Hallicrafters SX-28 Knobs

This page will document all of the knobs.

An early SX-28. As far as I know, all of the knobs are correct. The tuning lock is missing.

Tuning - Early

Two per radio. Note spokes instead of a solid knob.

Tuning - Late (SX-28A)

Two per radio. Note spokes are filled in.

AVC

Bandswitch

Crystal Phasing and BFO

Selectivity

This one comes with a spider web.

Tone, RF Gain, AF Gain, and ANL

Four per radio.

Antenna Trim

Two per radio.

Tuning Lock

Page: /Knobs/Knobs.shtml

Last modified: Monday, 1 Jun 2026