{"product_id":"matched-pair-general-electric-ge-12sn7-00539","title":"Matched Pair General Electric GE 12SN7 12SN7GTA Vacuum Tubes NOS NIB","description":"\u003cp\u003eThis new old stock, new in box matched pair of GE-MANUFACTURED 12SN7GTA dual triodes was tested on our Paul Hart-calibrated TV7\/U for shorts, gas and transconductance. There were no shorts or gas. \u003c\/p\u003e\n\u003cp\u003eTransconductance measured 82\/87 for Tube One and 84\/87 for Tube Two (Zenith-LABELED, GE-MANUFACTUREDwhere minimum (65%) is 50\/50.\u003c\/p\u003e\n\u003cp\u003eThey have gray, ladder plates; crenelated, round top mica spacers with an excised square and circle each, O getters; copper support rods; tall bases and 61-13 188-5 and XX 188-5 date \/ provenance codes, respectively.\u003c\/p\u003e\n\u003cp\u003eI have played them in my Alan Eaton single-ended 45 amplifier and they sound outstanding. They are nice and quiet when the SACD is paused and have excellent frequency response, sound-staging, and a bright and forward sound with great bass articulation as well.\u003c\/p\u003e","brand":"Lowtechelec","offers":[{"title":"Default Title","offer_id":62848982810783,"sku":null,"price":46.38,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/5344\/9631\/files\/il_fullxfull.6227378658_rh81_88d365a1-9923-48dd-9f0a-594ea1f43a7f.jpg?v=1786528524","url":"https:\/\/lowtechelec.com\/en-au\/products\/matched-pair-general-electric-ge-12sn7-00539","provider":"Lowtechelec","version":"1.0","type":"link"}