{"product_id":"electro-harmonix-effect-pedals-big-muff-opamp","title":"Electro-Harmonix Effect Pedals - Op-Amp Big Muff Pi","description":"\u003cp\u003eThe \u003cstrong\u003eElectro-Harmonix Effect Pedals - Op-Amp Big Muff Pi\u003c\/strong\u003e is the late-70s inspired Big Muff clone whose sound was popularized by the 1993 epic recording \u003cem\u003eSiamese Dream \u003c\/em\u003efrom the Smashing Pumpkins. The main innovation in technology is relying on an op-amp rather than transistors and three gain stages rather than four. The result is the iconic thick wall-of-sound from the 90's grunge bands. True bypass switching for maximum signal integrity in bypass mode.\u003c\/p\u003e","brand":"Electro-Harmonix","offers":[{"title":"Default","offer_id":4548888264745,"sku":"OPAMPBM","price":96.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0202\/0250\/products\/op-amp-big-muff-pi.jpg?v=1513978712","url":"https:\/\/massstreetmusic.com\/products\/electro-harmonix-effect-pedals-big-muff-opamp","provider":"Mass Street Music","version":"1.0","type":"link"}