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      • 2SC2510 Datasheet – HG Semi
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      • 2SC2879C HG Transistors
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      • Collins 51S-1 Receiver
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      • Collins R-389 VLF Receiver
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      • Collins S-line and A-line knob screw sizes
      • Collins Antenna Switch – Custom Build
      • Collins 30L-1 HF Amplifier project #106
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    • EFHW – End Fed Half Wave Antennas
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      • HP DPS-1200FB Switching Server Power Supplies
    • QUANSHENG UVK5(8) Firmware
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Tinman Amps
  • Home
  • About
  • HF Amplifiers
  • Power Supplies
  • Photo Gallery
  • Box Builders by State
    • Alabama Box Builders
      • Fat Cat Amps – AlleyCat
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      • 757 Boulder Built
      • Straitjacket Amps
    • Connecticut Box Builders
      • Amp Repair Guy
    • Florida Box Builders
      • EMB Amplifiers
      • Ghostrider Amps
    • Georgia Box Builders
      • D-Rail – Wolfman CB Shop
      • Gatekeeper Amps
      • Mud Duck Sharky
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      • SKULLCRACKA
    • Greece Box Builders
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      • Mr BBI – Box Builder Idaho
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      • Carlbuilt
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    • Kentucky Box Builders
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      • Trucks CB Sales
    • Louisiana Box Builders
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      • Timber Reaper Custom Amplifiers
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      • Tinman Amps Springfield MIssouri
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      • Joseph V. Bednarsky Jr.
      • Rain Makers Customs
    • New York Box Builders
      • Hammer Jockey
      • Mountain Top Electronics
    • North Carolina Box Builders
      • 3 Made Amps
    • Ohio Box Builders
      • Needle Bender
    • Oklahoma Box Builders
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      • Manota Illuminati Custom Ham Radio
    • South Carolina Box Builders
      • CuzCustoms Amps
      • Hopper Built Amps
      • JOKERMAN ELECTRONICS
    • Tennessee Box Builders
      • Rooster CB
    • Texas Box Builders
      • 420 Built Amplifiers
    • Victoria Australia Box Builders
      • VK Amps
      • 931 – Sledgehammer Built
    • Virginia Box Builders
      • BigDawg Amps
      • Dave Made Amps
      • Donkey Stomper Products
    • Wisconsin Box Builders
      • 491 Built Amps
    • Wyoming Box Builders
      • 307 Amplifiers
    • 106 Amps
    • 394 Audible technologies (394 Made)
    • dr07828 – How to build 2SC2879 Amplifiers for 10-12 Meters
    • Mr. Baluns Amps
    • @dr07828
  • Resources
    • RF Device Datasheets – (Bipolar and LDMOS)
      • 2SC2510 Datasheet – HG Semi
      • 2SC2879 Datasheet – HG Semi
      • 2SC2879C HG Transistors
    • 3CX15000 Amplifiers
    • 4CX15000A Amplifiers
    • Antek Transformers
    • Bird 43 Wattmeter Videos
    • US Navy Electricity and Electronics Training Modules – (EET)
    • Collins Radio
      • TreeTop SSB Adapters for Collins Receivers
      • Howard Mills – Collins Radio Restorations
      • Collins 51S-1 Receiver
      • Collins 516F-2 Power Supply
      • Collins KWM-2 Project #116
      • Collins R-389 VLF Receiver
      • Collins R390A Receiver
      • Collins S-line and A-line knob screw sizes
      • Collins Antenna Switch – Custom Build
      • Collins 30L-1 HF Amplifier project #106
    • Component Vendors and Suppliers
    • EFHW – End Fed Half Wave Antennas
    • Hammarlund Receivers
      • Hammarlund HQ-100 Receiver
      • Hammarlund HQ-110 Receiver
    • Hermes Lite 2 SDR Transceiver
    • HP Switching Power Supply Units
      • HP DPS-1200FB Switching Server Power Supplies
    • QUANSHENG UVK5(8) Firmware
    • Texas Star Amplifiers
    • WebSDR Receivers
      • k3fef.com
      • kfsdr.com
      • KFS KiwiSDR Sector Antennas
  • Contact
  • Store
    • All Products
Tinman Amps

Collins 51S-1 – Still Listening, Somewhere

  • January 3, 2026
YouTube Video UCJQiJmbXfYCq_PGU1IZ2D9w_bQ-CSmaxXIE This video looks at a receiver built for work that didn't invite attention. The Collins 51S-1 doesn't feature heavily in radio folklore.

This video looks at a receiver built for work that didn’t invite attention. The Collins 51S-1 doesn’t feature heavily in radio folklore.

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