Page 63 - Triwatt Custom Lead Amp Builder's Guide
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Appendix 1 - Tube Substitutions
12AX7 - High-Mu Twin Triode
Close or identical : 12AX7R, CV10319, CV492, ECC83
Different rating or performance : 12AX7A, 12AX7S, 12AX7WA, 5751, 5751WA, 6057, 6681,
6L13, 7025, 7382, 7494, 7729, B339, CK5751, CV4004, CV4017, CV8156, CV8222, CV8312,
E2164, E83CC, ECC803, ECC803S, ECC863, M8137, QB339
12AT7 - Medium-Mu Twin Triode
Close or identical: CV10662, CV455, CV8154, CV9859, ECC81
Different rating or performance: 12AT7WA, 12AT7WC, 6060, 6201, 6679, 7492, 7728, A2900,
B152, B309, B739, CC81E, CK6201, CV4024, E2157, E81CC, ECC801, ECC801S, M8162,
QA2406, QA2407, QS2406
6V6GT – Audio Beam Tetrode Power Tube
Close or Identical: 5871, 6AY5, 6P6C*, 6V6, 6V6G, 6V6GTA, 6V6GTY, 6V6Y, 7184, CV509,
CV510, CV511, OSW3106, VT107, VT227, WT2100082, WTT123, 6Pi6
KT66 - Audio Beam Tetrode Power Tube
Close or identical CV1075, CV321, VT75(RAF)
TrinityAmps TRIWATT Builders Guide Ver. 2.31.docx
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