The Tokyo Hy-Power HL-450B user manual provides setup, operation, safety precautions, specifications, and troubleshooting for the 400 W HF linear amplifier.
This manual describes the features and safe use of the Tokyo Hy-Power HL-450B solid‑state HF band linear amplifier. It includes a built‑in auto band‑select function, optional remote controller compatibility, protection circuits, and a large analog power meter.
The guide covers installation steps, panel descriptions, connection diagrams, operation procedures, protection shutdown handling, and optional accessories such as the HRC‑60 remote controller. Safety precautions, antenna requirements, and power‑supply specifications are also detailed.
| Frequency Range | 3.5‑28 MHz (all HF amateur bands) |
|---|---|
| Output Power (SSB PEP) | 400 W max, 350 W typ., 300 W min. |
| Maximum RF Input | 50 W |
| DC Power Supply | 13.8 V, 60 A max. |
| Final Transistor | THP‑120×4 |
| Cooling System | Forced‑air cooling |
| Dimensions | 220 mm × 90 mm × 330 mm |
| Weight | ≈5 kg |
The maximum drive power is limited to 50 W.
Turn the POWER switch off and on to reset the amplifier.
The optional external remote controller HRC‑60 can be connected.