Amateur Radio Amplifiers

Everything about setting up, operating, and maintaining amateur linear amplifiers

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Title Start Date
Replies Views
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  1. N0JA

    FL-2000B input SWR

    N0JA, Jun 22, 2021 at 4:59 PM
    Replies:
    4
    Views:
    79
    WB2WIK
    Jun 23, 2021 at 1:00 AM
  2. KS2K

    What Amplifier to buy

    KS2K, Feb 16, 2021 ... 2 3 4
    Replies:
    35
    Views:
    2,306
    N3DT
    Jun 23, 2021 at 12:07 AM
  3. N8AHH

    Yaesu FL-7000 transistor replacement.

    N8AHH, Jun 22, 2021 at 5:29 AM
    Replies:
    2
    Views:
    97
    K1MMI
    Jun 22, 2021 at 12:04 PM
  4. K6WI

    Ameritron 811H users in here, please

    K6WI, Dec 26, 2020 ... 3 4 5
    Replies:
    45
    Views:
    2,435
    W1QJ
    Jun 22, 2021 at 10:54 AM
  5. ZL1MTO

    Amplifier recommendations please

    ZL1MTO, Jun 9, 2021 ... 5 6 7
    Replies:
    60
    Views:
    1,727
    VK3TEX
    Jun 22, 2021 at 5:40 AM
  6. W8LR

    Tokyo Hi-Power HL-36U Schematic Needed

    W8LR, Jun 21, 2021 at 4:19 AM
    Replies:
    0
    Views:
    45
    W8LR
    Jun 21, 2021 at 4:19 AM
  7. MM0IMC

    GS35b Anti Parasitic Choke?

    MM0IMC, Apr 20, 2021 ... 2
    Replies:
    12
    Views:
    539
    AE0Q
    Jun 20, 2021 at 5:50 PM
  8. W4HWD

    KPA500 - 120 or 240?

    W4HWD, Aug 28, 2019 ... 2 3
    Replies:
    23
    Views:
    2,623
    KE7FXO
    Jun 20, 2021 at 9:44 AM
  9. AC9YY

    Ameritron AL-80B No Output

    AC9YY, Jun 18, 2021 at 7:11 PM
    Replies:
    9
    Views:
    191
    AC9YY
    Jun 19, 2021 at 2:20 AM
  10. K4OW

    High SWR only when amp (SB-221) is keyed

    K4OW, Jun 15, 2021 ... 2 3
    Replies:
    27
    Views:
    739
    K4OW
    Jun 18, 2021 at 3:25 PM
  11. CM2IU

    problems with 572B tube

    CM2IU, May 6, 2021 ... 2
    Replies:
    11
    Views:
    767
    VK2KTG
    Jun 18, 2021 at 3:20 AM
  12. KJ7TZS

    Old tube amps

    KJ7TZS, Jun 7, 2021 ... 2
    Replies:
    14
    Views:
    852
    KD9IQO
    Jun 15, 2021
  13. K5FRH

    Opinions Wanted on Sino 811 Tubes ?

    K5FRH, Jun 9, 2021
    Replies:
    4
    Views:
    236
    K0UO
    Jun 15, 2021
  14. WA4OHZ

    Harbach Soft Start & SB-220/221

    WA4OHZ, Jun 13, 2021
    Replies:
    3
    Views:
    181
    N8VIL
    Jun 15, 2021
  15. N8FVJ
    Locked

    Illegal high power HF amplifiers

    N8FVJ, May 20, 2019 ... 31 32 33
    Replies:
    329
    Views:
    51,990
    WA4SIX
    Jun 14, 2021
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