Thanks for visiting the Silent Key Vacuum Tube Sale Website. The tubes listed on this website come from the families of silent keys that ARROW is helping. All proceeds go back to the families of the Silent Key.
Check out the Equipment List HERE
The table below is a changing list and will be updated as new items are documented and items are sold.
The table was last updated on 5/1/2026 at 22:58 UTC.
New items added 5/1/2026 at 22:58 UTC
If you are interested in any items on this page, please send an email to sk@w8rp.org with the following information.
– Your name & callsign
– Item(s) you are interested in (Manufacturer, Part Number, Quantity)
– Price you would like to pay for each item
Items are located in southeast Michigan, shipping available (buyers expense)
Please be patient with us as we are volunteers supporting this effort.
| Manufacturer | Part Number | Quantity | Original Box | Notes |
| Tung-Sol Electric Inc. | 2J1U4 | 3 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2J1L4 | 2 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2J1R5 | 2 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2J1S5 | 1 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2J1AE4 | 1 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2J3Q4 | 2 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2J3B4 | 1 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2J3A5 | 1 | Yes | Spare Parts for RT-70/GRC |
| Tung-Sol Electric Inc. | 2Z5 877-21 | 1 | Yes | Spare Parts for RT-70/GRC – 3pk Dial Lamp |
| Realistic International | 6CF6 | 2 | Yes | |
| Realistic International | 6CF6 / 6CB6A | 1 | Yes | |
| Realistic International | 6CB6A | 1 | Yes | |
| Realistic International | 6AS5 | 1 | Yes | |
| Realistic International | 6AQ5 | 1 | Yes | |
| Realistic International | 6BL8 | 1 | Yes | |
| Realistic International | 6BQ5 | 1 | Yes | |
| Realistic International | 6CM7 | 1 | Yes | |
| Realistic International | 6EW6 | 1 | Yes | |
| Realistic International | 6HJ8 | 1 | Yes | |
| Realistic International | 6GJ7 | 1 | Yes | |
| Realistic International | 12AT7 ECC81 | 1 | Yes | |
| Realistic International | 12BL6 | 1 | Yes | |
| Realistic International | 12AU7A ECC82 | 1 | Yes | |
| Realistic International | 12AX7A | 1 | Yes | |
| Realistic International | 6GH8A | 8 | Yes | |
| Realistic International | 6GY6 6GX6 | 4 | Yes | |
| Realistic International | 6GS7 | 3 | Yes | |
| Realistic International | 6JC6 | 3 | Yes | |
| Realistic International | 35W4 | 1 | Yes | |
| Realistic International | 20EZ7 | 1 | Yes | |
| Realistic International | 5727 2D21 | 1 | Yes | |
| Realistic International | 5GH8A | 1 | Yes | |
| Realistic International | 6GK5 | 1 | Yes | |
| Realistic International | 6S4A | 2 | Yes | |
| Realistic International | 6HM5 6HA5 | 1 | Yes | |
| Realistic International | 6KN8 | 1 | Yes | |
| Realistic International | 6HZ6 | 2 | Yes | |
| Realistic International | 6JD6 | 1 | Yes | |
| Realistic International | 6AU6A | 1 | Yes | |
| Realistic International | 6AV6 | 1 | Yes | |
| Realistic International | 5AR4 GZ34 | 1 | Yes | |
| Realistic International | 6GF7A | 1 | Yes | |
| Realistic International | 6H6 | 1 | Yes | |
| Realistic International | 6BK4C 6EL4A | 1 | Yes | |
| DuMont | 5AN8 | 1 | Yes | |
| DuMont | 6BY6 | 18 | Yes | |
| DuMont | 6CN7 | 1 | Yes | |
| DuMont | 6DE7 | 1 | Yes | |
| DuMont | 6DK6 | 14 | Yes | |
| DuMont | 6DR7 | 8 | Yes | |
| DuMont | 6T8A | 4 | Yes | |
| DuMont | 6FV6 | 1 | Yes | |
| DuMont | 8EB8 | 1 | Yes | |
| DuMont | 9AU7 | 1 | Yes | |
| Zenith | 6GF5 | 58 | Yes | |
| Zenith | 1V2 | 3 | Yes | |
| Zenith | 6AF9 | 1 | Yes | |
| Zenith | 6AQ5A | 1 | Yes | |
| Zenith | 6BC7 | 1 | Yes | |
| Zenith | 6GS7 | 1 | Yes | |
| Zenith | 6CU5 | 1 | Yes | |
| Zenith | 6CM7 | 1 | Yes | |
| Zenith | 6CX8 | 1 | Yes | |
| Zenith | 6DE7 | 2 | Yes | |
| Zenith | 6DR7 | 1 | Yes | |
| Zenith | 6KE8 | 1 | Yes | |
| Zenith | 12BE6 | 1 | Yes | |
| RSE Radio | 6AZ8 | 1 | Yes | |
| RSE Radio | 12BE6 | 1 | Yes | |
| RSE Radio | 6AC5 | 1 | Yes | |
| RSE Radio | 117Z6GT | 1 | Yes | |
| RSE Radio | 12AY7 | 1 | Yes | |
| Lindal | 6GU7 | 4 | Yes | |
| Lindal | 1V2 | 1 | Yes | |
| Lindal | 6U8 | 1 | Yes | |
| Lindal | 6X8 | 1 | Yes | |
| Briggs & Stratton | 8AW8 | 1 | Yes | |
| ITT | 6T8 | 1 | Yes | |
| ITT | 6T8A | 1 | Yes | |
| ITT | 1V2 | 1 | Yes | |
| ITT | 6BK7B | 1 | Yes | |
| ITT | 3V4 | 1 | Yes | |
| Magnavox | 6GS7 | 1 | Yes | |
| Magnavox | 6DR7 | 3 | Yes | |
| Motorola | 7GV7 | 1 | Yes | |
| Motorola | 6HB6 | 1 | Yes | |
| Motorola | 6DT6A | 1 | Yes | |
| Motorola | 12BR7 | 1 | Yes | |
