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Categories
  • Baluns
    • All Baluns
    • 1:1 Feedline Isolation / Choke Balun
    • 1:1 ATU Baluns
    • 1:1 Common Mode Choke / Noise Suppression
    • 1:2 Balun (25 to 50 ohms)
    • 2:1 Baluns (100 to 50 ohms)
    • 2.5:1 Balun (125 to 50 ohms)
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      • All 4:1 Baluns (200 to 50 ohms)
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    • 6:1 Balun (300 to 50 ohms)
    • Low Power (QRP) Baluns
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    • All Ununs
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    • Custom Ununs < 50 ohms
    • Custom Ununs >50 ohms
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    • All Accessories & Connectors
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    • Mounting Options
    • Replacement Enclosures
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    • Top Support Eyebolt
  • Unique Models
    • All Unique Models
    • Folded Counterpoise Transformers
    • Transformers for EFHW Antennas
    • Specialty Units
  • New Releases
  • Units by Antenna Type
    • All Units by Antenna Type
    • End Fed Antennas
    • End Fed Half Wave Antennas
    • Dipoles
    • Doublets
    • Loop Antennas
    • Off Center Fed Dipoles
    • Resonant Verticals
    • Multiband Verticals & Longwires
    • Yagis / Beams
Recent Posts
  • Core Material Selecton for Baluns and Ununs

    Selecting the best toroid material or "mix" for baluns and ununs.Transmitting balunsOccasionally e …
    read more
    12th Aug 2022 Various
  • Long Wire Radiation Patterns

    This is a partial reprint (with permission) of an excellent series of articles published by KV5R …
    read more
    22nd May 2021
  • SWR and the Impact of Your Feedline

    Reprinted with permission of Hamuniverse, this is an excellent explanation of SWR and how to best me …
    read more
    31st Dec 2019 Walt Fair, W5ALT
  • Antenna Matching Problems When Using Ladder Line or Open Wire Feedlines

    Most matching problems occur when the antenna system presents an extremely high impedance to the tu …
    read more
    3rd Nov 2019 Various
Due to supplier shortages, carrier delays and order volume our current production time is 5-7 days. Please use this link for additional information about our fulfillment process.
  • Featured
  • Bestselling
  • New
  • Model 36130 - 36:1 for EFHW, 150 watts Model 36130 - 36:1 for EFHW, 150 watts
    Choose Options
    Quick view

    Model 36130 - 36:1 for EFHW, 150 watts

    MSRP:
    Now: $71.95
    Was:
    This is the latest and greatest transformer design for End Fed Half Wave (EFHW) antennas.  Researched and developed by Bob Glorioso, W1lS and Bob Rose KC1DSQ, they discovered that most...
  • Model 36131 - 36:1 for EFHW, 800 watts Model 36131 - 36:1 for EFHW, 800 watts
    Choose Options
    Quick view

    Model 36131 - 36:1 for EFHW, 800 watts

    MSRP:
    Now: $104.95
    Was:
    This is the latest and greatest transformer design for End Fed Half Wave (EFHW) antennas.  Researched and developed by Bob Glorioso, W1lS and Bob Rose KC1DSQ, they discovered that most...
  •  Model 1115t - 1:1 Isolation - Suppression Balun, 1.5-54 Mhz, 3kW  KIT  Model 1115t - 1:1 Isolation - Suppression Balun, 1.5-54 Mhz, 3kW  KIT
    Add to Cart
    Quick view

    Model 1115t - 1:1 Isolation - Suppression Balun, 1.5-54 Mhz, 3kW KIT

    MSRP:
    Now: $54.95
    Was:
    The venerable 1:1 isolation/choke balun is the first of our new line of DIY kits.  All components are the same as those used in our pre-assembled  units. The completed balun will have an...
  • Model 9135 - 9:1 Unun 1.5 - 54MHz - 5kW Model 9135 - 9:1 Unun 1.5 - 54MHz - 5kW
    Choose Options
    Quick view

    Model 9135 - 9:1 Unun 1.5 - 54MHz - 5kW

    MSRP:
    Now: $94.95
    Was:
    This design is excellent for matching both long and short length unbalanced long wire antennas for multiband use and will allow the internal tuner of most rigs to match a single long wire...
  • Model 1115 - 1:1 Balun, 1.5-54 MHz, 3kW Model 1115 - 1:1 Balun, 1.5-54 MHz, 3kW
    Choose Options
    Quick view

    Model 1115 - 1:1 Balun, 1.5-54 MHz, 3kW

    MSRP:
    Now: $78.95
    Was:
    Balun Designs, in collaboration with Fair Rite products, has developed what we consider to be the best single core 1:1 feedline isolation balun available today. By reviewing the scans shown below you...
  • Model 1116d -  1:1 Balun,  Optimized for Low Bands, 5kW Model 1116d -  1:1 Balun,  Optimized for Low Bands, 5kW
    Choose Options
    Quick view

    Model 1116d - 1:1 Balun, Optimized for Low Bands, 5kW

    MSRP:
    Now: $94.95
    Was:
    This Isolation balun is an identical design to the Model 1115d with one key exception. The material utilized for the two stacked cores is optimized for the lower HF bands and provides exceptional
  • Model 4116 - 4:1 Hybrid Balun 1.5 - 54MHz 3kW Model 4116 - 4:1 Hybrid Balun 1.5 - 54MHz 3kW
    Choose Options
    Quick view

