Model 20 Consolette Resto

[TA Forbes]

The tubes will vary in brightness even when the radio works properly.

1. Have you checked all your tubes?

2. Did you verify continuity in your transformers? Often they have a problem as described in this web site and must be re wound. Additionally many old sets are "lightning strike" victims and the antenna/rf coil will be open.

3. The output transformer that is mounted on the speaker is often bad. As is the feild coil.

4. Field is spelled field. Jeez. " i before e, except after c......."