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Black rectangular power adapter unit with ventilation slots and connector ports

Vszerda

Vszerda BJ-300PLUS power adapter

SKU CH-XW45-YQM06

Power adapter for the BJ-300 HF amplifier covering 3-30 MHz with 100 W AM, 150 W AM and 300 W SSB output

  • Powers CB amplifiers across 3-30 MHz HF band
  • Delivers 100 W AM and 150 W AM output
  • Supports 300 W SSB for walkie-talkie use
  • Brand-new condition ready for immediate installation

Power adapter for BJ-300 HF amplifier

This Vszerda BJ-300PLUS power adapter is built for the CB Power Amplifier BJ-300. It supplies the DC input that the 3-30 MHz HF amplifier requires. Radio operators running 100 W AM, 150 W AM or 300 W SSB output will use this adapter to power the unit from a suitable source. It is not for builders who need a supply with different voltage or current ratings.

Replacement or spare unit for the original supply

The adapter replaces the factory supply that shipped with the BJ-300 amplifier. Having a spare on hand lets you restore operation quickly if the original unit fails. No additional cables, connectors or configuration software are bundled with this item.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $145.99
Pricier than about 90% of the 3,829 comparable items (median $22.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What cooling maintenance does the BJ-300PLUS adapter need over time?

The unit runs a forced-air fan; plan to vacuum dust from the intake vents every few months so airflow stays unrestricted.

Which thermal limit appears first during a long SSB transmission at 300 W?

Continuous 300 W SSB output pushes the heatsink to its thermal ceiling before the 30-minute duty-cycle timer would intervene.

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