{"product_id":"tube-amp-doctor-preamp-vacuum-tube-redbase-12ax7-ecc83-premium-selected","title":"Tube Amp Doctor Preamp Vacuum Tube Redbase 12AX7 \/ ECC83 (Premium Selected)","description":"\u003ch2 class=\"col-xs-12 title\"\u003eVacuum Tube - 12AX7 \/ ECC83, Redbase, Tube Amp Doctor, Premium Selected\u003c\/h2\u003e\n\u003cp\u003eThe all-new designed TAD 12AX7 \/ ECC83 Redbase is a miniature, high-mu twin triode with very good gain. These tubes are selected and recommended for guitar amps to improve overall responsiveness and dynamics. Because of its cathode-to-heater voltage-withstand capability, this tube works perfectly as a cathode follower.\u003c\/p\u003e\n\u003cp\u003eBest for thick, clean tones as well as for those modern preamps where a deep low end is required as well as for sounds requiring fat midrange, detailed airy top end and lots of power from the preamp.\u003c\/p\u003e\n\u003cp\u003eRecommended for all positions in medium gain amps or for V2+ positions in high-gain amps. For V1 in general but especially for high-gain amps or phono\/audio-amps, we recommend the new 7025 \/ E83CC Redbase Highgrade\u003cspan\u003e T-7025-RB-TAD.\u003c\/span\u003e The TAD 12AX7 \/ ECC83 Redbase can replace any 7025, 12AX7WA, 12AX7WB, 12AX7LPS, 12AX7EH, ECC83 or E83CC.\u003c\/p\u003e\n\u003cp\u003eQ: When does a preamp tube become a Premium Selected tube?\u003c\/p\u003e\n\u003cp\u003eA: All preamp tubes labeled Premium Selected have passed the following tests:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Noise Test\u003c\/li\u003e\n\u003cli\u003eMicrophonic Test\u003c\/li\u003e\n\u003cli\u003eGain Test\u003c\/li\u003e\n\u003cli\u003eSonic Tests\u003c\/li\u003e\n\u003cli\u003eShock Tests\u003c\/li\u003e\n\u003cli\u003eListening Tests\u003c\/li\u003e\n\u003cli\u003eBalanced Output Test\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tube Amp Doctor","offers":[{"title":"Default Title","offer_id":45164523520309,"sku":"TAD12AX7ECC83","price":2490.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0515\/2417\/4004\/files\/TAD12AX7ECC83-0W.jpg?v=1763357663","url":"https:\/\/gpgallerymakati.myshopify.com\/products\/tube-amp-doctor-preamp-vacuum-tube-redbase-12ax7-ecc83-premium-selected","provider":"GP Gallery Makati","version":"1.0","type":"link"}