| Motorola | 3A2 | 1 | Yes | |
| Motorola | 6BY6 | 2 | Yes | |
| Motorola | 6AM8A | 1 | Yes | |
| Motorola | 6GN8 | 1 | Yes | |
| Motorola | 6LX8 / LCF802 | 1 | Yes | |
| Motorola | 6CE5 / 6BC5 | 1 | Yes | |
| Motorola | 12DK7 | 1 | Yes | |
| Motorola | 6CH8 | 2 | Yes | |
| Motorola | 6DK6 | 1 | Yes | |
| Motorola | 6AL3 | 1 | Yes | |
| Emerson | 8KA8 | 5 | Yes | |
| Emerson | 6DS4 | 5 | Yes | |
| Emerson | 6T3A | 1 | Yes | |
| Emerson | 6T8A | 1 | Yes | |
| Emerson | 12BK5 | 2 | Yes | |
| Delco | 7AU7 | 1 | Yes | |
| Delco | 12AT6 | 1 | Yes | |
| Delco | 12DZ6 | 1 | Yes | |
| Delco | 6CR6 | 2 | Yes | |
| Delco | 19J6 | 1 | Yes | |
| Zalytron | 3DT6 | 1 | Yes | |
| Zalytron | 6AU6 | 1 | Yes | |
| Zalytron | 6BN6 | 1 | Yes | |
| Zalytron | 12AY7 | 2 | Yes | |
| SilverTone | 6DE7 | 1 | Yes | |
| SilverTone | 6BE6 | 1 | Yes | |
| SilverTone | 6BH8 | 2 | Yes | |
| Rad Tel | 6DT6 | 1 | Yes | |
| Rad Tel | 12AZ7 | 1 | Yes | |
| Rad Tel | 35W4 | 1 | Yes | |
| True Tone | 25AX4GT | 1 | Yes | |
| True Tone | 1S5 3DW7160 | 1 | Yes | |
| True Tone | 6CG7 | 1 | Yes | |
| Channel Master | 6T8 | 1 | Yes | |
| Channel Master | 6CM7 | 1 | Yes | |
| Channel Master | 12BA6 | 1 | Yes | |
| Channel Master | 12AT7 | 1 | Yes | |
| Reliable Selectron | 6BN4 | 1 | Yes | |
| Reliable Selectron | 6T8A | 1 | Yes | |
| Reliable Selectron | 6CG7 | 1 | Yes | |
| Standard Brand | 6U8A | 1 | Yes | |
| Standard Brand | 19TS | 1 | Yes | |
| Standard Brand | 3CB6 | 1 | Yes | |
| Standard Brand | 35C5 | 1 | Yes | |
| CEI Electron | 6AL5 | 1 | Yes | |
| CEI Electron | 6CX8 | 1 | Yes | |
| National Electronics | 115N0180 | 1 | Yes | |
| National Electronics | 12AX7A | 1 | Yes | |
| National Electronics | NL-940C | 1 | Yes | |
| Simplex | 6AU6 | 1 | Yes | |
| Simplex | 6CB6 | 1 | Yes | |
| Hitachi | 6BJ8 | 1 | Yes | |
| Guaranteed | 6AU6 | 1 | Yes | |
| General Electric | 6677 6CL6 | 1 | Yes | |
| Telefunken | 6BA6/EF93 | 1 | Yes | |
| NU Electon Tube | 6EJ7 | 1 | Yes | |
| Amperite | 115NO15 | 1 | Yes | Delay Relay |
| Shield | 5C68 | 1 | Yes | |
| Philips | 6AG5 | 1 | Yes | |
| Olson | 6X4 | 1 | Yes | |
| Olson | 12AE6 | 1 | Yes | |
| Olson | Z329 – 12AE6 | 1 | Yes | |
| Olympic | 6DK6 | 1 | Yes | |
| Channel Master | 6X8 | 1 | Yes | |
| Sheldon | 6EJ9 | 1 | Yes | |
| JW Miller | 9006 | 1 | Yes | 2.0 mH – 40.0 mH Adj RF Coil |
| Mullard | EL90 6AQ5 | 1 | Yes | |
| IEC | 20EZ7 | 1 | Yes | |
| IEC | PL81 – 21A6 | 1 | Yes | |
| Crosley | 12L6GT | 1 | Yes | |
| Crosley | 5CM8 | 1 | Yes | |
| Crosley | 6CN7 | 1 | Yes | |
| Mallory | FP332.46 | 1 | Yes | Capacitor 80-80-100 MFD 400-200-50 VDC |
| Admiral | 1L4 | 2 | Yes | |
| Admiral | 117Z6 GT | 1 | Yes | |
| NU Electon Tube | 6K5GT | 1 | Yes | |
| NU Electon Tube | 14S7 | 1 | Yes | |
| NU Electon Tube | # 7E6 | 1 | Yes | |
| NU Electon Tube | 3LF4 | 1 | Yes | |
| NU Electon Tube | 6BC7 | 1 | Yes | |
| NU Electon Tube | 12AW6 | 1 | Yes | |
| NU Electon Tube | 35B5 | 1 | Yes | |
| Arcturus | 6S4 | 1 | Yes | |
| Arcturus | G7GT | 1 | Yes | |
| Unknown (Red Box) | 6H6 | 1 | Yes | |
| Unknown (Red Box) | 7A7 | 1 | Yes | |
| Unknown (Red Box) | 12AY7 | 1 | Yes | |
| Unknown (Red Box) | 6AK6 | 1 | Yes | |
| JFD | 149B | 1 | Yes | |
| Philco Ford | 6DK6 | 1 | Yes | |
| IEC | 25HX5 | 1 | Yes | |
| IEC | 6JZ8 | 1 | Yes | |
| IEC | 6SG7 | 1 | Yes | |
| IEC | 85A2 | 1 | Yes | |
| IEC | 6CB6A – 6CF6 | 1 | Yes | |
| IEC | 6CG8A | 1 | Yes | |
| IEC | 6AJ8 – ECH81 | 1 | Yes | |
| IEC | 6AU8A | 1 | Yes | |
| IEC | 6BC7 | 3 | Yes | |
| IEC | 30MP27 | 5 | Yes | |
| IEC | 6BA6 | 1 | Yes | |
| IEC | 6BY6 | 1 | Yes | |
| IEC | 6BE6 | 1 | Yes | |
| IEC | 6BN6 – 6KS6 | 1 | Yes | |
| IEC | 6DK6 | 1 | Yes | |
| IEC | 6GU7 | 1 | Yes | |
| IEC | 6CG7 | 1 | Yes | |
| Admiral | 5AM8 | 1 | Yes | |
| Admiral | 5AN8 | 1 | Yes | |
| Admiral | 6CG8A | 1 | Yes | |
| Admiral | 6DE7 | 1 | Yes | |
| Admiral | 6BJ8 | 2 | Yes | |
| Philco | 6BW8 | 1 | Yes | |
| Philco | 6BC7 | 4 | Yes | |
| Philco | 6V3A | 1 | Yes | |
| Philco | 6BY6 | 1 | Yes | |
| Philco | 6T8A | 1 | Yes | |
| Philco | 6T8 | 1 | Yes | |
| Philco | 19V8 | 2 | Yes | |
| Philco | 7B5 | 1 | Yes | |
| Philco | 12F5GT | 2 | Yes | |
| Philco | 12SG7 | 1 | Yes | |
| Amperex | 6DK6 | 5 | Yes | |
| Amperex | 6BY6 | 5 | Yes | |
| Amperex | 6DE7 | 4 | Yes | |
| Amperex | 6BC7 | 2 | Yes | |
| Amperex | 1X2A – 1X2B | 1 | Yes | |
| Amperex | 1X2C – 1BX2 | 2 | Yes | |
| Amperex | 12GN7A – 12HG7 | 1 | Yes | |
| Amperex | 6JV8 | 1 | Yes | |
| Amperex | 85A2 – OG3 | 1 | Yes | |
| Amperex | 6X9 – ECF200 | 1 | Yes | |
| Amperex | 90C1 | 1 | Yes | |
