Tube Feed Line Chokes

MINI-BALUN 9:1, Top Studs output, 500 Watts PEP, 1-61 MHz

SKU MB-9-500TS
$59.95
4 available
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MINI-BALUN 9:1, Top Studs output, 500 Watts PEP, 1-61 MHz
Product Details
Brand: Palomar Engineers
MPN: MB-9-500TS
Country/Region of Manufacture: United States
Effective Frequency Range (MHz): 1-60
PEP Power Rating (watts): 500 SSB (25% duty cycle), 250 Watts CW/FT8 (50% duty cycle)
Estimated Insertion Loss (db): .25 db
Input Connector Type: SO-239 female
Output Connector Connector Type: Dual 1/4" stainless steel studs
Enclosure Size (LxWxH inches): 3" long, 2 in wide, 1.25" high

9:1 MINI-BALUN Features:

- Uses proprietary Multi-Turn, Multi-Ferrite technology for maximum power transfer and minimum SWR

- 500 Watts PEP, 50 ohm SO-239 connectors In, Dual Stud Output, 1-61 MHz (usable to 100 MHz) - AKA 9:1 BALUN

- Works for coax fed antennas from 1.8-61 MHz (160-6 meters)

- 2-5 times more wider bandwidth and higher power then competing baluns of similar power ratings


This balun has a SO-239 input and 1/4" top studs output.

For Higher Power needs use our CB-9-1500TS or CB-9-5000TS







TUBE feed line chokes/Line Isolators are used to suppress common mode current carried on the outside of the  coax braid which is often responsible for receiver noise and RFI in the receiver/transmitter. These chokes are very useful for suppressing RFI common mode current at the antenna feed point, at 1/4 wavelength intervals along the coax feed line and also at the entrance to the radio station.  They are available with various input and output connectors so as to conveniently connect to standard output connectors already installed on your feed line.

Palomar Engineers TUBE feed line chokes are designed to have 2-5 times more choking impedance over a broader frequency range than competitor units in similar packaging.  Each choke has the choking impedance and effective frequency range on the product label so you can choose the product best suited for your application.