1941 Crosley 02BA Radio Repair Journal
by Chad Hauris, Retro Electronics and Audio Lab, Midland, TX. 10/21/06
This Crosley is a very high-performance model...it seems to offer some of the best reception and sound quality we have seen in an old radio. Please click the photos for larger views.

Crosley 02BA radio chassis before repairs.
Here is the Crosley chassis before repairs. In the past, someone replaced some of the old brittle wiring, however, some was left in, so we replaced the rest of it. We replaced all capacitors and added a new power cord and fuse.

Replacing capacitors in the Crosley.
Replacing capacitors.

Replacing wiring in the Crosley IF cans.
Replacing old wiring in the IF transformers.

Finished Crosley chassis.
Finished chassis (better photo to come.)

Testing the Crosley chassis.
Testing the Crosley chassis on the bench. We aligned the AM and Shortwave bands.

Repairing the dial cord in the Crosley.
Repairing the dial cord.

Testing the Crosley chassis in the cabinet.
Testing the chassis in the cabinet. The built-in loop antenna seems to really give a boost to noise rejection and sensitivity.

Replacing capacitors in the tone control switch.
Replacing capacitors in the tone control switches.

Finished Crosley 02BA.
Finshed cabinet, front view.

Chad cleaning the Crosley buttons.
Chad cleaning the buttons.

Crosley 02BA dial.
Dial close-up.

Tube complement:
6SK7, RF amp.
6SA7, Convertor
6SK7, IF amp.
6SQ7, Detector and 1st audio amp.
6J5, Phase inverter
6J5 (2) Audio drivers
6AC5 (2) Audio output
5Y3, rectifier
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