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QRP 4:1 Balun -Teflon Windings - 1.5 to 40 MHz - 4110s
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Manufacturer:
Balun Designs | | SKU: |
4110s
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Price: $44.95
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This model is the very useful 4:1 current balun, one of the most versatile ratios for a QRP balun. Great for off center fed dipoles, ladder line fed multiband dipoles etc. Extremely compact and light weight with alternative connectors just for the QRPer.
**CAUTION**
By design, QRP baluns are constructed to be lightweight and portable and are not intended for longterm or permanent outdoor use. If used in a permanent outdoor installation, additional attention must be given to weatherproofing and strain relief. Damage caused by such use will not be covered under our lifetime warranty.
Be sure to look at the unique mounts available for the QRP line of baluns
Design Features
- Special mix toroid with low permeability allows broadband coverage. Toroid is also coated with epoxy paint for extra durablity.
- The design has excellent low frequency response which makes them very efficient (98-99%). This balun is perfect for 160, 80 and 40 meters where most dipoles are used but because of the short length windings, is excellent well past 10 meters.
- 2 separate bifilar windings of 18 gauge Teflon covered wire. 5000v breakdown voltage.
All hardware is Stainless Steel.
- BNC connectors are available in the Accessories section.
Enclosure is a very compact 3X2X1.5 inch polycarbonate box with a bottom plate that fits flush with the case. Plate is an exceptional fit that can be easily weatherproofed if desired.
This balun will handle continuous power of 400 watts continuous.
It will not heat up at rated power, using extended duty cycles or stressing load conditions.
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