Review Category: Electron Tubes
| Product Name | # Reviews | Last Review | MSRP $ | Avg Rating |
|---|---|---|---|---|
| 572B T160L Shuguang | 2 | 2014-11-21 | 50.00 | (2) |
| GU43b | 1 | 2018-06-11 | 50 | (5) |
| 3tf7 solid state replacement | 1 | 2016-04-27 | 58 euros | (5) |
| 4CX800A / GU74B ceramic tetrode | 13 | 2023-10-20 | Varies | (4.5) |
| 572B RF PARTS | 9 | 2017-11-03 | 69.95 | (4.1) |
| 572B Tubes- China Manu. | 27 | 2016-09-23 | $35 | (3.4) |
| 813 | 8 | 2019-07-03 | N/A | (4.8) |
| AMPEREX 3-500ZG | 4 | 2017-10-21 | 200.00 usd | (3.8) |
| Cetron 572B | 4 | 2021-08-30 | 200+ | (5) |
| Cetron Jan 811A | 9 | 2015-01-03 | $25 | (2.9) |
| CHINESE 572B TUBES | 16 | 2022-04-22 | varies in price. | (3.5) |
| Chinese 811A Tubes | 8 | 2024-08-17 | 15-30 | (2.9) |
| DX Engineering 572B | 2 | 2021-09-01 | 81.95 | (4) |
| DX Engineering GU74b/4CX800a | 1 | 2017-02-08 | 350 | (5) |
| EIMAC , 4CX250B | 1 | 2009-02-07 | $$$ variable | (5) |
| Eimac 3CX1200A7 | 4 | 2024-02-10 | $1235 | (4.8) |
| EIMAC 3CX1500A7/8877 | 8 | 2019-07-09 | (4.5) | |
| Eimac 3CX3000A7 | 11 | 2022-02-24 | prices varies | (5) |
| EIMAC 3CX800A7 | 13 | 2024-04-26 | 600 | (4.3) |
| Eimac 4CX1500B | 1 | 2011-01-23 | (5) | |
| EIMAC 4CX350A | 1 | 2007-11-28 | $$$$ ??? | (5) |
| EIMAC 4PR1000B | 1 | 2005-10-20 | (5) | |
| FU-728F TETRODE TUBE | 6 | 2024-06-05 | $200usd | (4.2) |
| Greenstone (USA), Inc., 4-400C Tubes | 2 | 2013-06-10 | $160.00 each | (2) |
| Greenstone 8877/3CX1500A7 | 1 | 2017-05-21 | 745 | (1) |
| GU78B | 1 | 2020-08-01 | $500 | (2) |
| Heintz-Kaufman 811A Gammatron | 2 | 2019-07-02 | None. | (4.5) |
| Jetstream 811A tubes | 1 | 2007-10-11 | (1) | |
| Machlett 3-500Z | 1 | 2022-04-27 | $195.00 | (4) |
| Penta Labs 3CX800A7 | 1 | 2008-01-22 | $400 | (0) |
| Psvane 572B Tubes | 1 | 2024-10-10 | $65.00 US | (4) |
| RCA 811 | 6 | 2022-05-12 | 25$-55 ea as of 2012 | (4.5) |
| RF Concepts 3--500ZG | 1 | 2014-12-15 | 278 matched pair | (5) |
| RF Parts 3-500ZG | 41 | 2023-02-06 | 119.00 | (5) |
| RF Parts 3-500ZG-MP | 2 | 2022-10-22 | $450 | (5) |
| RF Parts 811's | 12 | 2018-07-08 | 79.95,59,95 | (4.4) |
| Russian coaxial tetrode GS23B | 1 | 2009-04-12 | 200 | (5) |
| Russian GI-7B | 3 | 2020-12-19 | 32.50 | (5) |
| Russian Ryazan G811/811A | 1 | 2021-08-19 | $18-25 typical | (5) |
| Russian Triodes GS31/GS35b | 4 | 2016-08-22 | 120 | (5) |
| Shuguang 6146B | 2 | 2016-12-06 | (4) | |
| Sovtek / Ryazan 811A | 3 | 2022-05-07 | (4.7) | |
| Svetlana 572B | 19 | 2021-01-03 | 109.00 matched pair | (3.8) |
| Svetlana 811A | 2 | 2021-08-23 | 24.95 | (4.5) |
| Svetlana EL-509/6KG6 | 2 | 2004-01-29 | $13.50 | (3) |
| Taylor 3-500ZG | 4 | 2020-11-27 | 169.95 | (4.5) |
| Taylor 572B triode transmitting tube | 25 | 2024-07-24 | 99.90 matched pair | (3.7) |
| TAYLOR 811 | 4 | 2021-08-20 | 24.95 ea | (3.8) |
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813
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572B T160L Shuguang
