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Mullard ECC801S=12AT7WA ...
USD$35.26
Product 1/1
# About KT88 ,6550 ,TT21 , KT90 ,KT100
USD$0.00/per piece
Click to enlarge
Stock : *** pcs.
KT88 = TT21 + pin 3 connected to cap ; 6550 ; KT90 ; KT100 , basically these tubes have the same pin layouts and similar characteristics. However, please note that the max. plate dissipation is different.
KT88 max. plate dissipation 35W
TT21 max. plate dissipation 37.5W
6550 max. plate dissipation 40W
KT90 max. plate dissipation 50W
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