{"product_id":"gold-lion-12at7-b739","title":"Gold Lion ECC81 \/ B739 \/ 12AT7","description":"\u003ch1\u003eGold Lion 12AT7 \/ B739\u003c\/h1\u003e\n\u003cp\u003eA fine tube made today in Russia. Gold pins. When we grade them for low noise and microphony they are really good. Very linear with a super top end and bass. But they cannot be compared to the real \u003ca href=\"\/12at7-ecc81-6201-cv4024\/mullard-cv4024-12at7\/\"\u003eMullard CV4024\u003c\/a\u003e made in Great Britain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlatinum grade -\u003c\/strong\u003e The best of the best. Lowest noise and microphony with the tightest triode balance we have available. This is typically 10% or tighter, but may be higher depending on available stock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGold grade -\u003c\/strong\u003e Low noise and microphonics with a triode balance typically between 15% and 20%, but may be higher depending on available stock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDriver\/Buffer grade -\u003c\/strong\u003e Lowest noise but not the lowest in microphony. Triode balance will be similar to Gold grade.\u003cbr\u003e\u003cem\u003eThis grade is only suitable for use in the driver stage of an amplifier, or the output\/buffer stage of a DAC or CD Player.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf you have a preamp or phonostage, you need at least Gold grade.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/grading-and-matching-small-signal-tubes\" target=\"_blank\"\u003e\u003cstrong\u003eClick here for a more in depth discussion on how we grade tubes.\u003cbr\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Gold Lion","offers":[{"title":"Platinum Grade \/ No Cryo","offer_id":21831037829,"sku":"GOLD LION 12AT7 P","price":79.95,"currency_code":"USD","in_stock":true},{"title":"Platinum Grade \/ Yes Cryo","offer_id":21831037701,"sku":"GOLD LION 12AT7 P C","price":87.95,"currency_code":"USD","in_stock":true},{"title":"Gold Grade \/ No Cryo","offer_id":41664351830200,"sku":"GOLD LION 12AT7 G","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Gold Grade \/ Yes Cryo","offer_id":41664351862968,"sku":"GOLD LION 12AT7 G C","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Kevin's Stash \/ No Cryo","offer_id":29530419986492,"sku":"GOLD LION 12AT7 KS","price":89.95,"currency_code":"USD","in_stock":false},{"title":"Kevin's Stash \/ Yes Cryo","offer_id":29530420019260,"sku":"GOLD LION 12AT7 KS C","price":97.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/6df053eed244f11f85bc39603a3c5814.jpg?v=1741632498","url":"https:\/\/upscaleaudio.pro\/products\/gold-lion-12at7-b739","provider":"Upscale Audio","version":"1.0","type":"link"}