{"product_id":"best-pair-2-7247-12dw7-mullard-uk-nos-rebranded-rca-1972-1-5-11-5ma-and-1-7-11-4ma-1-3-matched","title":"(!!!!) (Best Pair #2) 7247=12DW7 Mullard UK NOS rebranded RCA 1972 (1.5\/11.5ma and 1.7\/11.4ma) 1-3% matched","description":"\u003cp\u003e1 low noise pair) 7247 Mullard UK rebranded RCA NOS 1972  \u003c\/p\u003e\n\u003cp\u003e1 tube) 1.5ma Gm=1900 and 11.5ma Gm=2300\u003c\/p\u003e\n\u003cp\u003e1 tube) 1.7ma Gm=2100 and 11.4ma Gm=2300\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTested on Amplitrex\u003c\/p\u003e\n\u003cp\u003e12AX7 Section Good = 0.9-1.2ma Gm=1500-1600+\u003c\/p\u003e\n\u003cp\u003e12AU7 Section Good = 8-10ma Gm=1800-2200+\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRecommended for:\u003c\/p\u003e\n\u003cp\u003e- Fisher 400 CX-2\u003c\/p\u003e\n\u003cp\u003e- Eico 2510 amp\u003c\/p\u003e\n\u003cp\u003e- Eico ST-70 preamp 1961\u003c\/p\u003e\n\u003cp\u003e- Ampeg SVT 1974, VT40\u003c\/p\u003e\n\u003cp\u003e- Quicksilver silver sixty mono amps\u003c\/p\u003e\n\u003cp\u003e- SWART amp (vibroto\/tremolo)\u003c\/p\u003e\n\u003cp\u003e- SWART Atom (2012)\u003c\/p\u003e\n\u003cp\u003e- Eico 2036 amp\u003c\/p\u003e\n\u003cp\u003e- Li'l Dawg Amps\u003c\/p\u003e","brand":"Tube World","offers":[{"title":"Default Title","offer_id":49219083862268,"sku":"7247mullpair1972","price":149.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/tubeworldexpress.com\/products\/best-pair-2-7247-12dw7-mullard-uk-nos-rebranded-rca-1972-1-5-11-5ma-and-1-7-11-4ma-1-3-matched","provider":"Tube World Express","version":"1.0","type":"link"}