12:1 Baluns/Ununs

3004608882 - 12:1 Baluns/Ununs
+3

Bullet Hybrid (4:1) HF Balun + 1:1 Choke, 1.8-61 MHz, 500/1500 Watts, OCF, Loop, Folded Dipole Antennas

BULLET-4-1-500EB
$119.95
In stock
1
Product Details
Country/Region of Manufacture: USA
Type: NEW
Input ohms/Output ohms: 50 in, 200 out
Frequency Range < 2:1 SWR (MHz): 1.8-100
PEP Power Rating (watts): 500
Transformer Topology: Braodband Ferrite
Hardware Type: Stainless Steel
Weight (pounds): 2
Antenna Compatability: OCF, Folded Dipole, Loop

The Bullet-4-1-500EB (500 watts PEP) or the SBULLET-4-1-1500EB (1500 watts PEP) are both multi-core, 4:1 (50 ohm to 200 ohm) balun plus a 1:1 feed line choke in a single compact (looks like a bullet) enclosure that is lightweight and easy to transport for your fixed/portable.Common Mode Rejection Ratio (CMRR) up to -30 dB for internal feed line chokes.

Very useful for multi-band Off Center Fed, folded dipole and multi-band loop antenna systems. Halyard hoist at top of balun for convenient attachment point. Input is via SO-239 UHF coax connector and output with side eye bolt output.

Dimension of 1500 watt model is 8.5 inches tall, 6.5 inches wide tip to tip on the eyebolts.

Shipping weights are 2 pounds for 500 watt version and 3 pounds for 1500 watt version.



Remember we over engineer our products, to out perform our competition - just compare the weight and frequency range of our baluns to theirs and you will know we put much more into our products so you don't have to worry about failure at a critical moment.


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12:1 Baluns are useful between 600-650 ohm balanced loads the impedance at the  end of the feed line is 600 ohms (1/2 wavelength feed line), or high impedance feeds for rhombic,  T2FD and traveling wave antennas.

12:1 Ununs are useful between coax and long wires with a load impedance near 600 ohms like a beverage antenna.  Shortwave listener antennas also can benefit with the 12:1 unun and it may provide a better match than 9:1 ununs – this means quieter noise levels and stronger signals so you can hear distance stations easier.