08-26-2025, 08:23 PM
More info:
There are You Tube videos about this set. It is listed also on Radiomuseum. A picture of the back panel is listed here:
Here is a copy of the Service Manual ( en Deutch, naturlich):
Schematic on last page. Symbology in German schematics (or Europe in general) is different than American but not too hard to figure out. Single line such as "|" or "_" indicate ground or chassis common. Resistors are rectangular boxes. Caps and diodes are as we expect. Tubes are somewhat similar. Do replace the electrolytics and all other caps, especially coupling and bypass caps. Consider replacing the rectifier bridge, as it may be selenium and likely prone to failure (at least American ones were).
According to Radiomuseum, this set puts out a whopping 15 Watts! And that is likely an honest value, judging on the size of the power and output transformers, not like the party speakers that advertise a maximum peak power of 1000 watts (possibly into a dead short for 1 microsecond before the output transistors vaporize).
There are You Tube videos about this set. It is listed also on Radiomuseum. A picture of the back panel is listed here:
Here is a copy of the Service Manual ( en Deutch, naturlich):
Schematic on last page. Symbology in German schematics (or Europe in general) is different than American but not too hard to figure out. Single line such as "|" or "_" indicate ground or chassis common. Resistors are rectangular boxes. Caps and diodes are as we expect. Tubes are somewhat similar. Do replace the electrolytics and all other caps, especially coupling and bypass caps. Consider replacing the rectifier bridge, as it may be selenium and likely prone to failure (at least American ones were).
According to Radiomuseum, this set puts out a whopping 15 Watts! And that is likely an honest value, judging on the size of the power and output transformers, not like the party speakers that advertise a maximum peak power of 1000 watts (possibly into a dead short for 1 microsecond before the output transistors vaporize).
"Do Justly, love Mercy and walk humbly with your God"- Micah 6:8
"Let us begin to do good"- St. Francis
Best Regards,
MrFixr55
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