List of vacuum tubes

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This is a list of vacuum tubes:

Contents 1 American designation (with European equivalents) 1.1 1 1.2 5 1.3 6 1.4 12 1.5 25 1.6 50 2 European designation (with American equivalents) 2.1 ECC 2.2 EL 2.3 KT 3 Numbered tubes 4 Russian tubes

[edit] American designation (with European equivalents)

RETMA tube designation

[edit] 1

• 1L6

[edit] 5

• 5Y3

[edit] 6

• 6AQ5 (EL90)
• 6BQ5 (EL84)
• 6CA7 (EL34)
• 6DJ8 (ECC88)
• 6J5
• 6L6 (EL37)
• 6SN7
• 6V6

[edit] 12

• 12AT7 (ECC81)
• 12AU7 (ECC82)
• 12AX7 (ECC83)

[edit] 25

• 25L6

[edit] 50

• 50L6

[edit] European designation (with American equivalents)

Mullard-Philips tube designation

[edit] ECC

• ECC81 (12AT7)
• ECC82 (12AU7)
• ECC83 (12AX7)
• ECC88 (6DJ8)

[edit] EL

• EL34 (6CA7)
• EL84 (6BQ5)
• EL90 (6AQ5)

[edit] KT

KT stands for "Kinkless Tetrode"

• KT66
• KT88

[edit] Numbered tubes

• 845
• 5814A (industrial, computer rated version of 12AU7)
• 6922 (E88CC, industrial version of 6DJ8/ECC88)
• 7308 (E188CC, premium version of 6922)

[edit] Russian tubes

• 6N1P (similar to 6DJ8/ECC88)
• 6N2P (similar to 12AX7/ECC83]])
• 6N3P (2C51)
• 6P1P (similar to 6AQ5/EL90)
• 6P6S (6V6)
• 6P14P (6BQ5/EL84)