|
Restoring
The Gross Radio CB-25 Transmitter (CW and Fone)
Formerly owned by Bill Orr W6SAI and John Rollins W1FPZ.
Was restored in fall 2008/winter 2009 by Bruce J. Howes W1UJR.
 The complete text
of the provenance of this transmitter is on the
W1FPZ Gross CB-25 page.
| John W1FPZ tells the story of finding this transmitter |
Gross CW-25 Schematic |
|
|
|
Photo Essay - RF Section
 |
 |
| Before |
After |
 |
|
| Before |
|
 |
|
| Before |
|
 |
 |
| Before |
After |
 |
 |
| RF wiring removed from chassis |
Air variable caps ready to reinstall |
 |
 |
| RF Deck Before Refinishing |
RF Deck After Powder Coating |
 |
 |
| Torn Down Transmitter |
Refinished Power Supply and RF Decks |
 |
|
| Sheet Metal Ready For Powder Coating |
|
Power Supply and Modulator Section
 |
 |
| Before |
After |
 |
 |
| Before |
After |
 |
|
| Before |
|
 |
|
| Before |
|
 |
|
| Tagged and Bagged During Disassembly |
|
 |
|
| Power Supply Wiring Removed From Deck |
|
 |
 |
| Before |
After Powder Coating |
|
|
|
| Complete Tear Down Of Unit |
|
|
|
|
| Sheet Metal Removed For Refinishing |
Refinished Power Supply and RF Decks |
Final Assembly and Testing
 |
 |
| Assembly of RF Deck |
Assembled Power Supply Deck Under Test |
 |
 |
| Checking Out Speech Amp and Modulator |
Making RF - See Meter Readings and Bulb Glow |
 |
 |
| Power Supply In Rack |
Close Up Of RF Deck |
 |
|
| Completed Unit |
|
|
Amateur Radio Station W1UJR
