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Tokyo Hy-Power HL-450B Instruction Manual
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Tokyo Hy-Power HL-450B Instruction Manual

Solid state hf band 400w linear amplifier
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INSTRUCTION MANUAL
SOLID STATE HF BAND 400W
LINEAR AMPLIFIER
MODEL : HL-450B

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Summary of Contents for Tokyo Hy-Power HL-450B

  • Page 1 INSTRUCTION MANUAL SOLID STATE HF BAND 400W LINEAR AMPLIFIER MODEL : HL-450B...
  • Page 2 Thank you for purchasing the Tokyo Hy-Power HF band 400W linear amplifier model HL-450B. The HL-450B is a solid state linear amplifier having maximum output of 400 W (PEP) on HF band, making full use of the latest semiconductor circuit technology.
  • Page 3 Keep the amplifier out of direct sunlight, in a cool dry environment. • If strong physical shock is applied to the HL-450B, internal parts may be damaged. Handle the amplifier carefully especially during transportation to avoid the direct shock to be given.

  • Page 4: Specifications

    3. Specifications Frequency All HF amateur bands of 3.5-28 MHz including WARC bands. Mode SSB (A3E), CW (A1A), FM (F3E) Output SSB (PEP)/CW 400 W max., 350 W typ., 300 W min. RF Input 50 W DC Power Supply DC 13.8 V 60 A max.
  • Page 5 And “PROT” LED lights. When the cause of the shut down is corrected, turn the POWER switch off and on to reset the amplifier. ‡C ON AIR This lights when the HL-450B enters the transmission state. ‡D Meter This displays the output power.
  • Page 6 ‡E DC Power Terminal Connect the HL-450B to a regulated DC power supply or 12 V battery using the included DC power cord. The red cord is positive (+) and the black one is negative (-). 60 A min. (peak) capacity is required.
  • Page 7 ‡K STBY (Phono Jack) Be sure to connect this STBY to the radio for hard keying the amplifier. When this STBY terminal is grounded, the HL-450B enters the transmission state. Connect this terminal with the ACC terminal (or REMOTE terminal) of the radio.

  • Page 8: Operation

    (amplification state), and a high output power is emitted from the antenna. Then, the power meter swings according to the output level. (6) Adjust the ALC pot of the HL-450B, and suppress the maximum output to 400 W or the desired level.
  • Page 9 7. Protection and Treatment for Shutdown The HL-450B is equipped with the following six protection functions, and the LED of “PROT” lights when an abnormality is detected. (1) Over-Voltage The LED of “PROT” lights when the power supply voltage exceeds 16 V.

  • Page 10: Optional Parts

     Extension Cable HRC-6L (13 feet) (13 feet, with 8 pin DIN plug and DIN jack) TOKYO HY-POWER LABS., INC. TOKYO HY-POWER LABS., INC. - (USA Office) 1-1 Hatanaka 3-chome, Niiza, 6046 FM 2920 Rd Saitama 352-0012 JAPAN Suite 133...