Minimum power requirement for FV-1 pedals

funketek

New member
Sorry if this is common knowledge, but I am new to the world of DIY pedals. I have a pedal power supply board that has a mix of (9V) 100mA, 300mA and 500mA plugs.

I have been testing a couple FV-1 pedals that I built using the 300mA plugs with no issues, but I am now wondering if I can get away with powering the Pythagoras and/or the Arachnid FV-1 boards with 100 mA? I am hesitant to just plug them into the lower power sources and see if they work as I am afraid of under-powering the unit.

Can anyone confirm the minimum/maximum power consumption on these FV-1 pedals?
 
100mA should be fine. Here are a few thoughts:

-if you have a multimeter that can measure current, you could measure how much it’s pulling (make sure you read up on how to hook up your meter for current, so you don’t blow the fuse on your meter).

-the fv-1 datasheet says it nominally pulls 55mA (up to 70mA max). The rest of the circuit shouldn’t pull enough to take it over 100mA

-I checked the tech specs for a few EQD pedals that use the fv-1. Their listed current draw is 68mA. I don’t think there’s anything about the pedalpcb circuits that would make them draw more than those EQDs.
 
Thanks for the quick reply and the info! I have only used my multimeter for voltage measurement and continuity, but I do see a mA measurement setting - will look into that for future use.
 
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