Joyo Vintage Phase Gutshots

A forum devoted to mod, tips and suggestions for upgrading and rehousing your VERY CHEAP commercial stompbox to near boutique excellence.
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CheapPedalCollector
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Post by CheapPedalCollector »

Some Vintage Phase gutshots. Good modding platform I think, I'm going to add a depth and mix control and maybe a switch for feedback or feedback control, and maybe a manual/offset control. I'm going to get a 2nd one to mod first. Will post mods later.
JoyoVintagePhase1.jpg
JoyoVintagePhase2.jpg
JoyoVintagePhase3.jpg
JoyoVintagePhase4.jpg
JoyoVintagePhase5.jpg

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POTL
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Post by POTL »

what transistors are used here?

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CheapPedalCollector
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Post by CheapPedalCollector »

Q1-Q4 are Fairchild BF256B
Q5 is Fairchild 2N4125
Op Amps are Ti 4558P

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Post by POTL »

Thanks

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