{"product_id":"matched-pair-general-electric-ge-5814-81350","title":"Matched Pair General Electric GE 5814 5814A JG-5814A ECC82 Vacuum Tubes Valves Triple Mica Milspec \/ Industrial NOS-Testing","description":"\u003cp\u003eThis new old stock-testing matched pair of milspec \/ industrial GE JG-5814A \/ 12AU7A dual triodes was tested on our Maxi Preamp II for shorts, gas, noise, transconductance and gain. There were no shorts, noise or gas and they tested as follows:\u003c\/p\u003e\n\u003cp\u003eTube One:\u003c\/p\u003e\n\u003cp\u003eNoise: -83.4 dB \/ -85.4 dB (-92 dB is the Maxi-Matcher's noise floor)\u003cbr\u003e\nTransconductance: 1284 \/ 1432\u003cbr\u003e\nGain (Mu (µ): 17 \/ 17.3\u003c\/p\u003e\n\u003cp\u003eTube Two:\u003c\/p\u003e\n\u003cp\u003eNoise: -85.4 dB \/ -85.6 dB\u003cbr\u003e\nConductance: 1475 \/ 1690\u003cbr\u003e\nGain (Mu (µ): 17 \/ 17.3\u003c\/p\u003e\n\u003cp\u003eThese tubes have gray plates; copper support rods; triple crenelated mica spacers and two additional vertical support rods for enhanced ruggedness and no microphonics; slanted-D getters; acid-etched lettering with a circle just below \"5814A,\" and excellent flashing. \u003c\/p\u003e\n\u003cp\u003eI have played them in my Alan Eaton single-ended 45 amplifier with adapters (not included) and they sounded outstanding. They were dead quiet when the preamp was muted and had excellent frequency response, sound-staging, and dynamics.\u003c\/p\u003e","brand":"Lowtechelec","offers":[{"title":"Default Title","offer_id":62853733023903,"sku":null,"price":46.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/5344\/9631\/files\/il_fullxfull.6301443209_1bzt_a1ea6995-cc27-407f-a5f8-b9c3a407b961.jpg?v=1787574947","url":"https:\/\/lowtechelec.com\/en-au\/products\/matched-pair-general-electric-ge-5814-81350","provider":"Lowtechelec","version":"1.0","type":"link"}