First of all I didn't know these even existed!
Inspection:
This one was very badly constructed with many cold solder joints with moving wires within the joints readily visible!
Cleanup:
The electrolytics were replaced, note the much smaller physical sizes! All the main wires were replaced and joints properly soldered.
A silicon highly flexable 18 AWG power cable was constructed to connect the ELF to the supply.
Testing:
Testing was then completed using an electronic load:
- Testing done at no load and with a 2A constant current load
| Switch Settings (1/2/3) | No Load (volts/ ripple in RMS) | 2A Constant Current Load (volts/ ripple in RMS) |
|---|---|---|
| L/L/L | 8.26 V with 3mV | 6.57 V with 152mV |
| H/L/L | 9.55 V with 4mV | 7.86 V with 153mV |
| L/H/L | 10.5 V with 4mV | 8.72 V with 154mV |
| L/H/H | 12.1 V with 4.5mV | 10.45 V with 155mV |