| RCA | 6AS8 | 1 | Yes | |
| RCA | 6AQ5 | 1 | Yes | |
| RCA | 6AG5 | 6 | Yes | |
| RCA | 6AL5 | 6 | Yes | |
| RCA | 6AU8A | 3 | Yes | |
| RCA | 6AQ5A | 1 | Yes | |
| RCA | 6AL6 | 1 | Yes | |
| RCA | 6AF4A | 2 | Yes | |
| RCA | 6AB4 | 2 | Yes | |
| RCA | 6AG5WA | 1 | Yes | |
| RCA | 6AN8A | 2 | Yes | |
| RCA | 6AZ8 | 2 | Yes | |
| RCA | 6BH8 | 1 | Yes | |
| RCA | 6AF4 | 2 | Yes | |
| RCA | 6AT6 | 1 | Yes | |
| RCA | 6AV6 | 1 | Yes | |
| RCA | 6AS6 | 2 | Yes | |
| RCA | 6AQ6 | 1 | Yes | |
| RCA | 6AM8A | 1 | Yes | |
| RCA | 6AT6 | 2 | Yes | |
| RCA | 6AN8 | 1 | Yes | |
| RCA | 6AK5 | 1 | Yes | |
| RCA | 6AW8A | 1 | Yes | |
| RCA | 6BJ8 | 1 | Yes | |
| RCA | 6BC5 | 5 | Yes | |
| RCA | 6AU6 | 8 | Yes | |
| RCA | 6BY6 | 24 | Yes | |
| RCA | 6BL8/ECF80 | 2 | Yes | |
| RCA | 6BZ7 | 1 | Yes | |
| RCA | 6BQ7 | 1 | Yes | |
| RCA | 6BC4 | 2 | Yes | |
| RCA | 6BS8 | 1 | Yes | |
| RCA | 6BA6/EF93 | 1 | Yes | |
| RCA | 6BC7 | 19 | Yes | |
| RCA | 6BC5 | 2 | Yes | |
| RCA | 6BR8A | 1 | Yes | |
| RCA | 6BA6 | 1 | Yes | |
| RCA | 6BH6 | 1 | Yes | |
| RCA | 6BN6 | 2 | Yes | |
| RCA | 6BQ7A | 1 | Yes | |
| RCA | 6BJ8 | 1 | Yes | |
| RCA | 6BM5 | 1 | Yes | |
| RCA | 6BW8 | 2 | Yes | |
| RCA | 6BF6 | 1 | Yes | |
| RCA | 6BZ6 | 1 | Yes | |
| RCA | 6BN8 | 5 | Yes | |
| RCA | 6CS7 | 1 | Yes | |
| RCA | 6CY5 | 13 | Yes | |
| RCA | 6CU8 | 2 | Yes | |
| RCA | 6CX8 | 2 | Yes | |
| RCA | 6CH8 | 20 | Yes | |
| RCA | 6CL8A | 11 | Yes | |
| RCA | 6CN7 | 1 | Yes | |
| RCA | 6CB6 | 1 | Yes | |
| RCA | 6CG7 – 6FQ7 | 2 | Yes | |
| RCA | 6CF6 | 1 | Yes | |
| RCA | 6CM6 | 1 | Yes | |
| RCA | 6CQ8 | 1 | Yes | |
| RCA | 6CW5 – EL86 | 1 | Yes | |
| RCA | 6DR7 | 20 | Yes | |
| RCA | 6EA8 | 1 | Yes | |
| RCA | 6EJ7 | 1 | Yes | |
| RCA | 6EB6 | 1 | Yes | |
| RCA | 6EW7 | 1 | Yes | |
| RCA | 6EW6 | 1 | Yes | |
| RCA | 6FQ7/6CG7 | 1 | Yes | |
| RCA | 6FM8 | 1 | Yes | |
| RCA | 6GJ7 | 1 | Yes | |
| RCA | 6DK6 | 9 | Yes | |
| RCA | 6GU7 | 5 | Yes | |
| RCA | 6DE7 | 10 | Yes | |
| RCA | 6GY6/6GX6 | 1 | Yes | |
| RCA | 6GY6 | 1 | Yes | |
| RCA | 6GJ7/6H87 | 1 | Yes | |
| RCA | 6GX6 | 1 | Yes | |
| RCA | 6DT5 | 7 | Yes | |
| RCA | 6DJ8 | 1 | Yes | |
| RCA | 6GX7 | 2 | Yes | |
| RCA | 6GK6 | 1 | Yes | |
| RCA | 6HB7 | 1 | Yes | |
| RCA | 6HZ6 | 1 | Yes | |
| RCA | 6HQ5 | 1 | Yes | |
| RCA | 6T8A | 6 | Yes | |
| RCA | 6X4 | 2 | Yes | |
| RCA | 6J6 | 3 | Yes | |
| RCA | 6U8 | 2 | Yes | |
| RCA | 6MU8 | 1 | Yes | |
| RCA | 6X8 | 11 | Yes | |
| RCA | 6JU8 | 2 | Yes | |
| RCA | 6S4A | 1 | Yes | |
| RCA | 6T8 | 9 | Yes | |
| RCA | 6LE8 | 1 | Yes | |
| RCA | 6JT8 | 2 | Yes | |
| RCA | 6JU8A | 1 | Yes | |
| RCA | 6KT8 | 1 | Yes | |
| RCA | 6X8A | 4 | Yes | |
| RCA | 6LN8/LCF80 | 1 | Yes | |
| RCA | 7AU7 | 1 | Yes | |
| RCA | 8KA8 | 2 | Yes | |
| RCA | 8JV8 | 1 | Yes | |
| RCA | 8FQ7/8CJ7 | 1 | Yes | |
| RCA | 8AW8A | 1 | Yes | |
| RCA | 8FQ7/8CG7 | 1 | Yes | |
| RCA | 9A8/PCF80 | 1 | Yes | |
| RCA | 10JT8 | 2 | Yes | |
| RCA | 11BM8 | 1 | Yes | |
| RCA | 12AX7A | 3 | Yes | |
| RCA | 12GA6 | 1 | Yes | |
| RCA | 12BF6 | 1 | Yes | |
| RCA | 12BL6 | 2 | Yes | |
| RCA | 12BF6 | 2 | Yes | |
| RCA | 12AW6 | 1 | Yes | |
| RCA | 12R5 | 1 | Yes | |
| RCA | 12AU6 | 1 | Yes | |
| RCA | 12AQ5 | 1 | Yes | |
| RCA | 12B4A | 3 | Yes | |
| RCA | 12AV6 | 1 | Yes | |
| RCA | 12AL5 | 1 | Yes | |
| RCA | 12AT7/ECC81 | 2 | Yes | |
| RCA | 12BY7 | 1 | Yes | |
| RCA | 12HG7/12CN7A | 1 | Yes | |
| RCA | 12AB5 | 1 | Yes | |
| RCA | 12CR5 | 1 | Yes | |
| RCA | 12BR7 | 1 | Yes | |
| RCA | 12BK5 | 5 | Yes | |
| RCA | 12AB5 | 1 | Yes | |
| RCA | 12HL7 | 1 | Yes | |
| RCA | 12CA5 | 1 | Yes | |
| RCA | 12AT7 | 1 | Yes | |
| RCA | 12BF6 | 1 | Yes | |
| RCA | 12BE6 | 1 | Yes | |
| RCA | 12BR7 | 1 | Yes | |
| RCA | 12BA6 | 1 | Yes | |
| RCA | 12AV7 | 2 | Yes | |
| RCA | 18FY6A | 1 | Yes | |
| RCA | 25EH5 | 1 | Yes | |
| RCA | 35C5 | 2 | Yes | |
| RCA | 35W4 | 1 | Yes | |
| RCA | 32ET5A | 3 | Yes | |
| RCA | 5AT8 | 3 | Yes | |
| RCA | 5AM8 | 1 | Yes | |
| RCA | 5AQ5 | 1 | Yes | |
| RCA | 5AV8 | 1 | Yes | |
| RCA | 5BT8 | 2 | Yes | |
| RCA | 5BR8 | 2 | Yes | |
| RCA | 5B8 | 2 | Yes | |
| RCA | 5BQ7A | 1 | Yes | |
| RCA | 5BE8 | 2 | Yes | |
| RCA | 5CL8A | 2 | Yes | |
| RCA | 5JK6 | 2 | Yes | |
| RCA | 5FG7 | 1 | Yes | |
| RCA | 5J6 | 2 | Yes | |
| RCA | 5OB5 | 1 | Yes | |
| RCA | 2HM5/2HA5 | 1 | Yes | |
| RCA | 2EN5 | 1 | Yes | |
| RCA | 4CB6 | 1 | Yes | |
| RCA | 4GK5 | 1 | Yes | |
| RCA | 4GX7 | 1 | Yes | |
| RCA | 4JD6 | 1 | Yes | |
| RCA | 4AU6 | 1 | Yes | |
| RCA | 3DK6 | 1 | Yes | |
| RCA | 3V4 | 1 | Yes | |
| RCA | 3A2 | 1 | Yes | |
| RCA | 3DT6A | 1 | Yes | |
