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300 Ohm - Ladder Line 450 Ohm - Ladder Line Choke Baluns Ladder-Loc®

Balanced Ladder Line for Efficient HF Transmission (Data Sheet)

DX Ham Radio Supply offers 300 Ohm and 450 Ohm ladder line for balanced feedline applications. Ladder line is a low-loss, high-efficiency transmission line commonly used with balanced tuners and center-fed antennas like dipoles and doublets.

Why Choose Ladder Line?

  • Low Loss at HF: Excellent power transfer even at higher frequencies and long feedline runs
  • Ideal for Tuned Antenna Systems: Works well with open wire tuners and baluns for multiband operation.
  • Highly Flexible and Lightweight: Easy to deploy in portable or permanent installations.

Available Options

  • 300 Ohm Ladder Line: Suitable for shorter runs or installations where line spacing and impedance must be tightly controlled.
  • 450 Ohm Ladder Line: The most popular choice among amateur radio operators for all-band HF use with tuners.

Built to Perform in Outdoor Environments

Our ladder line features UV-resistant insulation and strong stranded conductors to withstand years of exposure. Whether you're installing a backyard doublet or a field antenna, our balanced feedline solutions provide high performance and minimal signal loss.
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LL30018 OHM Ladder Line LL450FX OHM Ladder Line LL450FX OHM Ladder Line LL450FX OHM Ladder Line
300 OHM - 18/19 AWG 25 FT.
Our price: $16.34

(1)
300 ohm, #18, 19 strand copper clad steel ladder line, PE jacket #16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x  .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees. #16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees. #16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees.
LL450FX OHM Ladder Line LL450FX OHM Ladder Line LL450FX OHM Ladder Line LL450FX OHM Ladder Line
Davis RF 450 Ohm Ladder Line – 100 FT | DX Ham Radio Supply
Our price: $89.36
Sale Price: $88.36
Savings: $1.00

(6)
450 OHM 16 AWG 19 Strands 125 FT.
Our price: $111.70
Sale Price: $109.70
Savings: $2.00
Davis RF 450 Ohm Ladder Line – 150 FT | DX Ham Radio Supply
Our price: $134.04
Sale Price: $131.04
Savings: $3.00

(1)
#16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees. #16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees. #16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees. #16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees.
LL450FX OHM Ladder Line LL450FX OHM Ladder Line LL450-551 450 OHM Ladder Line LL450-551 450 OHM Ladder Line
450 OHM 16 AWG 19 Strands 200 FT.
Our price: $178.71
Sale Price: $175.71
Savings: $3.00
450 OHM 16 AWG 19 Strands 250 FT.
Our price: $223.39
Sale Price: $217.39
Savings: $6.00
450 Ohm Ladder Line – 50 FT | DX Ham Radio Supply
Our price: $33.91
Sale Price: $32.83
Savings: $1.08

(2)
#16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x
.930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees.
 		#16 AWG; 19 strands Cu-clad with black poly jacket. Nominal OD .065 x  .930; Extra flexible & less likely to break in the wind. Nominal impedance 420(ohms); VP 91.7%. Good for -20oC to +60oC degrees. 450 ohm, #18 solid copper clad steel ladder line, PE jacket 450 ohm, #18 solid copper clad steel ladder line, PE jacket
LL450-551 450 OHM Ladder Line LL450-551 450 OHM Ladder Line LL450-551 450 OHM Ladder Line LL450-551 450 OHM Ladder Line
450 Ohm Ladder Line – 75 FT | DX Ham Radio Supply
Our price: $50.87
Sale Price: $49.24
Savings: $1.63

(2)
450 Ohm Ladder Line – 100 FT | DX Ham Radio Supply
Our price: $67.82
Sale Price: $65.66
Savings: $2.16

(4)
450 OHM - 18 AWG (Solid Wire) 125 FT.
Our price: $84.78
Sale Price: $82.07
Savings: $2.71
450 Ohm Ladder Line – 150 FT | DX Ham Radio Supply
Our price: $101.73
Sale Price: $98.48
Savings: $3.25

(1)
450 ohm, #18 solid copper clad steel ladder line, PE jacket 450 ohm, #18 solid copper clad steel ladder line, PE jacket 450 ohm, #18 solid copper clad steel ladder line, PE jacket 450 ohm, #18 solid copper clad steel ladder line, PE jacket