4 hours ago
Transistors are easy.
No converters. If you have input voltage, then just put some signal through.
Or touch your finger to the Base of any audio-amp transistor and see if it hums.
You might also check the speaker first to make sure it works. Desolder one wire and touch a 1.5V battery to the lugs, see if it makes that scratchy sound.
If you put the manual link or PDF file here, we could be more specific.
No converters. If you have input voltage, then just put some signal through.
Or touch your finger to the Base of any audio-amp transistor and see if it hums.
You might also check the speaker first to make sure it works. Desolder one wire and touch a 1.5V battery to the lugs, see if it makes that scratchy sound.
If you put the manual link or PDF file here, we could be more specific.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