| RCA | 5T8 | 1 | Yes | |
| RCA | 5670 Command | 5 | Yes | |
| RCA | 5879 | 2 | Yes | |
| RCA | 1X2A / 1X2B | 2 | Yes | |
| RCA | 1R5 | 1 | Yes | |
| RCA | 1BC2 | 1 | Yes | |
| RCA | 1U4 | 1 | Yes | |
| RCA | 3AU6 | 1 | Yes | |
| RCA | 5CL5A | 1 | Yes | |
| RCA | 6AL5 | 1 | Yes | |
| RCA | 6DX8 | 1 | Yes | |
| RCA | 6BA7 | 1 | Yes | |
| RCA | 6X8 | 1 | Yes | |
| RCA | 6AK6 | 1 | Yes | |
| RCA | 6GJ7 ECF801 | 1 | Yes | |
| RCA | 45Z3 | 1 | Yes | |
| RCA | 14GT8 | 1 | Yes | |
| RCA | 17C9 | 1 | Yes | |
| RCA | 16A8/PCL82 | 1 | Yes | |
| RCA | 1T5 | 1 | Yes | |
| RCA | 1LA4 | 1 | Yes | |
| RCA | 1K3 / 1J3 | 1 | Yes | |
| RCA | 1B3 – GT | 1 | Yes | |
| RCA | 3AW2A | 1 | Yes | |
| RCA | 5Y3GT | 2 | Yes | |
| RCA | 5Z4 | 1 | Yes | |
| RCA | 6AY3B | 1 | Yes | |
| RCA | 6DW4B | 1 | Yes | |
| RCA | 6GL7 | 3 | Yes | |
| RCA | JRC 5004 | 3 | Yes | |
| RCA | 6AU5GT | 5 | Yes | |
| RCA | 6AQ7GT | 5 | Yes | |
| RCA | 6AL11 | 5 | Yes | |
| RCA | 6DM4A – 6DA4 | 1 | Yes | |
| RCA | 6A8 | 1 | Yes | |
| RCA | 6AG7 | 2 | Yes | |
| RCA | 6AV11 | 1 | Yes | |
| RCA | 6DE4 | 1 | Yes | |
| RCA | 6BQ6GTB – 6CU6 | 1 | Yes | |
| RCA | 6AC7 | 5 | Yes | |
| RCA | 6CL3 | 2 | Yes | |
| RCA | 6SR7 | 2 | Yes | |
| RCA | 6FD7 | 3 | Yes | |
| RCA | 6AU4GTA | 1 | Yes | |
| RCA | 6GF7A | 1 | Yes | |
| RCA | 6V6Y | 1 | Yes | |
| RCA | 6W6 | 1 | Yes | |
| RCA | 6J5 | 2 | Yes | |
| RCA | 6K6GT | 1 | Yes | |
| RCA | 6J7 | 1 | Yes | |
| RCA | 6G11 | 5 | Yes | |
| RCA | 6EW7 | 4 | Yes | |
| RCA | 6M11 | 3 | Yes | |
| RCA | 6SF7 | 1 | Yes | |
| RCA | 6SH7 | 4 | Yes | |
| RCA | 6F6 | 1 | Yes | |
| RCA | 6FM7 | 1 | Yes | |
| RCA | 7N7 | 3 | Yes | |
| RCA | 7A8 | 1 | Yes | |
| RCA | 7OL7 | 2 | Yes | |
| RCA | 12SJ7 | 1 | Yes | |
| RCA | 12SN7 | 2 | Yes | |
| RCA | 12SR7 | 1 | Yes | |
| RCA | 12SC7 | 2 | Yes | |
| RCA | 12H6 | 1 | Yes | |
| RCA | 12V10 | 1 | Yes | |
| RCA | 12BR11 | 1 | Yes | |
| RCA | 15KY8A | 1 | Yes | |
| RCA | 25HX5 | 2 | Yes | |
| RCA | 25BQ6 | 1 | Yes | |
| RCA | 25L6 | 1 | Yes | |
| RCA | 35Z5 | 1 | Yes | |
| RCA | 1621 | 6 | Yes | |
| RCA | 1629 | 1 | Yes | |
| RCA | # 2E24 | 1 | Yes | |
| RCA | # 2E26 | 2 | Yes | |
| RCA | 6Z4 | 1 | Yes | |
| RCA | 6CD6 | 1 | Yes | |
| RCA | 6CD6GA | 1 | Yes | |
| RCA | 6LU8 | 1 | Yes | |
| RCA | 6LQ6 / 6JE6C | 1 | Yes | |
| RCA | 885 | 1 | Yes | |
| RCA | 25CD6GB | 1 | Yes | |
| RCA | CRC 837 | 1 | Yes | |
| Standard Brand | 5A54A | 1 | Yes | |
| Standard Brand | 12AU7 | 3 | Yes | |
| Standard Brand | 11MS8 | 1 | Yes | |
| Standard Brand | 10GK6 | 1 | Yes | |
| Standard Brand | 9A8 | 12 | Yes | |
| Standard Brand | 8JV8 | 7 | Yes | |
| Standard Brand | 8EB8 | 2 | Yes | |
| Standard Brand | 8GU7 | 3 | Yes | |
| Standard Brand | 8FQ7 | 1 | Yes | |
| Standard Brand | 8CX8 | 1 | Yes | |
| Standard Brand | 8CW5 | 4 | Yes | |
| Standard Brand | 8B8 | 2 | Yes | |
| Standard Brand | 8CS7 | 1 | Yes | |
| Standard Brand | 8AW8 | 6 | Yes | |
| Standard Brand | 7AU7 | 5 | Yes | |
| Standard Brand | 6V3 | 2 | Yes | |
| Standard Brand | 6X8 | 1 | Yes | |
| Standard Brand | 6U8 | 7 | Yes | |
| Standard Brand | 6T8 | 5 | Yes | |
| Standard Brand | 6T4 | 1 | Yes | |
| Standard Brand | 6S4 | 4 | Yes | |
| Standard Brand | 6ME8 | 1 | Yes | |
| Standard Brand | 6AV6 | 1 | Yes | |
| Standard Brand | 6CM7 | 1 | Yes | |
| Standard Brand | 6DA5 | 4 | Yes | |
| Standard Brand | 6SL7GT | 1 | Yes | |
| CBS | 5DH8 | 6 | Yes | |
| CBS | 5EU8 | 1 | Yes | |
| CBS | 6BY6 | 1 | Yes | |
| CBS | 6BF5 | 1 | Yes | |
| CBS | 6AR5 | 1 | Yes | |
| CBS | 6AH6 | 1 | Yes | |
| CBS | 6AB4 | 4 | Yes | |
| CBS | 5BT8 | 1 | Yes | |
| CBS | 6BU8 | 1 | Yes | |
| CBS | 6CR8 | 1 | Yes | |
| CBS | 5B8 | 1 | Yes | |
| CBS | 6BQ5 | 1 | Yes | |
| CBS | 6AV6 | 1 | Yes | |
| CBS | 6AU6 | 1 | Yes | |
| CBS | 6CL6 | 1 | Yes | |
| CBS | 6CH8 | 2 | Yes | |
| CBS | 6CB6A | 1 | Yes | |
| CBS | 6BY6 | 1 | Yes | |
| CBS | 6BW8 | 1 | Yes | |
| CBS | 6X8 | 1 | Yes | |
| CBS | 6T8A | 4 | Yes | |
| CBS | 6DE7 | 1 | Yes | |
| CBS | 6V3 | 1 | Yes | |
| CBS | 12BK5 | 1 | Yes | |
| CBS | 12BZ7 | 1 | Yes | |
| CBS | 12DL8 | 1 | Yes | |
| CBS | 12CX6 | 5 | Yes | |
| CBS | 12EA6 | 1 | Yes | |
| CBS | 12EL6 | 1 | Yes | |
| CBS | 12EL6 | 1 | Yes | |
| CBS | 12EM6 | 1 | Yes | |
| CBS | 19J6 | 1 | Yes | |
| CBS | 35B5 | 1 | Yes | |
| CBS | CE-B25-C | 1 | Yes | |
| CBS | 6W4GT | 1 | Yes | |
| CBS | 6SA7 | 1 | Yes | |
| CBS | 6SH7 | 1 | Yes | |
| CBS | 12L6GT | 1 | Yes | |
| CBS | 12W6GT | 1 | Yes | |
| CBS | 25L6GT | 1 | Yes | |
| CBS | 1Q5 | 1 | Yes | |
| CBS | 6AX4GT | 1 | Yes | |
| Tung-Sol | 6T8A | 4 | Yes | |
| Tung-Sol | 6GN8 | 1 | Yes | |
