The Tube Directory
INDEX

6C33C

6C41C

6C19C

300B

VV30B

2A3

KT66

KT77

KT88

EL34

6L6 / 5881

6550

807

5998

8417

12AX7 / ECC83

12AT7 / ECC81

12AU7 / ECC82

6189

6680

6DJ8 / ECC88 / 6922

6SL7

6SN7

5U4

SOFIA CURVE TRACER

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Attention: Audiomatica doesn't produce the Sofia tubes tester anymore