U20175 Used Ten-Tec Model 238B High Power Antenna Tuner

U20175 Used Ten-Tec Model 238B High Power Antenna Tuner

The Ten-Tec Model 238B High Power Antenna Tuner is a staple in the amateur radio community, known for its robust Modified "L" topology and exceptional efficiency. Designed to match virtually any antenna system across HF frequencies with minimal loss, this unit handles high power with ease. It is in solid condition with minor cosmetic surface wear on the outer case, while the meter, text, control dials, and rear connections remain clean and well-maintained.

Condition Notes:

• Cosmetic: Minor surface scratches and light wear on the outer metal cabinet consistent with normal ham shack use.

• Front & Rear Panels: Text lettering, control dials, glass meter cover, and all rear connection terminals are in good, crisp condition.

• Functionality: Clean physical condition throughout; please review photos for full details.

Key Features & Capabilities:

• High Power Handling: Rated for up to 2 kW PEP, making it an ideal choice for high-power linear amplifier setups.

• Modified "L" Network Topology: Offers efficient matching with low loss, lower loaded Q, and high harmonic attenuation.

• 4-Position Antenna Switch: Easily select between up to four coaxial outputs, balanced lines, or single-wire configurations.

• Built-in SWR & Wattmeter: Illuminated meter displaying power levels (200W / 2kW scales) and SWR measurement.

• Flexible Tuning Options: Controls for Capacitor, Roller Inductor, Low Z / High Z impedance matching, and a true Bypass mode.

• Versatile Rear Panel Connectivity: SO-239 connectors for RF Input and Antennas 1–4, high-voltage ceramic feedthrough posts for balanced line or single wire, external capacitor terminals, and a 13.5 VDC jack for meter backlighting.

What's Included:

• Ten-Tec Model 238B Antenna Tuner (Serial No. 03C10028)

Warranty

Comes with our 90-Day Warranty!

S/N: 03C10028

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