| Tung-Sol | 6J6A | 1 | Yes | |
| Tung-Sol | 6X8A | 2 | Yes | |
| Tung-Sol | 6X4 | 1 | Yes | |
| Tung-Sol | 6J6 | 1 | Yes | |
| Tung-Sol | 6DC8 / EBF89 | 1 | Yes | |
| Tung-Sol | 6U8 | 1 | Yes | |
| Tung-Sol | 6DR7 | 2 | Yes | |
| Tung-Sol | 6CB6A | 1 | Yes | |
| Tung-Sol | 6BZ6 | 1 | Yes | |
| Tung-Sol | 6V3A | 1 | Yes | |
| Tung-Sol | 6CR6 | 4 | Yes | |
| Tung-Sol | 6CX8 | 4 | Yes | |
| Tung-Sol | 6AT6 | 1 | Yes | |
| Tung-Sol | 6AT8 | 1 | Yes | |
| Tung-Sol | 6AS6 | 3 | Yes | |
| Tung-Sol | 6AQ8 / ECC85 | 1 | Yes | |
| Tung-Sol | 6AL5 | 1 | Yes | |
| Tung-Sol | 6AK5 | 1 | Yes | |
| Tung-Sol | 6AK6 | 3 | Yes | |
| Tung-Sol | 6AQ5 | 1 | Yes | |
| Tung-Sol | 6AR5 | 1 | Yes | |
| Tung-Sol | 6AB4 / EC92 | 1 | Yes | |
| Tung-Sol | 6T8A | 1 | Yes | |
| Tung-Sol | 6BW8 | 1 | Yes | |
| Tung-Sol | 6BE6 | 1 | Yes | |
| Tung-Sol | 6AL5W | 1 | Yes | |
| Tung-Sol | 6AH6 | 3 | Yes | |
| Tung-Sol | 6BC5 | 1 | Yes | |
| Tung-Sol | 6BC8 | 1 | Yes | |
| Tung-Sol | 6BY6 | 5 | Yes | |
| Tung-Sol | 6DE7 | 3 | Yes | |
| Tung-Sol | 6DK6 | 7 | Yes | |
| Tung-Sol | 6BA7 | 11 | Yes | |
| Tung-Sol | 1S5 | 1 | Yes | |
| Tung-Sol | 1AJ5 | 5 | Yes | |
| Tung-Sol | 3BY6 | 1 | Yes | |
| Tung-Sol | 3CB6 | 1 | Yes | |
| Tung-Sol | 3BN6 | 1 | Yes | |
| Tung-Sol | 3BU8 | 2 | Yes | |
| Tung-Sol | 3CS6 | 2 | Yes | |
| Tung-Sol | 3BE6 | 1 | Yes | |
| Tung-Sol | 4BC8 | 1 | Yes | |
| Tung-Sol | 5FV8 | 1 | Yes | |
| Tung-Sol | 5DH8 | 1 | Yes | |
| Tung-Sol | 5BE8 | 1 | Yes | |
| Tung-Sol | 5AS8 | 1 | Yes | |
| Tung-Sol | 12CX6 | 5 | Yes | |
| Tung-Sol | 12AF6 | 1 | Yes | |
| Tung-Sol | 12EK6 | 1 | Yes | |
| Tung-Sol | 12CN5 | 2 | Yes | |
| Tung-Sol | 12BL6 | 1 | Yes | |
| Tung-Sol | 12AT6 | 1 | Yes | |
| Tung-Sol | 12K5 | 1 | Yes | |
| Tung-Sol | 12AJ6 | 2 | Yes | |
| Tung-Sol | 50B5 | 1 | Yes | |
| Tung-Sol | 12AY7 | 1 | Yes | |
| Tung-Sol | TS629 | 1 | Yes | |
| Tung-Sol | 6SK7 | 1 | Yes | |
| Tung-Sol | 6SG7 | 1 | Yes | |
| Tung-Sol | 6AU5GT | 1 | Yes | |
| Tung-Sol | 6AX4GTB | 3 | Yes | |
| Tung-Sol | 6AL7GT | 3 | Yes | |
| Tung-Sol | 117N7 | 1 | Yes | |
| Tung-Sol | 17W6GT | 1 | Yes | |
| Tung-Sol | 6CD6GA | 2 | Yes | |
| Westinghouse | 6CL8A | 47 | Yes | |
| Westinghouse | 5U4GB | 1 | Yes | |
| Westinghouse | 6AS7GA | 2 | Yes | |
| Westinghouse | 6BC8 | 1 | Yes | |
| Westinghouse | 6BC7 | 2 | Yes | |
| Westinghouse | 6BY6 | 3 | Yes | |
| Westinghouse | 6AU6 | 1 | Yes | |
| Westinghouse | 6CN7 | 5 | Yes | |
| Westinghouse | 6BW8 | 1 | Yes | |
| Westinghouse | 6BY8 | 1 | Yes | |
| Westinghouse | 6BA6 | 1 | Yes | |
| Westinghouse | 6CQ8 | 1 | Yes | |
| Westinghouse | 6CS7 | 2 | Yes | |
| Westinghouse | 6AT6 | 2 | Yes | |
| Westinghouse | 6GU7 | 1 | Yes | |
| Westinghouse | 6CE5 | 6 | Yes | |
| Westinghouse | 6BF6 | 1 | Yes | |
| Westinghouse | 6CH8 | 1 | Yes | |
| Westinghouse | 6CB6A | 2 | Yes | |
| Westinghouse | 6U8A | 1 | Yes | |
| Westinghouse | 6GU5 | 1 | Yes | |
| Westinghouse | 6CY5 | 1 | Yes | |
| Westinghouse | 6CG7 | 1 | Yes | |
| Westinghouse | 6DK6 | 1 | Yes | |
| Westinghouse | 6DR7 | 2 | Yes | |
| Westinghouse | 6EV5 | 1 | Yes | |
| Westinghouse | 6X8 | 2 | Yes | |
| Westinghouse | 6AL5 | 2 | Yes | |
| Westinghouse | 6U8A | 1 | Yes | |
| Westinghouse | 6CU5 | 1 | Yes | |
| Westinghouse | 6AG5 | 5 | Yes | |
| Westinghouse | 6GH8A | 2 | Yes | |
| Westinghouse | 6EB8 | 1 | Yes | |
| Westinghouse | 6BA6 | 1 | Yes | |
| Westinghouse | 6BQ5 | 1 | Yes | |
| Westinghouse | 6BE6 | 1 | Yes | |
| Westinghouse | 6DC6 | 1 | Yes | |
| Westinghouse | 6BH8 | 1 | Yes | |
| Westinghouse | 6CG8A | 1 | Yes | |
| Westinghouse | 6GK6 | 1 | Yes | |
| Westinghouse | 6BY8 | 1 | Yes | |
| Westinghouse | 12BF6 | 9 | Yes | |
| Westinghouse | 5AV8 | 1 | Yes | |
| Westinghouse | 5AY8 | 1 | Yes | |
| Westinghouse | 5ZA | 1 | Yes | |
| Westinghouse | 5B8 | 1 | Yes | |
| Westinghouse | 7AU7 | 1 | Yes | |
| Westinghouse | 12AF6 | 1 | Yes | |
| Westinghouse | 12AY7 | 2 | Yes | |
| Westinghouse | 12AT7A | 1 | Yes | |
| Westinghouse | 12AU7 | 1 | Yes | |
| Westinghouse | 12SJ7 | 1 | Yes | |
| Westinghouse | 6AX5GT | 1 | Yes | |
| Westinghouse | 6X5GT | 1 | Yes | |
| Westinghouse | 6AX4GT | 1 | Yes | |
| Westinghouse | 25L6GT | 1 | Yes | |
| Westinghouse | 12L6GT | 1 | Yes | |
| Westinghouse | 6AG7 | 1 | Yes | |
| Westinghouse | 6C5 | 1 | Yes | |
| Westinghouse | 6SN7GTB | 1 | Yes | |
| Westinghouse | 7C5 | 1 | Yes | |
| Westinghouse | 6W4GT | 1 | Yes | |
| GE | 1625 | 1 | Yes | |
| GE | 807 | 3 | Yes | |
| GE | 807 | 2 | No | |
| RCA | 6146A | 2 | No | Matched |
| Phulips ECG | 6146W | 2 | No | Matched |
| GE | 6146B | 2 | Yes | |
