History of the manufacturer
Ultramar Mfg. Corp. (Troubador); Chicago (IL)
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Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Ultramar Mfg. Corp. (Troubador); Chicago (IL) (USA) |
| Brand: |
 |
| Abbreviation: | ultramar |
| Products: | Model types |
| Summary: |
Ultramar Mfg. Corp. |
| History: |
. |
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 37 | 306 | 6A8G | Ballast tube K49D. Domestic model, same model for European markets see 316. |
| USA | 37 | 307 | 6K7G | |
| USA | 37 | 309 | 6K7G | Ballast tube 309-115; tuning eye. |
| USA | 37 | 316 | 6A8G | Ballast tube K49D. Model for European markets, domestic model see 306. |
| USA | 37 | 317 | 6K7G | |
| USA | 37 | 319 | 6K7G | Ballast tube 309-115; tuning eye. |
| USA | 37 | 327 | 1A4 | Push-pull af output stage; tuning eye; synchr. vibrator for +B; home radio. Domesti... |
| USA | 37 | 337 | 1A4 | Push-pull af output stage; tuning eye; synchr. vibrator for +B; home radio. Model f... |
| USA | 39 | 345 | 6D8G | Push-pull af output stage; tuning eye; synchr. vibrator for +B; home radio. |
| USA | 39 | 355 | 6D8G | Push-pull af output stage; tuning eye; synchr. vibrator for +B; home radio. |
| USA | 39 | 366 | 6A8G | Tuning eye. |
| USA | 39 | 376 | 6A8G | Tuning eye. |
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
This is a 1935 print ad from the magazine "Die Dame." It suggests that the Ultramar company of Chicago may have originated in Germany. Picture is from ebay item #272659936382 offered by seller 'Rayass' (Bulgaria).
This is a print ad from a 1937 publication. It suggests that the Ultramar company of Chicago may have originated in Germany. The image was scanned from ebay item #311818341251 offered by seller 'allesauspaper' (Germany).
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