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DX Engineering Bead Choke Standoff Kits

DX Engineering Bead Choke Standoff Kits

DX Engineering Bead Choke Standoff Kits bring a practical solution to a serious problem when ferrite chokes are placed directly onto the metal boom at the feedpoint of beam antennas. A number of Amateur Radio operators and antenna engineers have known for years about the superior choking function of many ferrite toroids beads placed directly on the coaxial cable, as compared to standard feedpoint baluns. A more recent revelation is that the proximity of ferrite beads on coax taped to the aluminum boom of the antenna drastically reduces their effectiveness.

DX Engineering Bead Choke Standoff Kits are mounting systems, made of fiberglass, PVC and stainless steel hardware, and are available in four versions. Two sizes of PVC cradle tubes handle two different types of RF bead chokes; 3/4 inch outside diameter (OD) ferrite beads on RG-400 size cable, and 1 inch OD ferrite beads on RG-213 size 0.405 in. coax cable. Each are offered with two different boom size clamps, 2 inch OD and 3 inch OD. They simply hold an RF bead choke and feedline 4 inches away from the metal beam antenna boom (or 4 inches away from the metal mast for a dipole). They maintain the optimal choking performance of ferrite beads on coax. Using DX Engineering Bead Choke Standoff Kits, ferrite bead chokes function at peak performance for these key results:
• Prevent feedline radiation of RF
• Preserve current balance for proper beam antenna pattern
• Prevent feedline shield exterior collected noise and signals from entering the antenna and interior of the feedline, resulting in lower noise floor and enhanced reception

The absolute superiority of RF chokes made of many beads on the feedline, over the traditional enclosure balun, is becoming better understood in Amateur Radio. They achieve the best possible RF isolation of the feedline from the antenna and provide completely balanced currents at the feedpoint. Plus, they provide quieter reception with reduction of common-mode noise. Keeping these RF Chokes away from metal preserves the optimal function of this method of directional antenna feedpoint current balance and isolation. This mechanical requirement is simple and practical with DX Engineering Bead Choke Standoff Kits.

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DX Engineering DXE-BCSO-2-075 - DX Engineering Bead Choke Standoff Kits

Click here for more information about DX Engineering DXE-BCSO-2-075 - DX Engineering Bead Choke Standoff Kits

Bead Choke Standoff Mounting Kit. 0.75 Inch Diameter Choke, 2.0 Inch Boom, Each

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Part Number: DXE-BCSO-2-075 More Detail...

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$59.99

DX Engineering DXE-BCSO-2-100 - DX Engineering Bead Choke Standoff Kits

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Bead Choke Standoff Mounting Kit, 1.0 Inch Diameter Choke, 2.0 Inch Boom, Each

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Part Number: DXE-BCSO-2-100 More Detail...

Availability: In Stock
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Want your order tomorrow, May 23?
Order in the next 18 hrs 23 mins and
select Next Day Air in checkout.

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$59.99

DX Engineering DXE-BCSO-3-075 - DX Engineering Bead Choke Standoff Kits

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Bead Choke Standoff Mounting Kit, 0.75 Inch Diameter Choke, 3.0 Inch Boom, Each

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Part Number: DXE-BCSO-3-075 More Detail...

Availability: In Stock
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Order in the next 18 hrs 23 mins and
select Next Day Air in checkout.

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$59.99

DX Engineering DXE-BCSO-3-100 - DX Engineering Bead Choke Standoff Kits

Click here for more information about DX Engineering DXE-BCSO-3-100 - DX Engineering Bead Choke Standoff Kits

Bead Choke Standoff Mounting Kit, 1.0 Inch Diameter Choke, 3.0 Inch Boom, Each

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Part Number: DXE-BCSO-3-100 More Detail...

Availability: In Stock
Estimated Ship Date: Loading...Processing Today

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Order in the next 18 hrs 23 mins and
select Next Day Air in checkout.

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$59.99

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