| RCA | 6146A | 1 | Yes | |
| GE | 6146 | 2 | Yes | |
| RCA | 6146W | 1 | Yes | |
| Sylvania | 807W | 1 | No | |
| GE | 6146W | 1 | Yes | |
| GE | 6L6 | 1 | Yes | |
| Raytheon | 6L6 | 1 | No | |
| RCA | 6V6 | 1 | No | |
| RCA | 6L6 | 1 | Yes | |
| Zenith | 6DQ6A | 1 | No | |
| Standard Brand | 6L6 | 3 | Yes | |
| Sears | 6JE6C | 1 | No | |
| Unknown | 6JE6N | 1 | No | |
| Sylvania | 6V6GTA | 1 | Yes | |
| Ratheon | 6V6GT | 1 | Yes | |
| Silvertone | 6V6GT | 1 | Yes | |
| RCA | 6V6GTA | 2 | Yes | |
| RCA | 6V6GT | 1 | Yes | |
| Westinghouse | WL-6146 | 1 | Yes | |
| RCA | 3B25 | 2 | Yes | |
| RCA | 5U4G | 1 | Yes | |
| Unknown | 5U4GB | 1 | No | |
| Sylvania | 5U4G | 1 | No | |
| GE | 19GB6/G | 1 | No | |
| Unknown | 5R4GY | 1 | No | |
| RCA | 80 | 1 | Yes | |
| RCA | 5U4 | 1 | Yes | |
| RCA | 5U4GB | 2 | No | |
| GE | 5U4GB | 1 | No | |
| GE | 5U4GA | 1 | No | |
| GE | 5U4GB | 3 | Yes | |
| Philco | 5U4 | 1 | No | |
| Zenith | 5U4GB | 1 | Yes | |
| Zenith | 5U4GB | 1 | No | |
| ITT | 5U4GB | 1 | Yes | |
| Sylvania | 5U4GB | 3 | Yes | |
| CBA | 5V4GA | 1 | Yes | |
| Sylvania | 5AS4A | 1 | Yes | |
| Raytheon | 5Y3GT | 2 | No | |
| RCA | 5Y3GT | 1 | No | |
| HP | 5V3 | 1 | No | |
| Homebrew | 5R4 | 1 | No | |
| Unknown | 5R4GA | 1 | No | |
| GE | 5R4GYB | 2 | Yes | |
| GE | 5R4GYB | 1 | No | |
| Unknown | 5R4SS | 2 | No | Tube Replacement |
| Homebrew | 5Y3SS | 1 | No | |
| Hytron | VR150 | 1 | No | |
| Sylvania | VR150 | 1 | No | |
| Sylvania | 872A | 2 | Yes | |
| Amperex | 872A | 1 | Yes | |
| RCA | 6146 | 6 | Yes | |
| RCA | 829B | 1 | Yes | |
| GE | 807 | 4 | Yes | |
| Sylvania | 807 | 1 | Yes | |
| Cetron | 572B | 1 | No | |
| National Electronics | 811A | 2 | No | |
| RCA | 6146 | 2 | No | |
| Raytheon | 6082 WB | 2 | No | |
| Unknown | 6082 | 2 | No | |
| RCA | 5Y3 | 1 | No | |
| National Electronics | 5AR4 | 1 | No | |
| Sovtek | H3B3 | 1 | Yes | |
| Ken-Rad | 5Z4 | 1 | No | |
| GE | 5Y3GT | 2 | Yes | |
| CBS | 5Y3GT | 1 | Yes | |
| RCA | 5Y3GT | 1 | Yes | |
| Sylvania | 5U4G | 1 | No | |
| RCA | 811A | 1 | No | |
| GE | 811A | 1 | No | |
| Gammatron | Type 254 | 1 | No | |
| RFP/Svetlana | 572B | 2 | No | Matched Set |
| Taylor Tubes | 811A | 2 | No | Matched Set |
| GE | 811A | 1 | No | |
| RCA | 811A | 3 | No | |
| Sylvania | 1625 | 2 | No | |
| RCA | 1625 | 3 | No | |
| RCA | 83 | 1 | No | |
| Cetron | 3B28 | 2 | No | |
| Ken-Rad | 1624 | 1 | No | |
| RCA | 1624 | 1 | No | |
| Raytheon | VT127 | 1 | No | |
| Sylvania | 807W | 1 | No | |
| Cunningham | CX380 | 1 | No | |
| RCA | 6BG6 | 1 | No | |
| GE | 6L6G | 1 | No | |
| Taylor Tubes | 572B | 2 | No | |
| RCA | 866 | 2 | No | |
| CBS | 5AW4 | 1 | Yes | |
| GE | 33GY7A | 1 | Yes | |
| GE | 6LJ6A / 6LH6A | 1 | Yes | |
| GE | 7054 | 1 | Yes | |
| Sylvania | 5718 | 2 | No | |
| RCA | EBC90 | 3 | Yes | |
| Elektronska | 7189A | 4 | Yes | |
| Sylvania | 50C5 | 2 | Yes | |
| RCA | 50C5 | 2 | Yes | |
| Sylvania | 5763 | 1 | Yes | |
| Philips ECG | 7558 | 2 | Yes | |
| RCA | 08X | 1 | No | |
| Lafayette | 35C5 | 1 | No | |
| GE | 10CW5 | 1 | Yes | |
| GE | 8LT8 | 1 | Yes | |
| CBS | 117Z3 | 1 | Yes | |
| GE | 35W4 | 1 | Yes | |
| RCA | 5642 | 2 | Yes | |
| Sylvania | 6888 | 2 | No | |
| RCA | 816 | 1 | No | |
| National Union | 2X2 879 | 1 | No | |
| Sylvania | 1626 | 1 | No | |
| RCA | 1619 | 2 | No | |
| Sylvania | 227 | 1 | No | |
| GE | 6080 | 2 | No | |
| Tung-Sol | 45 | 1 | No | |
| Sylvania | 45 | 1 | No | |
| Belknap | 26 | 1 | No | |
| RCA | 26 | 1 | No | |
| Sylvania | 26 | 1 | No | |
| Philco | 24A | 1 | No | |
| RCA | 24A | 1 | No | |
| GE | 0A3 | 2 | Yes | |
| Sylvania | 0D3 VR-150 | 1 | No | |
| Hytron | 0D3 VR-150 | 1 | No | |
| Sylvania | 0D3 | 1 | No | |
| Sears | 3AT2 | 1 | No | |
| Raytheon | OD3A OD3 | 2 | Yes | |
| Sylvania | 7F8 | 1 | Yes | |
| Raytheon | 1B3/1G3GT | 1 | Yes | |
| Hytron | 12BE6 | 3 | Yes | |
| RCA | 12BE6 | 1 | Yes | |
| GE | 12BE6 | 1 | Yes | |
| Sylvania | 12BY7A | 1 | Yes | |
| GE | 12B4A | 1 | Yes | |
| RCA | 12BH7A | 1 | Yes | |
| GE | 12X4 | 1 | Yes | |
| RCA | 12AV7 | 4 | No | |
| Sylvania | 12AU7 | 5 | No | |
| Philips ECG | 12AU7 | 1 | No | |
| International | 12AU7A | 1 | Yes | |
| Westinghouse | 12AU7 | 1 | No | |
| SUN | 12AU7 | 2 | No | |
| Unknown | 12AU7 | 1 | No | |
| GE | 12AV6 | 1 | No | |
| Sylvania | 12AV6 | 2 | Yes | |
| GE | 12AY7 | 3 | No | |
| National | 12AX7A | 1 | Yes | |
| Sylvania | 12AX7A | 1 | Yes | |
| GE | 12AX7WA | 1 | No | |
| Philips ECG | 12AX7WA | 1 | No | |
| Unknown | 12AX7A | 2 | No | |
| Unknown | 12AX7 | 1 | No | |
| CBS | 12AX7 | 3 | No | |
