{"product_id":"lee-custom-amplifier-vacuum-tube-buffer-12au7bb","title":"LEE CUSTOM AMPLIFIER Vacuum tube buffer 12AU7BB","description":"\nPreloved Rank B\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty period\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003e6-month warranty\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated Shipping\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eWithin one week\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRegistration Date\u003c\/th\u003e\n\u003ctd\u003e\u003cp\u003eOctober 12, 2026\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFeatures \u0026amp; Notes\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eThe world's smallest vacuum tube buffer using the distortion-resistant preamplifier 12AU7 (ECC82), which is used in Marshall 1-watt amplifier power tubes and audio amplifiers.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFeatures \u0026amp; Notes\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eOperation can be made easily with center negative DC9V\/300mA (such as with Boss AC adapters), making it easy to use.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFeatures \u0026amp; Notes\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eThe knob is a switch: 0 turns the switch OFF and buffer mode, and when slightly opened, the switch clicks on, functioning as a booster within a range of -∞ to +20dB. The recommended usage method is to connect it to the transistor amplifier or the multi-effector OUT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessories\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eOnly the listed items\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"product-detail-tab-panel__note\"\u003eWEB No.2012830000032035\u003c\/p\u003e\n\u003cp class=\"product-detail-tab-panel__note\"\u003e[ Marking based on the Secondhand Articles Dealership Act: Hokkaido Public Safety Commission No. 101020001003 ]\u003c\/p\u003e\n","brand":"LEE CUSTOM AMPLIFIER","offers":[{"title":"Default Title","offer_id":67667605881108,"sku":null,"price":29000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/0064\/9236\/files\/IMG_1791778486747.jpg?v=1791826486","url":"https:\/\/banzaihobby.com\/products\/lee-custom-amplifier-vacuum-tube-buffer-12au7bb","provider":"BanzaiHobby","version":"1.0","type":"link"}