{"product_id":"spiral-electric-fx-white-spiral-boost","title":"Spiral Electric FX White Spiral Boost","description":"\u003ch1 class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eWhite Light \/ White Heat\u003c\/span\u003e\u003c\/h1\u003e\u003cp class=\"p1\"\u003eThe White Spiral Boost is a dirty boost and the result of my exploration of various JFET circuits initially inspired by Jimmy Page’s use of the Barcus Berry Preamp.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eWhile Page is only known to have used it on acoustic, I found that the BB 1330-1, and the simpler BB 1330S, work great with electric guitars that have low-output pickups and as a general boost circuit.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eThe White Spiral circuit has evolved over time to become a hybrid circuit with bits of the BB 1330S, National Semiconductor Mu-Amp, and the Yellow Spiral.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eThe White Spiral uses a dual JFET for amplification, the Grit is a combination of JFET and Silicon clipping, the Girth control comes from the Yellow Spiral but with a twist, the White also has 18v internal operation to provide increased headroom.\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe location of the Girth Control in the circuit is user-definable by the Alpha\/Omega two-way toggle.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eIn the Alpha (A - Left) position the Girth control is placed before the low-gain Grit clipping section of the White Spiral.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eThis position allows more, or less, bass to be sent to the Grit, and changes the character and compression of the Grit.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eThe Omega (Ω - Right) position places the Girth Control after the Grit Control and this position changes how much bass content is passed through the circuit.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"Apple-converted-space\"\u003e\u003cspan\u003eThis position is still dirty but it is more open, glassy, and Hi-Fi sounding than the Alpha setting.\u003c\/span\u003e \u003c\/span\u003e\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eBassists will LOVE the Omega selection!\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe Grit Control does double duty, it both changes the performance of the JFET’s to create distortion, and also brings in Silicon clipping.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eThese two types of clipping together are slightly asymmetrical and the result is a natural-sounding low-gain grit\/grind that mates well with already dirty amp channels.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e \u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Dual JFET Boost circuit\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Girth capacitor network\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Grit tailored to complement\/supplement amp gain\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• +18v High-Headroom Internal Operation\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Warm White LED\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Hand-Brushed Natural Aluminum Top\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Laser-Glazed Graphics\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• True Bypass\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Designed, Hand-Soldered, and Assembled by Tom Cram\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eAvailable September 28th for $199 USD.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p1\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/tAulX6IqcIw\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Spiral Electric FX","offers":[{"title":"Default Title","offer_id":35724244713621,"sku":"RGS-SPI-WSB","price":199.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0459\/0616\/5909\/products\/WhiteRight_copy_480x480_c77680de-ce60-4f34-ace7-ececc98a9e2a.jpg?v=1597398279","url":"https:\/\/rugandhome69-com.myshopify.com\/products\/spiral-electric-fx-white-spiral-boost","provider":"rugandhome69.com","version":"1.0","type":"link"}