RonSound – The place for effects repair and vintage effect repros!! Recommended by EHX for vintage EH repairs.
THE BIG MUFF π PAGE – Kitrae’s ultra-comprehensive Big Muff pages. Covers every model and every variation, from vintage US models, to Sovtek, to US Reissue and all related EH pedals.
Electric Mistress History – More info than you ever thought you needed about the Electric Mistress flanger and it’s many variations.
Lost Art Vintage – My friend, Al Pepiak’s website. Bought a lot of EH stuff from Al over the years and, EH-related or not, he’s always got something way cool or unusual.