opa-sch维修电路原理图.pdf

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V1-2V1-1V1-3VT1A12AT7/6072/12AX7V1-7V1-6V1-8VT1BV1-2V1-1V1-3VT2A6922/6DJ8V1-7V1-6V1-8VT2B6922/6DJ8R3100kR4100kR7330 ohmR815k/2wattR9330 ohmR51 MegR61 MegR11 MegQ12SK170C10.22/250vC20.22/250vC50.47/250v+350 VDCR21 MegC447/250vR1010k+ In- InOutputVR11k Trim Pot-12 thru -36 VDCAdj for Proper Current through Diff-Amp Tubes12AT7A/6072A/12AY7 = 2-4 ma each triode12AX7A/7025 = 1 ma Max per TriodeForssell Technologies Vacuum Tube Opamp AmpR1110k/2wC310/450vRadioFans.CN 收音机爱 好者资料库