Tube Substitution
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Device Name
Substitute
Z900T
5823
ZA2
954
ZD152
6N8
ZD17
1S5
ZD25
1AH5
ZZ1000
8228
12ZF5
85-LF1
12ZF5
32B8
12HF6
12HF6A
12HF6
ECC121
12HF6
ECC121A
6LQ6
6JM6
