{"product_id":"jj-electronics-12ax7-ecc83-vacuum-preamp-tube-t-12ax7-jj","title":"JJ Electronics 12AX7\/ECC83S Vacuum Preamp Tube T-12AX7-S-JJ","description":"\u003cp\u003eThe JJ Electronic 12AX7 \/ ECC83 has quickly become a modern classic in preamp tubes. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price.\u003cbr\u003e\u003cbr\u003eThe balanced tone of the JJ 12AX7 works well in any amp. This versatile tube sounds excellent in clean amps offering an amazing dynamic response while also proving itself in high gain amps with its low noise and noticeably less microphonic issues than other tubes. The warm highs and transparent lows make it a great choice for any position in a tube amp. The JJ 12AX7 is the go-to tube of many amp builders and touring musicians.\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-mce-fragment=\"1\"\u003eProduct Measurements by Type\u003cbr data-mce-fragment=\"1\"\u003eBody Height 49.2 mm\u003cbr data-mce-fragment=\"1\"\u003eCathode Current (Ik) ≤ 8 mA\u003cbr data-mce-fragment=\"1\"\u003eFilament Current (If) 300 \/ 150 mA\u003cbr data-mce-fragment=\"1\"\u003eFilament Voltage (Uf) 6.3 \/ 12.6 V\u003cbr data-mce-fragment=\"1\"\u003eGain (μ) 100\u003cbr data-mce-fragment=\"1\"\u003eGrid Circuit Resistance (Rg) 2.2 MΩ\u003cbr data-mce-fragment=\"1\"\u003eGrid Voltage (Ug) ≥ -50 V, -2 V typical\u003cbr data-mce-fragment=\"1\"\u003eHeater to cathode resistance (Rk\/f) 150 kΩ\u003cbr data-mce-fragment=\"1\"\u003eHeater to cathode voltage (Uk\/f) ≤ 180 V\u003cbr data-mce-fragment=\"1\"\u003eInternal Resistance (Ri) 62.5 kΩ\u003cbr data-mce-fragment=\"1\"\u003eItem Diameter 22 mm\u003cbr data-mce-fragment=\"1\"\u003eItem Height 56.3 mm\u003cbr data-mce-fragment=\"1\"\u003ePlate Current (Ia) 1.2 mA\u003cbr data-mce-fragment=\"1\"\u003ePlate Dissipation (Wa) ≤ 1 W\u003cbr data-mce-fragment=\"1\"\u003ePlate Voltage (Ua) ≤ 300 V, 250 V typical\u003cbr data-mce-fragment=\"1\"\u003eTransconductance (S) 1.6 mA\/V\u003cbr\u003e\u003c\/p\u003e                                                                   ","brand":"JJ Electronics","offers":[{"title":"Default Title","offer_id":41341287989429,"sku":"16JJE007","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/2433\/products\/t-12ax7-s-jj_0.png?v=1636599304","url":"https:\/\/www.truetonemusic.mom\/products\/jj-electronics-12ax7-ecc83-vacuum-preamp-tube-t-12ax7-jj","provider":"Truetone Music","version":"1.0","type":"link"}