| Part No. | Where Used | Description | |
| 411-1 | O-7, OM-1 | 5BP1 - 5BP4 or 5GP1 | |
| 411-10 | SB-620, AV-1, HO-13 | 6AT6 | |
| 411-103 | CA-1 | 2D21 | |
| 411-104 | AR-3 | 12V6GT | |
| 411-105 | RX-1 | 6CS6 | |
| 411-108 | SB-10 | EL84/6BBQ5 | |
| 411-109 | DX-40, DX-60 | 6DE7 | |
| 411-11 |
SB-100,
SB-620, AG-9A, VF-1, AV-1, DX-100, TS-3, SB-101, TT-1, HW-32, HW-22A, HW-12, HX-10 |
6AU6 | |
| 411-111 | IT-12 | 12CA5 | |
| 411-113 | HR-20, RX-1 | 6BJ7 | |
| 411-120 | IT-28, IT-11 | 6E5 | |
| 411-121 | HW-30, IO-10 | 6BS8 | |
| 411-124 |
SB-100,
SB-101, SB-620, IO-20, HR-20, HO-13, SB-110A, HW-32, HW-16, HW-22A, HW-12, HX-10 |
6EA8 | |
| 411-125 | XC-6 | 6AK5 | |
| 411-126 | HR-20 | 6BZ6 | |
| 411-128 | SB-100, SB-101, SB-610, IT-28, HO-10, IT-11 | 6BN8 | |
| 411-13 | AG-8, PS-2, PS-3 | 6SJ7GT | |
| 411-130 | HA-10 | 866A | |
| 411-137 | TT-1 | 3A4 | |
| 411-140 | IP-10, IO-10 | 0C2 | |
| 411-142 | SB-610, HO-10, HO-13, IO-10 | 3RP1 | |
| 411-151 | HA-10 | 811A | |
| 411-155 | GR-91 | 50C5 | |
| 411-156 | IT-28, IT-11 | 6AX4 | |
| 411-161 | HR-20, SB-110A, HW-32, HW-22A, HW-12 | 6BE8 | |
| 411-167 | SB-610, HO-10, HO-13 | 6C10 | |
| 411-168 | SB-610, HO-10 | 6J11 | |
| 411-17 | T-3, AG-8, CM-1, PS-3, TS-3, QM-1 | 6X5GT | |
| 411-170 | SB-610, SB-620, SB-630, HO-13, HW-16 | 6EW6 | |
| 411-171 | HW-16 | 6HF8 | |
| 411-173 | SB-100, SB-101 | 6GW8 | |
| 411-182 | SB-110A | 6DS4 | |
| 411-185 | HW-32, HW-16, HW-22A, HW-12 | 6GE5 | |
| 411-198 | HA-14, SB-200, SB-201 | 572-B/T160-L | |
| 411-2 | AT-1, DX-20, DX-35, DX-40, HX-10 | 5U4G | |
| 411-203 | GR-64 | 12AQ5 | |
| 411-21 | T-3, AR-2 | 12A6 | |
| 411-211 | SB-110A | 6AZ8 | |
| 411-218 | SB-110A | 6AZ8 | |
| 411-22 | T-3 | 12C8 | |
| 411-232 | SB-620 | 3RP7 | |
| 411-24 |
SB-100,
AA-1, AG-10, XC-6, TS-3, RF-1, QM-1, SB-10, SB-101, O-7, SB-110A, OM-1, HW-32, RX-1, HW-22A, HW-12, HX-10 |
12AT7 | |
| 411-245 | SB-220, SB-221 | 3-500Z | |
| 411-25 |
SB-100,
SB-620, AA-1, IO-20, DX-35, TS-3, QM-1, HX-10, SB-101, HO-10, O-11, V6, SG-8, OM-1, IM-11, IO-10 |
12AU7 | |
| 411-26 |
AA-1,
IO-20, GD125, QF-1, DX-35, DX-40, DX-60, DX-100, SB-10, OM-1, HW-29, HW-30, HW-16, IT-12 |
