B4-2K

Precision, high power 4:1 balun

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B4-2K 4:1 Voltage Balun 2 kW $54.95
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Balun Type Voltage
Ratio 4:1
Operating Bandwidth 80 - 10 m
Power Loss < .6 dB
Saturation Resistant No
Internal Transmission Line Z » 40 Ohms
Core Type Ferrite Toroid
Power Rating @ 3.5 MHz 1.5 kW if SWR < 3:1 *
Output Balance Good
Load Variation Tolerance Good
Input connector SO-239
Output Connector Wire
Size, case 3.5" x 3.5"
* Important: Not rated for AM, RTTY or other high duty-cycle modes. Power rating is for normal SSB and CW duty-cycles only.
Applications: All B4-1.5K applications. Folded dipoles, delta-loops, or any general purpose 200 - 300 ohm applications. Use the B4-2KX in precision applications: Wire beams, KT-series Yagis, etc.
Top of the Line
Laboratory Developed
Fresh Design Approach
Large Toroidal Cores
Precision transmission line designs
Special, Large Gauge, High Temperature,
High Voltage Wire.
Network Compensation for Wide Bandwidth

Talk about something SPECIAL!

The B4-2K is a high quality 4:1 voltage-type balun. Special ferrite toroids manage reactance and provide the very high inductance values necessary in a 4:1 balun. This balun uses a large, efficient, toroid core, heavy, high- voltage wire, and special winding techniques. All this, combined with our exclusive, built-in L-C compensation networks achieves wide bandwidth, excellent output balance and a high power safety factor. It's an unbeatable combination. It's the best 4:1 voltage balun.

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