Interstage transformer

Inter-stage transformer
Name Primary impedance Zp Driver management Data
NC-20 5kΩ rp=1~10kΩ 6AH4,6V6(T) 5687,6463 TANGO NC-20
NC-14 5kΩ rp=3~7kΩ 6V6(T),5687 6F6(T),6350
NC-16 7kΩ rp=5~10kΩ 6SN7,76 12AU7,6350  TANGO NC-16
Combining driver tube, recommended in the range of value of the plate internal resistance rp is are described in the field of Zp.


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