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Hello, I have a pair of FS-030 which I purchased from Mike few years back. I am planning to build a JE Labs based 2A3 amp using FS-030 OPT, unfortunately I don't have any wiring diagram. Can you please share the FS-030 wiring diagram (based on its standard colors) for building 8 and 16 ohms taps? Appreciate your help. Thank you, Sri
Edits: 09/01/17Follow Ups:
Thank a lot for sharing the wiring details.
I am thinking of having both 8 & 16 ohms tap so I can connect 8 or 16 ohms speakers. But, according to this sheet, not sure whether I can have both 8 & 16 ohms tap.
Can I do this?
Thank you,
Sri
MSL
Builder of MagneQuest & Peerless transformers since 1989
Thanks a lot for sharing the wiring details.
I am thinking of having both 8 & 16 ohms tap so I can connect 8 or 16 ohms speakers. But, according to this sheet, not sure whether I can have both 8 & 16 ohms tap.
Can I do this?
Thank you,
Sri
If you use a rotary switch, you can have 4, 8, and 16 Ohms. I have built several amps with the ES-025's (same wiring configuration as the FS-030), and with a 4P3T rotary switch, I was able to switch everything as required and I had a spare set of contacts to change the feedback resistor so it was consistent between secondary configurations.
Good idea, thank you so much. I will do the same.
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