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Country |
Year |
Name |
1st Tube |
Notes |
USA |
34 |
AK |
unknown_Tube |
Mains supply and audio output stage for a battery radio. The drawing shows a 210, but the ... |
USA |
25 |
Batteryless |
|
Two dials (primary tuning control knobs) |
USA |
22 |
Home-O-Fone No. 2 Receiver |
|
|
USA |
26 |
MACM3 |
|
Two dials (primary tuning control knobs) |
USA |
26 |
MDCM3 |
|
Two dials (primary tuning control knobs) |
USA |
26 |
C PF6 |
|
Two dials (primary tuning control knobs) |
USA |
31 |
PMA-2 |
UX112A |
This model works as a microphone pre-amplifier. |
USA |
31 |
PX-245 |
UX226 |
|
USA |
31 |
PXP-245 |
UX226 |
Push-Pull af output stage. |
USA |
31 |
PYP-245 |
UY227 |
Push-Pull af output stage. |
USA |
31 |
PYP-250 |
UY227 |
Push-Pull af output stage. |
USA |
34 |
R-20 |
unknown_Tube |
Mains supply and audio output stage for a battery radio. The drawing shows a 210, but the ... |