3 500 tubes7 links
- Heathkit SB-220 and SB-221 essential mod
- Modifications to avoid damage when 3-500Z tubes fail.
[ Hits: 4082 | Votes: 10 | Rating: 5.20 ]
- ATSI Tubes for Broadcast and Transmitting
- Matched Power Broadcast tubes 813,81A,572B,4-400A,3-500,12BY7. etc. Great prices fast delivery.
[ Hits: 1297 | Votes: 1 | Rating: 4.00 ]
- Dentron MLA-2500 Retrofit to the GI-7B
- How retrofit the MLA-2500 with the Russian GI-7B tube to replace the 8875's which are both expensive and hard to come by tubes by W4EMF
[ Hits: 1709 | Votes: 1 | Rating: 5.00 ]
- 3-500Z Amplifier Project
- This article loaded with nice pictures and schematics, describes a 160-10 meter linear amplifier that uses a pair of 3-500Z triode power tubes. It was designed and constructed by William Moneysmith, W4NFR.
The amplifier features fast warm up and 1500-Watt RF output with 100-Watts of drive.
[ Hits: 848 | Votes: 3 | Rating: 9.33 ]
- 500w 4X150A/7034 TubeVHF amplifier
- 500w 4x150a/7034 tube 26-30mhz vhf output amplifier
[ Hits: 1274 | Votes: 3 | Rating: 3.33 ]
- GS-35B 6 meter amplifier
- VHF power amplifier for 50MHz using GS-35B tubes, output 1500 W with 75 W input
[ Hits: 564 | Votes: 1 | Rating: 1.00 ]
- 23cm GI-7B(T) PA
- Tubes used to achieve about 500W on 23 cm band
[ Hits: 424 | Votes: 0 | Rating: 0.00 ]
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