    Model 4116 - 4:1 Hybrid Balun 1.5 - 54MHz 3kW

    MSRP:
    Now: $108.95
    Was:
    For those who would like the combination of a 4:1 balun capable of tolerating a compromised Off Center Fed Dipole or multiband loop installation and still provide a high level of performance, the...
  • Model 1115d - Max  Choking 1:1 Balun, 1.5-54 MHz, 5kW Model 1115d - Max  Choking 1:1 Balun, 1.5-54 MHz, 5kW
    Choose Options
    Quick view

    Model 1115d - Max Choking 1:1 Balun, 1.5-54 MHz, 5kW

    MSRP:
    Now: $94.95
    Was:
    Designed for those who want the maximum isolation and choking across the full HF spectrum. Building on the original 1:1 design by Dr. Jerry Sevick, this balun has two (2) cores in a stacked...
  • Model 36130 - 36:1 for EFHW, 150 watts Model 36130 - 36:1 for EFHW, 150 watts
    Choose Options
    Quick view

    Model 36130 - 36:1 for EFHW, 150 watts

    MSRP:
    Now: $71.95
    Was:
    This is the latest and greatest transformer design for End Fed Half Wave (EFHW) antennas.  Researched and developed by Bob Glorioso, W1lS and Bob Rose KC1DSQ, they discovered that most...
  • Model 36131 - 36:1 for EFHW, 800 watts Model 36131 - 36:1 for EFHW, 800 watts
    Choose Options
    Quick view

    Model 36131 - 36:1 for EFHW, 800 watts

    MSRP:
    Now: $104.95
    Was:
    This is the latest and greatest transformer design for End Fed Half Wave (EFHW) antennas.  Researched and developed by Bob Glorioso, W1lS and Bob Rose KC1DSQ, they discovered that most...
  • PL-259 RF Chassis Connector
    Add to Cart
    Quick view

    PL-259 RF Chassis Connector

    MSRP:
    Now: $6.00
    Was:
    Alternative RF connector rather than the standard SO-239 UHF connector.  This is a very difficult to find connector so we limit individual sales to 2 pieces.  This is an excellent...
  • Model 64131e - 64:1 & 49:1 -  80-10m EFHW - Up to 1kW Model 64131e - 64:1 & 49:1 -  80-10m EFHW - Up to 1kW
    Add to Cart
    Quick view

    Model 64131e - 64:1 & 49:1 - 80-10m EFHW - Up to 1kW

    MSRP:
    Now: $115.95
    Was:
    For those that enjoy half wave end fed antennas but want to run more power, Balun Designs now offers an excellent alternative.  Built with the same craftsmanship as all our other units, this new...
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Top Categories

  • Baluns

    • 1:1 Feedline Isolation / Choke Balun
    • 1:1 ATU Baluns
    • 1:1 Common Mode Choke / Noise Suppression
    • 1:2 Balun (25 to 50 ohms)
    • 2:1 Baluns (100 to 50 ohms)
    See All
  • Ununs

    • 4:1 Ununs
    • 9:1 Ununs
    • Auto Transformer for End Fed Half Waves
    • Custom Ununs < 50 ohms
    • Custom Ununs >50 ohms
    See All
  • DIY Kits

  • Low Power Units

  • End Fed Half Wave units

  • Parts & Add Ons

  • Accessories & Connectors

    • Alternate RF Connectors
    • Mounting Options
    • Replacement Enclosures
    • Ring Terminals
    • Top Support Eyebolt
    See All
  • Unique Models

    • Folded Counterpoise Transformers
    • Transformers for EFHW Antennas
    • Specialty Units
    See All

Featured

  • Model 36130 - 36:1 for EFHW, 150 watts

    Model 36130 - 36:1 for EFHW, 150 watts

    MSRP:
    Now: $71.95
    Was:
    Choose Options Quick view
  • Model 36131 - 36:1 for EFHW, 800 watts

    Model 36131 - 36:1 for EFHW, 800 watts

    MSRP:
    Now: $104.95
    Was:
    Choose Options Quick view
  •  Model 1115t - 1:1 Isolation - Suppression Balun, 1.5-54 Mhz, 3kW  KIT

    Model 1115t - 1:1 Isolation - Suppression Balun, 1.5-54 Mhz, 3kW KIT

    MSRP:
    Now: $54.95
    Was:
    Add to Cart Quick view

Bestselling

  • Model 1115 - 1:1 Balun, 1.5-54 MHz, 3kW

    Model 1115 - 1:1 Balun, 1.5-54 MHz, 3kW

    MSRP:
    Now: $78.95
    Was:
    Choose Options Quick view
  • Model 1116d -  1:1 Balun,  Optimized for Low Bands, 5kW

    Model 1116d - 1:1 Balun, Optimized for Low Bands, 5kW

    MSRP:
    Now: $94.95
    Was:
    Choose Options Quick view
  • Model 4116 - 4:1 Hybrid Balun 1.5 - 54MHz 3kW

    Model 4116 - 4:1 Hybrid Balun 1.5 - 54MHz 3kW

    MSRP:
    Now: $108.95
    Was:
    Choose Options Quick view

New

  • Model 36130 - 36:1 for EFHW, 150 watts

    Model 36130 - 36:1 for EFHW, 150 watts

    MSRP:
    Now: $71.95
    Was:
    Choose Options Quick view
  • Model 36131 - 36:1 for EFHW, 800 watts

    Model 36131 - 36:1 for EFHW, 800 watts

    MSRP:
    Now: $104.95
    Was:
    Choose Options Quick view
  • PL-259 RF Chassis Connector

    PL-259 RF Chassis Connector

    MSRP:
    Now: $6.00
    Was:
    Add to Cart Quick view
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Balun Designs
  • 10500 Belvedere
    Denton, TX 76207
    USA
  • Call us at 817-832-7197
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