| Tungsram | 12AX7 | 1 | No | |
| RCA | 12AX7 | 1 | No | |
| RCA | 12AX7 | 1 | Yes | |
| Raytheon | 12AX7 | 1 | No | |
| GE | 12AX7 | 1 | Yes | |
| Tung-Sol | 12AX7 | 1 | No | |
| Sylvania | 12AX7 | 2 | No | |
| Zenith | 12AX7 | 1 | No | |
| Raytheon | 12AT7WC | 2 | No | |
| Philco | 12AT7WC | 1 | No | |
| Brimar | 12AT7WC | 2 | No | |
| Philips ECG | 12AT7WC | 4 | No | |
| GE | 12AT7WA/B | 2 | Yes | |
| GE | 12AT7WC | 1 | No | |
| Sylvania | 12AT7WC | 1 | No | |
| Unknown | 12AT7 | 3 | No | |
| Sylvania | 12AT7 | 1 | Yes | |
| Sylvania | 12AT7 | 1 | No | |
| GE | 12AT7 | 1 | No | |
| GE | 12AT7 | 5 | Yes | |
| National | 12AT7 | 8 | Yes | |
| Raytheon | 12AT7 | 1 | Yes | |
| RCA | 12AT7 | 1 | Yes | |
| Zenith | 12DQ6 | 1 | No | |
| Raytheon | 12AL11 | 1 | Yes | |
| RCA | 6U5 | 1 | No | |
| GE | 6LR6 | 1 | No | |
| GE | 0B2 | 5 | Yes | |
| RCA | 0B2 | 4 | Yes | |
| Amperex | 0B2 | 1 | No | |
| Sylvania | 0B2 | 1 | Yes | |
| RCA | 0A2 | 4 | Yes | |
| RCA | 0A2 | 2 | No | |
| Amperex | 0A2 | 1 | No | |
| USN | 0A2 | 1 | No | |
| Ratheon | 0A2 | 2 | No | |
| GE | 0A2 | 1 | Yes | |
| National | 0A2 | 1 | Yes | |
| SUN | 0A2 | 1 | No | |
| RCA | 1X2B | 1 | Yes | |
| RCA | 1U5 | 1 | Yes | |
| GE | 1T4 | 3 | Yes | |
| National | 1X2 | 1 | Yes | |
| RCA | 1X2 | 1 | Yes | |
| Sylvania | 1X2A | 1 | Yes | |
| ECG | 1V2 | 1 | Yes | |
| Raytheon | 1V2 | 1 | Yes | |
| GE | 1R5 | 1 | Yes | |
| GE | GL2D21 | 3 | Yes | |
| Westinghouse | WL2D21 | 2 | Yes | |
| Admiral | 1AV2 | 1 | No | |
| SUN | 2D21 | 2 | No | |
| RCA | 2D21W | 1 | No | |
| GE | 2C51 | 1 | No | |
| GE | 2D21W | 1 | No | |
| GE | 3V4 | 2 | Yes | |
| RCA | 3V4 | 2 | No | |
| Tung-Sol | 3A4 | 2 | No | |
| Westinghouse | 3AU4 | 3 | Yes | |
| Westinghouse | 3AL5 | 1 | Yes | |
| Sylvania | 3BZ6 | 1 | Yes | |
| Sylvania | 3GS8 – 3BU8 | 2 | Yes | |
| RCA | 3EA5 | 1 | Yes | |
| Sylvania | 4AU6 | 1 | Yes | |
| CBS | 4BC8 | 1 | Yes | |
| Sylvania | 4BQ7A | 1 | Yes | |
| Sylvania | 4BZ6 | 1 | Yes | |
| RCA | 4BZ6 | 1 | Yes | |
| GE | 4CB6 | 1 | Yes | |
| Sylvania | 4DT6 | 1 | Yes | |
| Raytheon | $DT6 | 1 | Yes | |
| Admiral | 4HS8 | 1 | Yes | |
| RCA | 4JH6 | 1 | Yes | |
| GE | 5AS8 | 1 | Yes | |
| Sylvania | 5AQ5 | 2 | Yes | |
| Sylvania | 5AN8 | 1 | Yes | |
| GE | 5BQ7A | 1 | Yes | |
| RCA | 5BR8 | 1 | Yes | |
| GE | 5BK7A | 1 | Yes | |
| RCA | 5CL8A | 1 | Yes | |
| GE | 5DH8 | 1 | Yes | |
| Sylvania | 5GM6 | 1 | Yes | |
| RCA | 5X8 | 1 | Yes | |
| Philips ECG | 6DC6 | 17 | No | |
| Sylvania | 6DC6 | 2 | Yes | |
| Amperex | 6DC6 | 1 | Yes | |
| GE | 6DC6 | 1 | No | |
| National | 6DC6 | 8 | Yes | |
| RCA | 6CW4 | 1 | Yes | |
| GE | 6DJ8 / ECC88 | 2 | Yes | |
| Sylvania | 6DS4 | 1 | Yes | |
| Unknown | 6DW4 | 1 | No | |
| GE | 6EB8 | 2 | Yes | |
| Westinghouse | 6EA8 | 1 | Yes | |
| RCA | 6EA8 | 2 | Yes | |
| National | 6EA8 | 9 | Yes | |
| ECG | 6EA8 | 1 | Yes | |
| Sylvania | 6EA8 | 1 | Yes | |
| Unknown | 6EA8 | 1 | No | |
| Philips ECG | 6EA8 | 2 | No | |
| Tung-Sol | 6EB8 | 1 | No | |
| Sovtek | 6EB8 | 1 | Yes | |
| RCA | 6EB5 | 1 | Yes | |
| Philco | 6EH7 – EF183 | 1 | Yes | |
| Admirl | 6EF8 | 1 | No | |
| Silvertone | 6EJ7 | 1 | No | |
| RCA | 6EJ7 / EF84 | 1 | Yes | |
| GE | 6EJ7 / EF184 | 1 | Yes | |
| GE | 6EW4 | 1 | Yes | |
| Silvertone | 6EW6 | 2 | No | |
| Westinghouse | 6ER5 | 2 | Yes | |
| Raytheon | 6EV5 | 7 | Yes | |
| RCA | 6FQ7 / 6CG7 | 1 | Yes | |
| RCA | 6HS6 | 1 | Yes | |
| RCA | 6HF8 | 2 | Yes | |
| GE | 6HF8 | 2 | Yes | |
| Packard Bell | 6HS6 | 1 | Yes | |
| Silvertone | 6HA5 | 1 | No | |
| Silvertone | 6HZ6 | 1 | No | |
| Sylvania | 6HS8 | 1 | No | |
| Silvertone | 6LJ8 | 1 | No | |
| RCA | 6ME8 | 1 | Yes | |
| Silvertone | 6KA8 | 1 | No | |
| GE | 6KZ8 | 1 | Yes | |
| Sylvania | 6X9 | 1 | No | |
| ITT | 6JC6 | 1 | No | |
| ITT | 6JH6 | 1 | No | |
| Silvertone | 6JU8 | 1 | No | |
| Silvertone | 6JH6 | 1 | No | |
| Sylvania | 6JW8 | 1 | No | |
| Sylvania | 6J5 | 1 | Yes | |
| RCA | 6J6A | 1 | Yes | |
| Sears | 6GX6 – 6GY6 | 1 | No | |
| Silvertone | 6GY6 | 1 | No | |
| Sylvania | 6GN8 | 1 | No | |
| Sylvania | 6GN8 | 1 | Yes | |
| GE | 6GW8 / ECL86 | 1 | Yes | |
| Sylvania | 6GW8 / ECL86 | 2 | Yes | |
| GE | 6GH8A | 1 | Yes | |
| Sylvania | 6GH8A | 1 | Yes | |
| GE | 6GM6 | 1 | Yes | |
| RCA | 6GM6 | 1 | Yes | |
| Silvertone | 6GM6 | 1 | No | |
| ITT | 6GM6 | 1 | No | |
| RCA | 6GH8 | 3 | Yes | |
| Silvertone | 6GH8 | 2 | No | |
| RCA | 6GH8 | 1 | No | |
| Silvertone | 6GU7 | 2 | No | |
| Unknown | 6U8 | 1 | No | |
| RCA | 6U8 | 1 | No | |
| Philips ECG | 6U8 | 2 | No | |
| GE | 6U8A / 6AX8 | 1 | Yes | |
