Amplify Your Signal with the Texas Star DX 400 CW Transmitter!

Get ready to light up the 10-meter band, ham radio fans—the Texas Star DX 400 CW Transmitter is here to take your signals to the next level! This legendary 10-meter ham radio amplifier delivers booming, crystal-clear transmissions that make you stand out on the airwaves. With a rock-solid reputation and a loyal following among operators, the DX 400 is your ultimate companion for mobile or base station setups. Want to know why this CW transmitter has been a ham radio staple for decades? Let’s dive into the specs and history that make the Texas Star DX 400 a game-changer!

Unleash Raw Power on the 10-Meter Band

The Texas Star DX 400 is a compact powerhouse, built for CW operation on the 10-meter band (28.0–29.7 MHz) with a maximum input power of 4 watts for clean, legal performance,Copper Electronics. Featuring four 2SC2290 transistors (or 2SC2879s in later models), it pumps out 200–250 watts PEP output with 10–15 watts PEP input when properly tuned,CBTricks.com. Weighing just 6 pounds and measuring 3-1/4″ (H) x 6-5/8″ (W) x 10-3/4″ (D), it’s perfect for mobile operators, powered by a 12-volt battery or regulated supply. With a 100% duty cycle and 50 ppm frequency stability (0–50°C), the DX 400 thrives in any conditions. Ready to dominate the airwaves? This ham radio amplifier delivers!

Crystal-Clear Signals, Ultimate Flexibility

The DX 400 doesn’t just amplify—it shines. Its AB1 bias setup keeps distortion low, producing signals so clean they’ll earn you compliments, with harmonics suppressed by over 30 dB. A 50-ohm impedance ensures easy antenna hookups, and it draws just 8 amps at 13.6 volts DC for efficiency,Copper Electronics. Features like a white “REC AMP” button for 6dB receive gain and a yellow “DELAY” button for SSB operation add versatility,Copper Electronics. Pro tip: keep your AM dead-key at 2–3 watts for a 50–60-watt carrier swing. Whether you’re chasing DX or working local nets, the DX 400 makes every transmission epic.