12AX7 | |
| 411-264 | IM-102, SB-650 | NL9055 B-58595 |
|
| 411-27 | T-3 | 12SH7 | |
| 411-28 | PS-2, PS-3 | 1619 | |
| 411-284 | IB-1100 | ZM100D | |
| 411-29 | C-3 | 1626 | |
| 411-298 | SB-230 | 8873 | |
| 411-3 | AR-2, AR-3, O-7 | 5Y3 | |
| 411-30 | T-3, C-3, IT-12 | 1629 | |
| 411-32 | QM-1 | 0D3/VR150 | |
| 411-33 | V6 | 6H6 | |
| 411-35 | DX-100, PS-2, PS-3, RX-1 | 5V4 | |
| 411-4 | AA-1, O-7, O-11, SG-8 | 6C4 | |
| 411-40 | DX-100, QM-1, SB-10, TT-1, IM-11, HX-10 | 6AL5 | |
| 411-41 | PS-2 | 0C3/VR105 | |
| 411-42 | AG-8 | 6AK6 | |
| 411-44 | GD-1A, GD-1B | 6AF4 | |
| 411-46 | EC-1, EUW-15, HX-10 | 0B2 | |
| 411-47 | DX-100 | 1625 | |
| 411-49 | IO-20, O-11 | 5UP1 | |
| 411-5 | O-7 | 6J5 | |
| 411-50 | AR-2, AR-3, GR-64, GR-91 | 12BE6 | |
| 411-51 | AR-2, AR-3, GR-64, GR-91 | 12BA6 | |
| 411-52 | AR-2, AR-3, GR-64, GR-91, TT-1 | 12AV6 | |
| 411-53 | AT-1 | 6AG7 | |
| 411-56 | IB-28 | 1U4 | |
| 411-57 | IB-28 | 1L4 | |
| 411-58 | O-11 | 6AB4 | |
| 411-59 |
SB-100,
SB-630, CM-1, EC-1, VF-1, DX-100, I-32, RX-1, PS-3, TS-3, HA-20, HR-20, IP-17, SB-101, SB-110A, IO-10, HX-10 |
0A2 | |
| 411-60 | EC-1, DX-100, TS-3, HW-29, HW-30, RX-1 | 6AQ5 | |
| 411-63 |
SB-100,
AG-9A, AG-10, DX-20, DX-40, DX-60, SB-10, SB-101, HW-29, HW-16, HX-10 |
6CL6 | |
| 411-64 | AA-1, AG-9A, IP-32, IP-17, O-11, OM-1, IO-10 | 6X4 | |
| 411-65 | IO-20, HO-10, HO-13, O-11, OM-1, IO-10 | 1V2 | |
| 411-67 | SB-100, SB-101, SB-110A, AG-10, HX-10 | 6CB6 | |
| 411-68 | RF-1, O-11, HW-29 | 6AN8 | |
| 411-69 | DX-35, DX-100, SB-110A, HW-32, HW-22A, HW-12 | 12BY7 | |
| 411-72 | CM-1 | 6BX7GT | |
| 411-73 | EC-1, O-11, IO-10 | 12BH7 | |
| 411-75 |
SB-100,
SB-101, DX-35, DX-40, DX-60, DX-100, HA-20, SB-110A, HX-10 |
6146 | |
| 411-76 | DX-100, HX-10 | 5R4GY | |
| 411-77 | DX-100 | 5763 | |
| 411-8 | AT-1, EUW-15, IP-32, IP-17 | 6L6 - 6L6GC | |
| 411-80 | EC-1 | 6U8 | |
| 411-90 | RX-1 | 6BA6 | |
| 411-91 | HR-20, HW-32, HW-22A, HW-12 | 6BE6 | |
| 411-95 | EC-1, EUW-15, IP-32, IP-17 | 6BH6 | |
| 411-96 | AG-10, HX-10 | 6AW8 | |
| 411-97 | DX-20 | 6DQ6A | |
| 411-98 | HW-29, HW-30 | 6BA8 | |
| 411-99 | O-11 | 6DT6 | |