FDIC Boost (Quick Build)

MichaelW

Well-known member
A quickie build that I started yesterday evening and finished this morning before starting work.
Drilled the box and got the board mostly stuffed after dinner last night and finished it up and just fired it up this morning.

I had a Fulltone FD3 for a while that I never really liked. Sounded to me like a very muffled and nasally tube screamer.
But what I DID like was the Boost section on that pedal, which Fulltone offers separately as the "2B Boost Pedal".

The FDIC is PedalPCB iteration of the Fulltone 2B and it's definitely a sweet boost pedal.
I've had the parts pulled and sitting in a box for a couple of weeks and glad I finally got around to putting it together.

The boost itself is nice clean boost. The "Dynamics" knob is a subtle effect and definitely more noticeable when pushing an overdrive pedal or pushing an overdriven amp. It's almost like a bit of light compression to tighten up the signal and knock down the transients. Super cool!

One of my "go to" sounds is using a Keeley Compressor at unity gain/light compression into either a UAD Unison amp model or into a drive pedal to get the "low gain but sustaining" tone at lower volumes. This FDIC Boost with Dynamics knob has a similar affect with some different tonal shades than using a compressor.

I'm using a pair of NOS G223 germanium diodes although I don't think it would make much difference what Ge's were used.
My only complaint is that a 125B is an awfully big box for this circuit. But I could not figure a way to get it into a smaller enclosure.

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My growing harem of "nondescript East Berlin looking" pedals. (as a buddy describes my DIY pedals haha)

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