description Heathkit SB-401 Overview
The Heathkit SB-401 is a vacuum-tube amateur-radio transmitter designed for single-sideband and continuous-wave operation on the high-frequency amateur bands from 3.5 to 30 MHz. Heathkit sold it as a kit, and its circuit was designed to work with the SB-300 or SB-301 receivers for transceive operation, while it could also be used with other receivers through an accessory crystal kit. It is intended for radio amateurs interested in restoring or operating vintage HF equipment.
help Heathkit SB-401 FAQ
What is the Heathkit SB-401?
The SB-401 is a Heathkit vacuum-tube amateur-radio transmitter for single-sideband and continuous-wave operation. It covers the high-frequency amateur bands from 3.5 to 30 MHz.
What receiver pairs with the Heathkit SB-401?
Heathkit designed the SB-401 to work with the SB-300 or SB-301 receivers. The SB-301 is the especially well-known matching receiver for a complete Heathkit SSB station.
Was the SB-401 a transceiver?
No. The SB-401 is a transmitter, so a separate receiver such as the SB-301 is needed for full two-way operation.
What did the SB-401 kit require from the owner?
The owner had to assemble and wire the transmitter, then test and align its circuits before putting it on the air. Because it uses vacuum tubes and high-voltage power supplies, restoration requires appropriate electrical safety practices.
explore Explore More
Similar to Heathkit SB-401
See all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