| GE | 6678 / 6U8A | 1 | Yes | |
| RCA | 6U8A / 6KD8 | 1 | Yes | |
| RCA | 6U8A | 2 | No | |
| GE | 6U8A | 3 | No | |
| Philips ECG | 6U8A | 8 | No | |
| Sylvania | 6K11 – 6Q11 | 1 | Yes | |
| Tung-Sol | 6X5GT/G | 1 | Yes | |
| Zenith | 6SH7 | 2 | Yes | |
| Zenith | 6BE6 | 1 | No | |
| GE | 6AB4 | 2 | Yes | |
| GE | 6AV5GA | 1 | Yes | |
| GE | 6AS7 | 1 | Yes | |
| GE | 6AU5 | 1 | No | |
| Silvertone | 6BK4 | 1 | No | |
| RCA | 6LB6 | 1 | Yes | |
| RCA | 6DQ6B | 2 | Yes | Matched Set |
| Sylvania | 6KD6 | 1 | No | |
| RCA | 6JB6A | 1 | Yes | |
| Unknown | 6JS6 | 1 | No | |
| RCA | 6JB5 – 6HE5 | 1 | Yes | |
| RCA | 6Z10 – 6J10 | 1 | Yes | |
| GE | 6SN7GTB | 2 | Yes | |
| GE | 6SK7WA | 1 | Yes | |
| GE | 6SL7GT | 2 | Yes | |
| RCA | 6SB7Y | 1 | Yes | |
| RCA | 6SN7 | 5 | Yes | |
| RCA | 6SJ7 | 2 | Yes | |
| RCA | 6SJ7 | 1 | No | |
| Ratheon | 6SH7 | 2 | Yes | |
| GE | 6J11 | 1 | Yes | |
| RCA | 6J5 | 1 | Yes | |
| RCA | 6V6GTA | 1 | Yes | |
| Westinghouse | 6V6GT | 1 | Yes | |
| Tung-Sol | 6V6 | 1 | Yes | |
| Sylvania | 6EZ5 | 1 | Yes | |
| GE | 6EM7 / 6EA7 | 1 | Yes | |
| Tung-Sol | 6C5 | 2 | Yes | |
| IEC Mullard | 6C10 | 1 | Yes | |
| Raytheon | 6C10 | 1 | Yes | |
| RCA | 6BW11 | 1 | Yes | |
| RCA | 6AG9 | 1 | Yes | |
| GE | 6AY3B / 6BS3A | 1 | Yes | |
| Sylvania | 6AV11 | 1 | Yes | |
| GE | 6AV11 | 3 | Yes | |
| GE | 6AS11 | 1 | Yes | |
| GE | 6AU5GT | 1 | Yes | |
| National | 6AZ8 | 6 | Yes | |
| National | 6AZ8 | 1 | No | |
| GE | 6AZ8 | 1 | Yes | |
| GE | 6AZ8 | 2 | No | |
| Sylvania | 6AZ8 | 1 | Yes | |
| RCA | 6AZ8 | 1 | No | |
| Philips ECG | 6AZ8 | 2 | No | |
| Ratheon | 6AV6 | 1 | Yes | |
| GE | 6AV6 | 2 | Yes | |
| GE | 6AV6 | 1 | No | |
| RCA | 6AW8A | 2 | Yes | |
| RCA | 6AW8 | 1 | No | |
| Sylvania | 6AW8 | 1 | No | |
| RCA | 6AT6 | 1 | Yes | |
| RCA | 6AT6 | 1 | No | |
| Tung-Sol | 6AT6 | 1 | Yes | |
| GE | 6AT6 | 1 | No | |
| Zenith | 6AQ5A / 6HG5 | 1 | Yes | |
| RCA | 6AQ6A | 1 | Yes | |
| Silvertone | 6AQ5 | 1 | No | |
| GE | 6AQ5A / 6HG5 | 1 | Yes | |
| GE | 6AQ5 | 1 | No | |
| RCA | 6BE6 | 1 | Yes | |
| National Union | 6BE5 | 1 | Yes | |
| Sylvania | 6AU6WC | 1 | No | |
| GE | 6AU6WC | 1 | No | |
| IEC | 6AU6WC | 1 | No | |
| Philips ECG | 6AU6WC | 4 | No | |
| Unknown | 6AU6WC | 1 | No | |
| National | 6AU6A | 2 | Yes | |
| RCA | 6AU8A | 2 | Yes | |
| GE | 6AU6A | 1 | Yes | |
| Westinghouse | 6AU6A | 1 | Yes | |
| RCA | 6AU6 | 1 | No | |
| National | 6AH6 | 8 | Yes | |
| Westinghouse | 6AH6 | 1 | Yes | |
| RCA | 6AH6 | 1 | Yes | |
| GE | 6AH6WA | 2 | No | |
| Ratheon | 6AS6W | 1 | Yes | |
| RCA | 6AL5 | 2 | Yes | |
| GE | 6AL5 | 1 | Yes | |
| Philips ECG | 6AL5 | 6 | No | |
| Unknown | 6AL5 | 2 | No | |
| Sylvania | 6AM8A | 1 | Yes | |
| RCA | 6AF3 | 1 | Yes | |
| Sylvania | 6AF9 | 1 | No | |
| RCA | 6AK6 | 1 | No | |
| Tung-Sol | 6AK6 | 2 | No | |
| Sylvania | 6AK6 | 1 | No | |
| RCA | 6CZ5 | 1 | Yes | |
| RCA | 6CM8 | 4 | Yes | |
| RCA | 6CM6 | 1 | Yes | |
| National | 6CL6 | 3 | Yes | |
| RCA | 6CL6 | 1 | Yes | |
| Westinghouse | 6CL6 | 2 | Yes | |
| GE | 6CL6 | 1 | Yes | |
| GE | 6CL6 | 2 | No | |
| RCA | 6CL6 | 7 | No | |
| Westinghouse | 6CX8 | 1 | Yes | |
| Philips | 6CH6 | 2 | Yes | |
| Sylvania | 6CB6A-6CF6 | 2 | Yes | |
| GE | 6CB6A/6CF6 | 2 | Yes | |
| Sylvania | 6CB6A | 2 | No | |
| Unknown | 6CB6 | 4 | No | |
| PhilipsECG | 6CB6A | 3 | No | |
| Philco | 6CB6 | 1 | No | |
| RCA | 6CB6 | 1 | No | |
| Sears | 6CG7 – 6FQ7 | 1 | No | |
| GE | 6GN8 / 6EB8 | 2 | Yes | |
| Zenith | 6BZ6 | 2 | Yes | |
| Sylvania | 6BZ6 | 2 | No | |
| RCA | 6BS8 | 2 | Yes | |
| Sylvania | 6BN8 | 7 | Yes | |
| RCA | 6BN8 | 1 | Yes | |
| National | 6BN8 | 7 | Yes | |
| PhilipsECG | 6BN8 | 2 | No | |
| Sylvania | 6BN8 | 6 | No | |
| RCA | 6BQ7A/6BZ7 | 1 | Yes | |
| Raytheon | 6BQ5/EL84 | 1 | Yes | |
| Sylvania | 6BL8 | 1 | Yes | |
| RCA | 6BH6 | 1 | Yes | |
| RCA | 6BE6 | 2 | Yes | |
| Standard | 6BE6 | 1 | Yes | |
| National | 6BF5 | 3 | Yes | |
| RCA | 6BF5 | 1 | Yes | |
| GE | 6BF5 | 1 | Yes | |
| GE | 6BF5 | 2 | No | |
| Sylvania | 6BA7 | 1 | Yes | |
| GE | 6BA7 | 1 | Yes | |
| RCA | 6BA7 | 4 | Yes | |
| RCA | 6BA7 | 1 | No | |
| GE | 6BA6W | 2 | Yes | |
| GE | 6BA6 | 2 | Yes | |
| National | 6BA6 | 3 | Yes | |
| Philips ECG | 6BA6 | 5 | No | |
| GE | 6BA6 | 1 | No | |
| RCA | 6BA6 | 3 | No | |
| Sylvania | 6BA6 | 1 | No | |
| Raytheon | 6BA6 | 1 | Yes | |
| GE | 6BA6 | 2 | No | |
| GE | 6BA8A | 2 | No | |
| Sylvania | 6BA8A | 4 | No | |
| Philips ECG | 6BA6 | 1 | No | |
| Philips ECG | 6BA8 | 1 | No | |
| Sylvania | 6BA6 | 2 | No | |
| RCA | 6BA6 | 1 | No | |